Split (2)

train · 226k rows

question stringlengths 3 301	answer stringlengths 9 26.1k	context list
backwards time travel with wormholes and exotic matter.	It involves moving one end of the wormhole at near light speed. This creates a time displacement between the two ends. One end will be older than the other. You travel forward on time in one direction and backward through time in the other, but you can only go as far back as the creation point of the wormhole.	[ "If traversable wormholes exist, they could allow time travel. A proposed time-travel machine using a traversable wormhole would hypothetically work in the following way: One end of the wormhole is accelerated to some significant fraction of the speed of light, perhaps with some advanced propulsion system, and then...
how does marijuana help against anxiety?	Going to try my best here to sum it up, however, there are many factors to be considered (strain, delivery method, temperature of preparation, CBD vs THC content... to name a few) There are two main strains of the plant, sativa and indica, each having it's own inherent effects. Sativa heavy strains produce a cerebra...	[ "Numerous studies have been conducted regarding anxiety and cannabis for therapeutic purposes, and these cross-sectional studies have been mostly consistent regarding the anxiolytic effects. The studies showed relief of anxiety as a result of cannabis consumption.\n", "People sometimes use cannabis to cope with t...
why is it so hard to correctly plug in usb devices the first time?	We pay more attention when we get it wrong on the first try. It's a straight 50/50 shot, but it's way more annoying when we get it wrong on the first try. At the end of a given time period you might have had 10 "successes" and 10 "failures" but you'd only notice the failures.	[ "Depending on vendor and design, USB ports are often closely spaced. Consequently, plugging a device into one port may physically block an adjacent port, particularly when the plug is not part of a cable but is integral to a device such as a USB flash drive. A horizontal array of horizontal sockets may be easy to f...
Style of handwritings changes over times, like medieval times,17th century, 19th century, our grandparents. As handwritings reflects personality, does it mean that those people were so much different from us? Were they conditionned to have the same writing style?	*English is not my language, i hope my question is clear	[ "Many writing styles have developed over the centuries with the broad nib, including the medieval Uncial, Blackletter and Carolingian minuscule scripts (and their variants), the Italic Hand of the Renaissance, and more recently Edward Johnston's Foundational Hand, developed in the early 20th century.\n", "Medieva...
To what degree did the British follow through with their intentions outlined in the Balfour Declaration?	Let's start off with the text of the declaration itself. It is not a lengthy statement: > His Majesty's government view with favour the establishment in Palestine of a national home for the Jewish people, and will use their best endeavours to facilitate the achievement of this object, it being clearly understood tha...	[ "In 1917, Britain drafted the Balfour Declaration, becoming the first Great Power to support Zionist calls for a 'Jewish National Home' in Palestine. Shortly thereafter, Britain defeated the Ottoman Empire in World War I and as a result took control of Palestine. The Balfour Declaration was recognized by the Great ...
Maybe I'm an idiot, but I can not understand why quantum theory is a thing.	Are you familiar with [the double slit experiment](_URL_1_)? That's a good place to start: < _URL_2_; The challenge posed by this experiment is that individual particles appear on the screen as just that--individual particles--but they appear to go through the slits as a wave due to the fact that even sending partic...	[ "I am convinced that quantum mechanics is not a final theory. I believe this because I have never encountered an interpretation of the present formulation of quantum mechanics that makes sense to me. I have studied most of them in depth and thought hard about them, and in the end I still can't make real sense of qu...
brit redditors can you explain how villages and planning commissions work in the u.k.? how restricted is new construction etc?	In order to build a new house, or even significantly alter an existing one, you need ask the relevant local council for planning permission. You file detailed plans of what you want to build, and they're considered by the council according to their "development plan" in place giving general guidelines. The plans are al...	[ "Hudson's village model is a geographical model of United Kingdom villages which shows the development of rural settlement patterns in villages over time. It was developed around the Lincoln, Lincolnshire area by Hudson. R (1977) an English born geographer specialising in Urban geography, who currently lectures at ...
Could someone, preferably a physicist, fact-check/sanity-check some claims posted in /r/physics comments?	Let's see...hydrogen has 1.00727638 amu per nucleon. Nickel 58 has 0.998885 amu per nucleon. Total mass of reactants is 58.9426193 amu. Copper 59 has a mass of 58.9394980 amu. That means that fusing hydrogen to nickel is indeed slightly exothermic. Zephir is a well known crank and should be ignored.	[ "2. \"It teaches that the ultimate test of certainty is...in the individual consciousness\" – when, instead, in science a theory stays on probation till agreement is reached, then it has no actual doubters left. No lone individual can reasonably hope to fulfill philosophy's multi-generational dream. When \"candid a...
Why didn't Americans rename places that had been named after British things after the Revolution?	By the time the war ended, people had been living in Georgia, the Carolinas, in New York, etc. for many generations and been identifying themselves as citizens of those places. Names are durable and important and the pride those people took in living there probably outweighed any anti-English sentiment. There are als...	[ "Place names in the United States are often taken from the European nation that first colonized the land. Many names that have been transferred from Britain, as is the case with Barnstable, Massachusetts and Danbury, Connecticut. Many others are of French origin, such as Detroit, Michigan, which was established alo...
why do computer games tend to crash if you tab out during a loading screen?	You'll find that more common in games that are played "full screen" and not in any form of window. Full screen games are sending instructions to the video card (yes, I know, it's abstracted, this is ELI5), and expecting to have the video card take care of business and report back. If you alt-tab out during a loading ...	[ "Crash to desktop bugs are considered particularly problematic for users. Since they frequently display no error message, it can be very difficult to track down the source of the problem, especially if the times they occur and the actions taking place right before the crash do not appear to have any pattern or comm...
How did belief in fairies persist in Northern Europe even after Christianisation (even into the modern day) and how did the two beliefs syncretise?	There was an uneasy co-existence, and the two belief systems were never clearly reconciled. Accounting for the various supernatural beings in the pre-conversion belief system was an on-going problem. The fascinating example of Michael Cleary and his poor wife represented a legal if not colonial problem as the British "...	[ "The folklores of Britain and Ireland contain a wealth of fairy lore, including the idea from which fairy rings take their name: the phenomena result from the dancing of fairies. In 19th-century Wales, where the rings are known as \"cylch y Tylwyth Teg\", fairies were almost invariably described as dancing in a gro...
Why so little info on Illyrians?	While I can't speak to the Illyrians specifically, I can say that the Romans and Greeks were either not terribly good about recording information about their "barbarian" neighbors or said information simply failed to survive the two thousand years between us and them. When Romans or Greeks wrote about history, they...	[ "Illyrian was part of the Indo-European language family. Its relation to other Indo-European languages—ancient and modern—is poorly understood due to the paucity of data and is still being examined. Today, the main source of authoritative information about the Illyrian language consists of a handful of Illyrian wor...
What specifically stops a terrestrial plant from getting it's water supply from salt water?	(1) Why do plants die from exposure to high concentrations of salt? Salt stress is the name of this phenomenon. High concentrations of salt within the plant will disrupt the osmotic gradient, which causes water to leave the plant cells due to osmosis. As a result, plants will try to compensate for the water loss by ...	[ "The contaminated water is either collected from a waste site and brought to the plants, or the plants are planted in the contaminated area, where the roots then take up the water and the contaminants dissolved in it. Many plant species naturally uptake heavy metals and excess nutrients for a variety of reasons: se...
why is processed food "bad" for you?	When food is "processed" it generally means that it is altered in someway in between its source and when you consume it. Many foods we eat today are "processed". Juice is processed by taking fruits and removing the fiber (solid bits). The fiber in fruit is like a natural constraint. eg. it would be tough to eat 10 ap...	[ "Contamination and spoilage problems in primary food processing can lead to significant public health threats, as the resulting foods are used so widely. However, many forms of processing contribute to improved food safety and longer shelf life before the food spoils. Commercial food processing uses control systems...
how does a stirling engine works?	Hot stuff wants to take up more space than cold stuff. If you put something that changes volume a lot based on temperature, like a gas, and put it into a container and don't give it anywhere to go and then heat it up, it will push on that container to try to take up more space. If you make that container able to expand...	[ "A Stirling engine is a heat engine that operates by cyclic compression and expansion of air or other gas (the \"working fluid\") at different temperatures, such that there is a net conversion of heat energy to mechanical work. More specifically, the Stirling engine is a closed-cycle regenerative heat engine with a...
A post on /r/TodayILearned claims "The Templars (Knights Templar) really did fight The Assassins (Nizari Ismallis) during the crusades." However, I've also heard they were allies at times due to sharing a common enemy. Are one of these, none of these, or both true?	Almost the exact reverse is actually true, in that the relationship is famed for sabotaging an alliance instead of forging one. Some background for you: In 1173 an unforeseen diplomatic opportunity presented itself to the Kingdom of Jerusalem; namely that of an alliance with the mercurial Assassins. A fanatica...	[ "The Templars were closely tied to the Crusades; when the Holy Land was lost, support for the order faded. Rumours about the Templars' secret initiation ceremony created distrust, and King Philip IV of France – deeply in debt to the order – took advantage of this distrust to destroy them and erase his debt. In 1307...
How did Nero (the Roman Emperor) get away with marrying his castrated "boy-toy"?	I'd challenge that it was socially acceptable. Consider Suetonius on the subject, who places Nero's marriage to Sporus among his crimes between his raping a vestal virgin and a widespread belief that he desired incest with his own mother! If the marriage to Sporus did indeed happen - and on the subject of overthrown ...	[ "Some Romans kept beautiful male slaves as \"deliciae\" or \"delicati\" (\"toys, delights\") who were sometimes castrated in an effort to preserve the androgynous looks of their youth. The emperor Nero had his freedman Sporus castrated, and married him in a public ceremony.\n", "The emperor's stepmother had wante...
how do cast of "jackass" survive all their stunts without a scratch?	They didn't survive without a scratch. I can remember at least one episode where Bam ended up breaking something. They even filmed it when the doc was showing the X-Ray. One of them had a tooth pulled by a fucking car. That's a bit of a scratch.	[ "Stunt Junkies is a Discovery Channel television series that presents professional athletes performing dangerous stunts. The show demonstrates all the steps the athlete must do to successfully complete the stunt. \"Stunt Junkies\" was created and executive produced by Jordan G. Stone and produced by CBS Eye Too Pro...
What was the difference between a Greek phalanx, a Macedonian phalanx, and a Phoenecian phalanx?	Mainly spear length. The Greek dory was ~10 feet (3m) long and used overhanded for thrusts by the first couple ranks of soldiers in a phalanx. They also wore heavy shields (the hoplon) and heavy armor from time to time. Most of the time (depending on time period) they would wear a linothorax, or linen armor. The Cart...	[ "The phalanx of the Ancient Macedonian kingdom and the later Hellenistic successor states was a development of the hoplite phalanx. The 'phalangites' were armed with a much longer spear, the sarissa, and less heavily armoured. The sarissa was the pike used by the ancient Macedonian army. Its actual length is unknow...
why is english the most universally accepted language in the world if it's the third most spoken one?	Because the British Empire was the most powerful force in the world for many years. It became the standard language for trade because the biggest navy, most powerful army & largest trading fleets used them. Then, America became the doming social, political, economic & military force in the world due to the World ...	[ "English is often considered to be the lingua franca of the world today due to the diversity of countries and communities that have adopted English as a national, commercial, or social form of communication. Globalization, colonialism, and the capitalist system have all helped promote English as the world's dominan...
if radiation is considered harmful, then why do we use it to treat sick people?	Because it can kill cells, specifically cancerous cells and stop them from spreading without amputation, although it does kill good cells along with it which is why you'll generally see a decline in health, but beating cancer is top priority.	[ "Ionizing radiation is generally harmful and potentially lethal to living things but can have health benefits in radiation therapy for the treatment of cancer and thyrotoxicosis. Its most common impact is the induction of cancer with a latent period of years or decades after exposure. High doses can cause visually ...
cuts of meat?	It's where on the cow or pig the meat comes from. It's going to determine if it's white meat or red meat, as well as how tender it is, how much 'marbling' (fat within the meat) there is, and whether there is fat/bone/gristle around the meat. It's going to affect the price, as well as how you prepare it. Some parts wil...	[ "A primal cut or cut of meat is a piece of meat initially separated from the carcass of an animal during butchering. Examples of primals include the round, loin, rib, and chuck for beef or the ham, loin, Boston butt, and picnic for pork.\n", "Meat carving is the process and skill of cutting portions of meat, such...
What caused some cultures to develop systems of worshipping gods, while others merely told stories about gods, and others had no gods at all?	I would argue it is mainly culturally specific, and is deeply related to the manner of worship. That is, it isn't the result of the nature of religion or of civilization, but is rather an aspect of particular civilizations. For example, when we think of religion, we tend to project a Western ideal (Western as in the c...	[ "In the East, a contemplative life not centered on the idea of deities began in the sixth century BCE with the rise of Indian religions such as Jainism, Buddhism, and various sects of Hinduism in ancient India, and of Taoism in ancient China. Within the astika (\"orthodox\") schools of Hindu philosophy, the Samkhya...
Is it possible for it to be too cold to snow?	Contrary to popular belief, the Troposphere can NEVER be too cold to snow. However, it gets more difficult the colder it gets, because as the air gets colder, the relative humidity (how much water in the air) goes down. Since snow IS water, this makes it difficult. Finally, it is a lot harder for clouds to form wh...	[ "Humans are sensitive to cold, see hypothermia. Snowblindness, norovirus, seasonal depression. Slipping on black ice and falling icicles are other health concerns associated with cold and snowy weather. In the Northern Hemisphere, it is not unusual for homeless people to die from hypothermia in the winter.\n", "U...
why does heat make the effect of capsaicin, stuff in chilis that makes it hot, worse?	Capsaicin, more or less, works by tricking your body's temperature detectors into thinking they're burning hot when they're actually not. Water or other drinks help wash the capsaicin away, which is why drinking generally does help, but if you drink something very hot, you're stimulating those already overstimulated t...	[ "Because of the burning sensation caused by capsaicin when it comes in contact with mucous membranes, it is commonly used in food products to provide added spice or \"heat\" (piquancy), usually in the form of spices such as chili powder and paprika. In high concentrations, capsaicin will also cause a burning effect...
why are the perpertrators of mass shootings in us are predominantly white men?	As 77.7% of Americans are white. Now go through that list and see if it is still disproportionate.	[ "A study carried out at the University of California found \"evidence of a significant bias in the killing of unarmed black Americans compared to unarmed white Americans\". In this study, the probability of being shot by the police as a black, unarmed person versus as a white, unarmed person was 3.49 times higher. ...
Where does water come from?	The only silly questions are the ones you never ask! The water in the solar system mostly came from the molecular cloud that the solar system formed from. A large proportion of the water in the solar system is older than the sun! The water on Earth did mostly come from impacts of both comets and asteroi...	[ "Raw water (untreated) is collected from a surface water source (such as an intake on a lake or a river) or from a groundwater source (such as a water well drawing from an underground aquifer) within the watershed that provides the water resource.\n", "Water is a chemical substance that is composed of hydrogen an...
What was life like if you were a medieval soldier and besieging an enemy's city	Beseiging? That would've meant you were most likely working the saps. That mean digging holes, trenches and tunnels to undermine the walls. Sometimes the enemy would break through your mine and pump it full of sulphur. It smelled bad and it ruined your lungs. Sometimes you'll hit a pocket of dead air and you'll just di...	[ "The defenders that had not participated in the fight were behind the city walls and could not assist those outside. Without the ships, the inhabitants of the lower city, outside the medieval walls, could do nothing to prevent 1.500 soldiers from circling the beach and disembarking behind the church of San Jorge, a...
How did British troops and sailors celebrate Christmas during World War 2?	In the Royal Navy, Christmas was usually celebrated with Christmas decorations, a good meal, and a lot to drink. The run-up to Christmas would typically see the ship load special provisions, and the men decorate their messes. The ship might, if possible, be decorated by raising a Christmas tree (or closest possible app...	[ "During World War I in 1914 and 1915 there was an unofficial Christmas truce, particularly between British and German troops. The truce began on Christmas Eve, 24 December 1914, when German troops began decorating the area around their trenches in the region of Ypres, Belgium, for Christmas. They began by placing c...
Do cargo ships rise sea level significantly?	see _URL_0_. All the ships in the ocean raise sea level about 6 microns.	[ "Coastal regions would be most affected by rising sea levels. The increase in sea level along the coasts of continents, especially North America are much more significant than the global average. According to 2007 estimates by the International Panel on Climate Change (IPCC), “global average sea level will rise bet...
why are there few or no electronic (as in format) commercial radio stations in the united states?	Terrestrial radio caters to the widest demographic they can find since they make their money from advertisers who want to sell their products to lots of people. Electronic music is still a niche, so it makes less economic sense to make a station just for that when a country or r & b or rock station can get you several...	[ "Conversely, in places such as the United States, where commercial broadcasters are the norm, independent radio is sometimes used to refer to non-commercial educational radio stations that are primarily supported by listener contributions and are thus \"independent\" of commercial advertising concerns. With the adv...
podcasts	sure, read the first 2 sentences of [this](_URL_0_) and let me know what you don't understand. As for how to listen to them. What format does the podcast come in? usually if you get sent an rss feed, you can "view" it in firefox, which will provide a history of mp3s released, which you can just download and watch as n...	[ "Podcasting refers to the creation and regular distribution of podcasts through the Internet. Podcasts, which can include audio, video, PDF, and ePub files, are subscribed to and downloaded through web syndication or streamed online to a computer or mobile device. Subscribers are then able to view, listen to, and t...
Is the US Constitution primarily 240 year old English common law? If so, are there examples where the English precedent has evolved but the US one hasn't?	The US constitution is partly a codification of the Rights of Englishmen, and partly a rejection of the English common law as it existed in 1789. Much of the US constitution, such as the separation of powers first theorized by Baron Montesquieu, is a total rejection of the British theory of parliamentary supremacy. I...	[ "The American legal system also has its roots in English law. For example, elements of the Magna Carta were incorporated into the United States constitution. English law prior to the revolution is still part of the law of the United States, and provides the basis for many American legal traditions and policies.\n",...
How do astronauts do external repairs (or even hang on) to the ISS if it is moving at nearly 5 miles per second?	They astronauts are also moving at that speed, so with respect to the ISS they are at rest.	[ "During the 6-hour and 42-minute spacewalk, the astronauts carried out numerous maintenance and repair tasks including removal of hardware used to secure the P3/P4 radiator during launch. Ground Flight Controllers subsequently unfurled the radiator, increasing the ability of the station to dissipate heat into space...
What's the history of vegetarianism in India?	I can't talk to vegetarianism in general, but the taboo on beef consumption is actually quite recent, developing only in the early first millennium--recent, I suppose I should note, in comparison to the way much of Indian culture is often portrayed as "timeless". In the practices of Vedic Brahmanism, which is the ritua...	[ "The Bloodless Revolution: Radical Vegetarianism and the Discovery of India is a history of vegetarianism by Tristram Stuart. It was published in the United States as \"The Bloodless Revolution: A Cultural History of Vegetarianism From 1600 to Modern Times\".\n", "The practice can be traced to Indus Valley Civili...
why is writing in third person considered better than writing in first person?	What does "better" even mean? There are many classic and/or popular books written in both styles.	[ "One could argue ... that talk and writing differ in relative cerebral dominance. ... if language is more related to the right hemisphere, then writing may be more related to the left hemisphere. If this is the case, then writing might use or even stimulate parts of the brain that are not stimulated by talking.\n",...
Do batteries deplete at the same rate? Why can I change only 2 of 4 batteries in a non functioning device and it starts working again?	depleted batteries aren't completely dead. a typical 1.5V cell will usually be deemed useless for most devices once it has dropped to 1V (it really depends on the need of the device) your four cell device needs 6V potential difference, but may continue to work fine with just 5V (each cell depleted to 1.2V), at which p...	[ "Over their lifespan, batteries degrade progressively with reduced capacity, cycle life, and safety due to chemical changes to the electrodes. Capacity loss/fade is expressed as a percentage of initial capacity after a number of cycles (e.g., 30% loss after 1,000 cycles). \n", "Batteries that are stored for a lon...
Have there been any man made explosions in space?	We shot off a lot of Rainbow Bombs. I suggest watching the movie Nukes in Space. It is narrated by William Shatner and gives a good overview of our nuclear explosions done in space/near space. Artificial radiation belts were created and giant EMP pulses were released.	[ "A side-effect of the Pascal-B nuclear test during Operation Plumbbob may have resulted in the first man-made object launched into space. The so-called \"thunder well\" effect from the underground explosion may have launched a metal cover plate into space at six times Earth's escape velocity, although the evidence ...
why does nausea seem to come in waves?	It can come in waves as the natural movement (muscle contractions of the digestive system known as peristalses) is reversed, and involuntary contractions in the walls of the stomach and esophagus force the stomach contents out	[ "Nausea is a non-specific symptom, which means that it has many possible causes. Some common causes of nausea are gastroenteritis and other gastrointestinal disorders, food poisoning, motion sickness, dizziness, migraine, fainting and low blood sugar. Nausea is a side effect of many medications including chemothera...
If identical twins are thought to NOT be hereditary (unlike fraternal), why do some families have so many through the generations?	There appears to be some hereditary element: A quick search revealed this document _URL_0_ They cited two studies that found an increased chance of identical twins having more indentical twins. However, only in the maternal line... See in particular p. 183 and References to Lichtenstein 1996 and Parisi 1983	[ "Alleles that are identical by type fall into two groups; those that are identical by descent (IBD) because they arose from the same allele in an earlier generation; and those that are non-identical by descent (NIBD) because they arose from separate mutations. NIBD can also be identical by state (IBS) though, if th...
Have we in any micro way, or conceived of a way, that we could control gravity? Could the LHC lead to this discovery?	Gravity is linked intimately with matter and energy. Put some mass-energy somewhere in space, and it'll make gravity. So to make gravity do exotic things, you need exotic matter. If you want to make gravity repulsive, for example, you'd need some very strange stuff which a) might not even exist, and b) would anyway b...	[ "The first ten years were spent on design and an extensive R&D effort. Like for all other LHC experiments, it became clear from the outset that also the challenges of heavy ion physics at LHC could not be really met (nor paid for) with existing technology. Significant advances, and in some cases a technological bre...
Is it true that English colonists kept their longbows offshore to keep American Indians from "copying their design"? Were American bows significantly inferior to those from Europe, Asia or Africa at the time?	I would have to consult an expert on Jamestown and early English colonial efforts to know exactly what the colonists kept in their armories, but by 1604, the longbow would have been well on its way out in England. Although longbowmen could still be found in militia musters of the late 1500s, their use was increasingly ...	[ "Mann first treats New England in the 17th century. He disagrees with the popular idea that European technologies were superior to those of Native Americans, using guns as a specific example. The Native Americans considered them little more than \"noisemakers\", and concluded they were more difficult to aim than ar...
Manipulating the human genome to add chloroplasts	The energy requirements of mammals are huge and the amount of surface area of the skin/hair is minimal. Nevertheless this idea has been covered on askscience several times before. [What would happen if an animal was genetically modified to undergo photosynthesis?](_URL_0_) [If the chloroplast genome was cloned into ...	[ "Although \"Elysia chlorotica\" are unable to synthesize their own chloroplasts, the ability to maintain the chloroplasts in a functional state indicates that \"Elysia chlorotica\" could possess photosynthesis-supporting genes within its own nuclear genome, possibly acquired through horizontal gene transfer. Since ...
what's the difference between ironic and coincidental?	There's multiple types of irony but the one you're referring to would mean: An incongruity between the expected outcome and the actual outcome. Coincidence is when two or more things occur by just chance. So Paul Walker dies in a car crash after acting in movies about racing cars is a coincidence. President Reagan ...	[ "The \"American Heritage Dictionary\" secondary meaning for \"irony\": \"incongruity between what might be expected and what actually occurs\". This sense, however, is not synonymous with \"incongruous\" but merely a definition of dramatic or situational irony. It is often included in definitions of irony \"not onl...
why did they stop making jello pudding pops years ago?	The Popsicle brand licensed the name Jell-O and changed the recipe. As is often the case when a classic, beloved recipe changes, people were not happy. I had a few of these myself, and they were pretty gross. Sales dropped, never reaching the levels of the originals, and eventually (around 4 years ago) they started dis...	[ "Pudding Pops originated in Baton Rouge, Louisiana in the 1970s in the United States of America. In its first year, it earned $100,000,000, and after five years, it was earning $300,000,000 a year. Despite strong sales into the 1990s, Pudding Pops were eventually discontinued, due to not being profitable. After bei...
how the human body knows not to breath while unconscious under water	It doesn't. Going unconscious after an accident in water is one of the primary ways people drown. Where did you hear that you hold your breath while unconscious in water?	[ "A conscious person will hold his or her breath (see Apnea) and will try to access air, often resulting in panic, including rapid body movement. This uses up more oxygen in the blood stream and reduces the time to unconsciousness. The person can voluntarily hold his or her breath for some time, but the breathing re...
How was the Dutch society organised in the 17th century?	If you're dutch I suggest watching the series "De gouden eeuw" on _URL_0_, it has some great information on the netherlands and how the people and government were after they became independent. Also, I'm new to this subreddit and don't know if this is a good answer, it would definitely be an answer and credible sourc...	[ "The seventeenth century was a distinguished period for the Dutch with its powerful defence force and internationally accepted currency. In this Dutch Golden age, many Dutch scientists (including many migrants) worked to create an intellectual boom. Being a major player in global trade, the Netherlands had a partic...
how does marijuana keep you relaxed if it increases your heart rate?	Heart rate and blood pressure only increase in the short term immediately after inhalation (which to me points to oxygen deprivation due to smoke), and actually lowers heart rate and BP as the cannabinoids hit your systems, which combined with the memory fogging effects (you forget your worries man) leads to relaxation...	[ "Short-term (one to two hours) effects on the cardiovascular system can include increased heart rate, dilation of blood vessels, and fluctuations in blood pressure. There are medical reports of occasional heart attacks or myocardial infarction, stroke and other cardiovascular side effects. Marijuana's cardiovascula...
how do electrons move like a wave, exactly? same for photons?	They don't actually "move" like a wave. The "wave" describes the probability that the electron is in a given location at a given time. The electron kinda... doesn't resolve its existence until it interacts with something. It's wierd and I may be describing it wrong, but the wave of probability is what propagates and i...	[ "The wave-like nature of the electron allows it to pass through two parallel slits simultaneously, rather than just one slit as would be the case for a classical particle. In quantum mechanics, the wave-like property of one particle can be described mathematically as a complex-valued function, the wave function, co...
how does the puffer fish have a voice?	It's air escaping. Pufferfish suck water (or air in this case) into their stomachs to expand. Since it's eating, the air is escaping and making nose.	[ "Rainbows can emit underwater sounds, probably with their swim bladders. Sounds described as \"volleys\" and \"thumps\" have been recorded during agonistic interactions. \"Growls\" before spawning may help synchronize the breeding pair an reported in other Cichlids. A \"whoof\" sound is produced as an appeasement s...
Some scientist hypothesis that Solar Wind stripped away most of Mars atmosphere. Could Earths atmosphere also be suitable to being stripped away by solar winds?	I am surprised that you have not received an adequate answer thus far so I will do my best to recollect an old NOVA episode about mars. From what I can remember the reason that Mars had its atmosphere stripped away by the solar wind is because the magnetic field that surrounded the planet weakened because the core cool...	[ "Although Mars is larger than Mercury and four times farther from the Sun, it is thought that the solar wind has stripped away up to a third of its original atmosphere, leaving a layer 1/100th as dense as the Earth's. It is believed the mechanism for this atmospheric stripping is gas caught in bubbles of magnetic f...
is clear pee (not golden or yellow) a sign of good/bad health or does it have absolutely nothing to do with health?	Clear pee is good, you might be a little more hydrated than you need to be but that won't hurt you one bit save for being a bit annoying when you have to pee every hour or so. Dark urine is a sign of dehydration.	[ "If urine looks dark yellow or similar to orange color, the causative factors might be recent uses of vitamin B-containing nutrient supplement, carotene, phenazopyridine, rifampin, warfarin and laxative.\n", "The causation or contributing factors of the urine color change to green or blue are those artificial col...
how are people able to fast for long periods at a time yet stay healthy?	Fasting can be a pretty flexible term, especially when used in a religious context. The people who “fast for 365 days” are eliminating a specific thing, like red meat or bread, for a specific duration, and many of them rotate that “thing” every week or month. So they say they’re fasting, but really they are going witho...	[ "There is no scientific evidence that prolonged fasting provides any significant health benefits. Negative health complications from long term fasting include arthritis, abdominal cramp and orthostatic hypotension.\n", "A 2018 review of intermittent fasting in obese people showed that reducing calorie intake one ...
If you stack up a particular bacteria and fill up half a test tube with it, what would it look like?	Not sure about h. pylori, but a bunch of e. coli looks like plaque (the kind on your teeth). It's really easy to get bulk amounts of e. coli. Just grow it up and spin it down.	[ "Capillary tubes may also be used. A small sample of bacteria is collected on the end of the capillary tube, without blocking the tube, to avoid false negative results. The opposite end is then dipped into hydrogen peroxide, which is drawn into the tube through capillary action, and turned upside down, so that the ...
If wave nodes are static, how do they transfer energy?	Actually, no net energy is transferred through a node in a standing wave. The equation for the power transfer is proportional to the rate of change of the displacement, which for a node is zero.	[ "In a standing wave the nodes are a series of locations at equally spaced intervals where the wave amplitude (motion) is zero (see animation above). At these points the two waves add with opposite phase and cancel each other out. They occur at intervals of half a wavelength (λ/2). Midway between each pair of nodes ...
Why is plasma considered a different phase of matter than gas but metal isn't a different phase from solid?	If you really want to go into defining phases in a rigorous way which applies in all cases, you need to go to a description that's too complicated for standard high school physics. IMO, the best way is using "order parameters" as described [in this recent comment](_URL_1_) by /u/IAmMe1. This includes all kinds of inter...	[ "Plasma is often called the \"fourth state of matter\" after solid, liquids and gases, despite plasma typically being an ionized gas. It is distinct from these and other lower-energy states of matter. Although it is closely related to the gas phase in that it also has no definite form or volume, it differs in a num...
How well-known of an actor was John Wilkes Booth in 1865, on a scale of Chris Meloni to Brad Pitt?	In terms of fame, we could call him Casey Affleck. He was well known, but his brother Edwin Boothe was way more famous. In terms of talent, though, Edwin was considered one of the greatest American actors of his day, and I don't know if we can say the same about Ben.	[ "Edwin Thomas Booth (November 13, 1833 – June 7, 1893) was an American actor who toured throughout the United States and the major capitals of Europe, performing Shakespearean plays. In 1869, he founded Booth's Theatre in New York. Some theatrical historians consider him the greatest American actor, and the greates...
why does putin go through the process of an election?	Plausible deniability is a big deal. It's one thing that "everyone knows" it's bull and actually being able to prove it is a whole another thing. Also because any adverse reactions by the West can then be used as internal propaganda to reinforce the idea that the West is opposed to Russia. Us vs them mentality is a st...	[ "In 2017, the Party of Growth holds the primaries for the nomination of candidates for the presidential election. These are the first presidential primaries in the history of Russia. However, voting for candidates will take place via the Internet within three months, and, according to the spokesman of the party, th...
why disease dna's are patented	So companies can release them and sell the government the cure.	[ "As with any innovation in medicine, investment and interest in personalised medicine is influenced by intellectual property rights. There has been a lot of controversy regarding patent protection for diagnostic tools, genes, and biomarkers. In June 2013, the U.S Supreme Court ruled that natural occurring genes can...
why are some otherwise harmless chemicals extremely hazardous to a fetus?	One reason: The developing embryo's cells signal to each other in hugely complex and frankly not very well understood ways. The only way a cell can 'know' that it is supposed multiply into say, a finger, is if it is getting messages from nearby cells giving information as to what they are doing. Some drugs, thalidomi...	[ "Various toxins pose a significant hazard to fetuses during development. A 2011 study found that virtually all US pregnant women carry multiple chemicals, including some banned since the 1970s, in their bodies. Researchers detected polychlorinated biphenyls, organochlorine pesticides, perfluorinated compounds, phen...
how can the nfl be classified as a non-profit?	The NFL organization is non-profit, not the teams.	[ "NFL Players Inc. was created as the for profit marketing subsidiary of the National Football League Players Association, or NFLPA. Its stated goal is helping players in the National Football League use their commercial licensing rights to secure marketing and business opportunities. When players enter the NFL and ...
How does one formulate a research thesis?	It starts with a question, which likely evolves from a getting to know a specific subject's secondary works fairly well. For me, it was the War of 1812, a topic which I began studying when I worked at a historic site that was involved in the war. We led tours and had to try to compress the causes of the war with some o...	[ "The introductory or summary chapters of a thesis by published works should be written independently by the student. They should include an extensive annotated bibliography or literature review, placing the scope and results of the articles in the wider context of current state of the international research. They c...
How much free time would the typical peasant farmer have in the middle ages?	hi! fyi, you can get some ideas from some previous related posts * [How much free time did an average person in the middle ages have and how die he/she spend it?](_URL_2_) * [Medieval peasant vacation time.](_URL_3_) * [What was the average number of holidays per year during the Middle Ages? / What did a peasant do ...	[ "Farming in the early middle ages tended to increase production through expanding the area of land cultivated, particularly from the forested and waste areas. Surplus production was quite limited, especially after feudal dues were given or paid, leaving peasant farmers making only slightly more than subsistence lev...
how does dropping my car into a lower gear help me drive through the snow better?	You can slow down using engine braking when in a lower gear. Also while you are in gear it can be easier to maintain traction when you start to accelerate. Sometimes when starting from a dead stop or between gears it is easy to give too much gas and cause the wheels to spin out.	[ "BULLET::::- Winter (W): In some Volvo, Mercedes-Benz, BMW and General Motors models, a winter mode can be engaged so that second gear is selected instead of first when pulling away from stationary, to reduce the likelihood of loss of traction due to wheel spin on snow or ice. On GM cars, this was D2 in the 1950s, ...
When someone gets fat, do their adipocytes just swell up, or does the body produce more of them?	Edited: With obesity most of the increase is from increasing size of adipose cells, which are terminally differentiated. Though some production of new cells does occur. _URL_0_	[ "However, other subcutaneous fat tissues also might contribute to metabolic disease, if the fat cells become too enlarged and \"sick.\" Admittedly, subcutaneous fat cells typically are larger, and capable of storing more fat when needed. However, subcutaneous fat tissue represents the largest proportion of fat tiss...
In Ancient Egypt, would pet cats be given what we today know as "pet names," or would they be given people names?	Actually, typically a cat in ancient Egypt was simply called cat. Cats as pets are recorded from the 12th Dynasty on, but they didn't usually receive personal names. (Fischer, More Ancient Egyptian Names of Dogs and Other Animals). Incidentally, the word for cat is 'mjw' in ancient Egyptian, pronounced rather adorabl...	[ "\"The Naming of Cats\" is a poem in T. S. Eliot's poetry book \"Old Possum's Book of Practical Cats\". It was adapted into a musical number in Andrew Lloyd Webber's \"Cats\", and has also been quoted in other films, notably \"Logan's Run\". The poem describes to humans how cats get their names.\n", "Cats have hi...
When the earthquake hits California, will it also general tsunamis toward the California coast or toward the other direction and will I be safer on the beach than in the middle of LA?	Assuming you're talking about an earthquake on the San Andreas fault, a tsunami is not a big risk. [Tsunami's form](_URL_0_) when you have large vertical displacements of rock (and thus water). Strike slip motion (i.e. side to side motion of a fault, like the San Andreas) does not typically produce tsunamis. Additional...	[ "As seen in the 1700 quake, the 2004 Indian Ocean earthquake, and the 2011 Tōhoku earthquake and tsunami, subduction zone earthquakes can cause large tsunamis, and many coastal areas in the region have prepared tsunami evacuation plans in anticipation of a possible future Cascadia earthquake. However, the major nea...
If yogurt is non-fat, what is it made of, and what happened to its milk fat?	Non-fat yogurt is made from non-fat or skim milk. The milk fat naturally separates from milk, and can be skimmed off the top. The fatty part that's skimmed off is called cream it's mostly used in foods. (_URL_0_)	[ "Milk fat comprises about 0.55–6% of the yogurt; added in quantities inversely proportional to the amount of milk solids, it lends richness to the yogurt. Milk solids account for 8–14% of the yogurt’s volume, providing lactose for sweetness and proteins for smoothness and increased resistance to melting. Sugar (bee...
Since atoms are made up of mostly empty space and the universe is as well, how big would the "universe" be if it were a completely condensed mass?	The concept that atoms are largely empty is also not well established, as its unclear if there is such a thing as "empty space". This is compounded by the principles of quantum field theory which suggest quantum fields pervade all of spacetime anyway. We also have good reason to believe that all the matter and radiatio...	[ "Raël says that, \"Everything is in everything.\" Inside the atoms of living things, he says, are living things made of atoms which themselves have living things made of atoms, and so on, to the infinitely small. The universe itself is contained in an atom inside of another universe, and so on, to the infinitely la...
If I had a mile long rope pulled taut between two people, would a strong pull by one holder of the rope be felt instantaneously by the other holder?	The pull would propagate at the speed of sound of the medium (the rope).	[ "A rope under tension – particularly if it has a great deal of elasticity – can be very hazardous if it should part, snapping backward and potentially causing grave or lethal injury to people, or damage to objects, in its path. There are occasions when it is proper to cut a taut rope under load, but this should be ...
whenever a championship/playoffs series goes to game 7 (world series, stanley cup, etc.) and both teams now have a shot at winning the series, what happens to the losing teams "champs" gear?	It is typically donated to the needy in a place that has never heard of the sport. In some distant corner of the word, there is a group of people who think the Buffalo Bills had the greatest football dynasty ever.	[ "In the playoffs, teams play against each other which must win three games to win the series. Thus, if one team win three games before all five games have been played, the games that remain are omitted. The team that finished in the higher Top 16 place will be played the first, the second and the fifth (if it is ne...
how did scientology evolve from sci-fi into an organized religion with literal believers?	Like all things, Scientology was created in steps. A common misconception is that Scientology arose directly from his science-fiction writings. It did not do this. The two were written separately by the same person. It began in the 1950's when Hubbard published a self-help series under the name "Dianetics." Dianetics,...	[ "Sociologist William Sims Bainbridge cites Scientology's origins in the subcultures of science fiction and \"harmony\" with scientific cosmology. Science fiction, viewed to work for and against the purposes of science, has contributed to the birth of new religions, including Scientology. While it promotes science, ...
Is there a specific reason medieval calligraphy looks the way it does?	The Middle Ages spanned roughly a millennium, during all of which at least some people in western Europe were writing. In this time, numerous forms of script enjoyed their heyday, passed out of fashion, and in some cases were revived. Different scripts were used for different purposes in the same time frame, and over...	[ "Calligraphy began to be used in surface decoration on pottery during this period. Illuminated Qur'ans gained attention, letter-forms now more complex and stylized to the point of slowing down the recognition of the words themselves.\n", "Calligraphy holds a central position in the Islamic artistic tradition, and...
When did drums begin to become widely used in Western music	This is a very broad and not really answerable question, so I'll give you an answer for some very narrow definitions of "western music." If you're asking when orchestras started incorporating a percussion section as standard in "western concert music" (AKA classical music), that really developed during the first few d...	[ "The first percussion instrument originated four thousand years ago in China in the neolithic Shang Dynasty. Percussion instruments were widely used in celebration of the dynasty and the conflicts. Drums symbolized spirit and power and represented the universe.\n", "Drums were used as they had been in Africa, for...
why does the world use metric sizes for sockets but imperial size for ratchets? ie quarter, 3/8 and half inch drive?	The simple explanation is likely that the ratcheting socket wrench, with interchangeable socket was invented and patented in the US in 1864 and then spread around the world. They the size they used spread around the world. The size of them is not that important as they are seldom used. I mean that only manufacturer...	[ "A 19-inch rack is a standardized frame or enclosure for mounting multiple electronic equipment modules. Each module has a front panel that is wide. The 19-inch dimension includes the edges, or \"ears\", that protrude on each side which allow the module to be fastened to the rack frame with screws. Common uses incl...
what is light made of?	Light is made of photons. Photons are really interesting in that they have some properties of matter and some properties of wave. This makes light act differently in different situations.	[ "Solid light is a hypothetical material, made of light in a solidified state. Theoretically, it is possible to make such a material, and there are claims this material was already made, including claims from MIT and Harvard.\n", "Light, or visible light, is the very narrow range of electromagnetic radiation that ...
how does light (electromagnetic radiation) relate to electricity and magnetism?	Electricity and magnetism are two sides of the same coin: the electromagnetic interaction. Electric charges excite the electromagnetic field, and moving electric charges excite the magnetic field. Since motion is relative, it follows that electric and magnetic fields can be transformed into each other. (There are als...	[ "\"The agreement of the results seems to show that light and magnetism are affections of the same substance, and that light is an electromagnetic disturbance propagated through the field according to electromagnetic laws.\"\n", "Electricity is the set of physical phenomena associated with the presence and motion ...
why is it animals are portrayed as recovering from their wounds apparently better than humans without actually "cleaning" their wounds?	Humans recover just fine from minor wounds, alot of scratches, small lacerations, even puncture wounds heal just fine by themselves. More severe wounds could heal but might leave a scar. We treat those because we don't want scarring. Most injuries that require just stitches and antibiotic ointment would probabl...	[ "Though much progress has been accomplished in the study of chronic wounds lately, advances in the study of their healing have lagged behind expectations. This is partly because animal studies are difficult because animals do not get chronic wounds, since they usually have loose skin that quickly contracts, and the...
Could the conditions for life be different than ours in another part of the universe?	We don't know what the full range of conditions is under which life can exist. What we do know is that life is possible in places like the Earth. So if you were going to look for life, better to spend your efforts in the kinds of places where we know life can exist, but that is not the same as saying life can't exist...	[ "Due to the harsh conditions on the surface, little of the planet has been explored; in addition to the fact that life as currently understood may not necessarily be the same in other parts of the universe, the extent of the tenacity of life on Earth itself has not yet been shown. Creatures known as extremophiles e...
How religious were America's first Universities?	Most of the 17th and 18th century schools were religiously affiliated and as you surmised were often heavily involved in the training of clergy, this is partially because most professions in 18th century British America did not require you to go to College, including perhaps somewhat surprisingly law. There was always ...	[ "Most of the first colleges in the American colonies—such as Harvard College (1636), Yale College (1701), and the College of New Jersey (later Princeton University) (1747)—were established by Christian churches with the mission of training clergy and lay leaders. By the end of the nineteenth century, however, many ...
how do laser mice work?	Same way an optical mouse works, because it's a type of optical mouse. An optical mouse has a camera on the bottom that takes pictures of the surface at a fast rate, and calculates how you've moved between images. That's the motion data. Cameras need light to work. Optical mice use an LED to illuminate the area the c...	[ "Optical mice rely entirely on one or more light-emitting diodes (LEDs) and an imaging array of photodiodes to detect movement relative to the underlying surface, eschewing the internal moving parts a mechanical mouse uses in addition to its optics. A laser mouse is an optical mouse that uses coherent (laser) light...
In ants, how much of the colony's resources are invested in foraging workers at any one time? How many foragers can be lost without threatening the colony's survival?	FINALLY A QUESTION ABOUT ANTS! Unfortunately, this is very much not one of those things that can be answered with the same answer for all ants. In studies like this, _URL_0_, it is mentioned that forager efficiency is not only determined by the number of foragers, but the adequacy of the food supply. A significant a...	[ "Harvester ant populations operate without a centralized control system by means of a decentralized chemical communication system, through the process of chemical signalling. Foraging is regulated using positive and negative feedback loops. Ants returning to the colony stimulates outgoing foraging. When ants return...
why is it easier to open a plastic bottle when it is at room temperature then when it is from the refrigerator?	You're right. When things get hot they expand, and vice versa, which explains your observation. Also, if the bottle is coming out of the refrigerator it is likely a bit moist and therefore slippery - alongside being liable to make your fingertips numb. A bottle from a cupboard or similar will be easier to open in par...	[ "Bottles can also be duct taped together to create a window-type effect. Two similar size bottles can be taped together with the openings allowing a light passageway. This also traps air and creates a small amount of insulation. Filling glass with liquid that will be subjected to freezing and thawing is not a good ...
How did Brittany remain independent from France for practically all of the middle ages?	A slightly different question: How did Brittany become part of France at the end of the middle ages despite France seemingly having no land or dynastic claims over it?	[ "The union of Brittany and France was a critical step in the formation of modern-day France. Geographically, the union resulted in France's northwestern border becoming the English Channel and its western border, as far south as the Pyrenees Mountains, becoming the Atlantic Ocean, save for island territories and co...
What is the process like to becoming a History professor?	Process, at least in the US: 1) Do well in your major. Try to accumulate research experience during summers, either independently under a professor's supervision or as a research assistant. In your senior year, take MA-level classes or independent studies. By this point you should have identified 2-3 faculty members w...	[ "In Law, Political Science, and Economics, it is possible to be recruited directly as a full professor by passing the \"agrégation\" (distinct from the secondary school system's \"agrégation\", more widespread). Consequently, some scholars become professors without prior experience as a Maître de conférences. This ...
mowing the lawn properly	1) You should alternate each mowing between horizontal and vertical in order to promote healthy growth 2)Yeah, eventually you will. I'm not sure how often though. Consult your user manual that it came with 3) No, but it makes it really messy and you can dig up your lawn if you have a powered mower (one ...	[ "Mowing a lawn can bring a person into contact with these hairs. One alternative is to adopt a grass mulching technique to reduce possible contact, and to speed up the biological breakdown of the irritant hairs.\n", "Grasscycling is a method of handling grass clippings by leaving them to decompose on the lawn whe...
Ive been going to a history lecture, but i have some questions that the teacher cant anwser.	There are several reasons why Sweden wasn't attacked in WWII, the primary reason being that there was no need to. Sweden managed to remain neutral throughout the war by catering to both sides. Germany was able to gain much of the resources needed from Sweden (primarily iron ore) just by buying it from them. They als...	[ "The lectures were originally broadcast on BBC Radio 4 over three series between 1999 and 2002. Many of the arguments were illustrated by miniature sketches. These sketches featured Mark Steel, Martin Hyder, Mel Hudson, Carla Mendonça, Femi Elufowoju Junior and Debbie Isitt. The first series was subtitled \"A serie...
As an American, how necessary or evil was the Nagasaki and Hiroshima bombings?	It seems I'm going to have to post on this every day. From an American strategic perspective, trying to end the war as quickly as possible with a minimum loss of life the bombs were largely justified. Civilian casualties projected for Operation Downfall were extremely high, so you could even argue that they believed ...	[ "The atomic bombings of Hiroshima and Nagasaki are identified as the cause of Japanese whaling. The two Japanese cities were destroyed by atomic weapons during the final stages of World War II under orders by U.S. President Harry Truman, which killed about 220,000 people. In \"Whale Whores\", the Japanese are prese...
why do software companies remove features in later updates instead of only adding them?	Software designers and developers have learned over the years that incremental addition of software features inevitably leads to an overly complicated and confusing application and its then "disrupted" by something that is much simpler and makes it dumb-ass-easy to do the most important, valuable things. So...designer...	[ "A software update, sometimes referred to as a patch, can add functionalities and address flaws in existing code. Unfortunately, in delivering updates to neutralize flaws, these systems can unintentionally introduce vulnerabilities that, in turn, can be exploited by attackers.\n", "While a deprecated software fea...
Do you think one can contribute to the study of history without actually being a historian?	I would argue that just because they do not study history in the conventional way does not mean they are not historians. I myself am both a "Historian" in the sense that I study in at undergraduate level and a re-enactor and I think they both should be considered as historians, as they both attempt to study the past an...	[ "“The historian helps people understand the ‘pastness of the past.’ We do this with thorough research from original sources. I don’t believe that history can be instrumental as a guideline as to how you should act. But it will help you understand the immense variety and oddity of human nature.”\n", "Individuals c...
Monday Methods: Why You Should Not Get a History PhD (And How to Apply for One Anyway)	This is very sad.	[ "An undergraduate history degree is often used as a stepping stone to graduate studies in business or law. Many historians are employed at universities and other facilities for post-secondary education. In addition, it is normal for colleges and universities to require the PhD degree for new full-time hires. A scho...
Why don't we see nerves or blood vessels in meat?	For larger cuts (like steak or pork), most everything but the muscles is trimmed during butchery. The major blood vessels and nerves tend to sit relatively shallowly on the muscles, so they can be easily removed during preparation.	[ "The organs, muscles, and other contents of the torso are supplied by nerves, which mainly originate as nerve roots from the thoracic and lumbar parts of the spinal cord. Some organs also receive a nerve supply from the vagus nerve. The sensation to the skin is provided by:\n", "The liver is a vital organ and sup...
Why does Mexico have such good foreign relations across history?	> I might be biased, and if so I'm trying to dispel that, but it seems to be that Mexico historically has had very good foreign relations and if that's true I would like to know why. You are not biased, it is actually true. Mexico is a fascinating country to study its Foreign Policy over the years. The country has a ...	[ "Since the late nineteenth century during the regime of President Porfirio Díaz (1876–1911), the two countries have had close diplomatic and economic ties. During Díaz's long presidency, Mexico was opened to foreign investment and U.S. entrepreneurs invested in ranching and agricultural enterprises and mining. The ...
how does google know which image to output only with words?	Quite some misinformation here. Contrary to your statement, you can actually tag images. Simply naming the picture "red-car-bmw.png" instead of "IMG-4568743.png" is already something Google will pick up. Besides that a lot of other Search Engine Optimization (SEO) techniques come down to tagging pages with keywords, re...	[ "It is also used by websites as a spamdexing technique to fill a page with keywords that a search engine will recognize but are not visible to a visitor. However, Google has taken steps to prevent this by parsing the color of text as it indexes it and checking to see if it is transparent, giving those pages much lo...
what is the relation between the irs, the federal reserve, and the department of treasury?	If the US Government were a company, the Department of the Treasury would be the financial department. The IRS would be accounts receivable, billing, and some portion of accounts payable. It is overseen by the Department of the Treasury. The Federal Reserve would be an independent subsidiary and consultant. This is ...	[ "The Internal Revenue Service (IRS) is the revenue service of the United States federal government. The government agency is a bureau of the Department of the Treasury, and is under the immediate direction of the Commissioner of Internal Revenue, who is appointed to a five-year term by the President of the United S...
spontaneously passing out	The blood in your body gets pulled toward your feet due the high g force. This means less blood to your brain, which means no oxygen, which means you pass out. Same thing happens to fighter pilots.	[ "BULLET::::2. The spontaneous fainting of an individual without an apparent natural explanation is believed that it is due to multiple spirits yearning to deliver message to the living. This sudden illness is derived from an Ilocano superstition.\n", "Suddenly is the debut extended play by American pop rock band ...
What if a tornado hit a nuclear power plant?	I’m going to give a few answers to this. The first one, is a nuclear power plant is designed to deal with the maximum hypothetical tornado and maintain safe shutdown capability. This is required in the US as part of 10CFR100 for reactor sitting criteria and there is a volume in chapter 2 and 3 of the Final Safety Ana...	[ "A series of tornadoes in West Tennessee cripple the Helman-Klein Nuclear Power Plant by damaging a power transformer and a generator. This leaves the plant with very little power to operate. As an operator shuts down non-vital systems, which include the electric pumps, a second tornado hits the plant, damaging the...
why are kubatons allowed to be sold for self-defense, but brass knuckles are only to be sold as "paperweights"?	It's very hard to give satisfying answers to "Why does the law say ...?" questions. The real answer is almost always "Because it sounded like a good idea at the time." You're talking about law chasing a product. Brass knuckles were considered "bad" by some lawmaker, so they wrote a law banning them. Then someone ma...	[ "In Taiwan, according to the Law of Taiwan, possession and sales of brass knuckles are illegal. Under regulation, brass knuckles are considered weapons. Without the permission of the central regulatory agency, it is against the law to manufacture, sell, transport, transfer, rent, or have them in collection or on di...
why does ejaculating feel good?	When you ejaculate, your brain releases several "feel good" chemicals like endorphin, oxytocin, serotonin, and dopamine. These usually wear out after several minutes. They also get released any time you do anything helpful as a way of motivating you to do it more often.	[ "Ejaculation is the discharge of semen (normally containing sperm) from the male reproductory tract, usually accompanied by orgasm. It is the final stage and natural objective of male sexual stimulation, and an essential component of natural conception. In rare cases, ejaculation occurs because of prostatic disease...
where does the air that causes an organ to produce sound come from and how is it carried to the pipes?	In the Olden Days, it was provided by a set of [bellows](_URL_3_), that some [assistant](_URL_1_) had to keep pumped to keep the organ supplied with air. Nowadays on most organs, it's done with an electric air compressor, though there are still organs with bellows that exist. There's an organ in a church near me that...	[ "Organ sounds are created by forced air blowing into different types of pipes. Most pipes are \"flue\" pipes and operate similarly to the way sound is produced by a policeman's whistle; no moving parts are involved. The metallic pipes seen mounted on top of the wooden boxes at either side of the altar are flue pipe...

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