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Piri Reis Map? Discovery near Cuba? Scott Stones? Piri Reis Map The Piri Reis Map of 1513 is the first surviving map that shows the Americas (the Vinland map may be older but only shows a part of North America). The Piri Reis map shows North America, South America, Greenland and Antarctica which had not yet been discov...
Greater DOF with secondary electron imaging is largely a matter of working distance--defined as the distance (in mm) from the objective lens to the top of the sample being imaged. Of course, the lenses in this type of instrument are electromagnetic (not glass) lenses, and can effect different crossover (focus) points b...
Efforts to Fight Poverty This is Gwen Outen with the VOA Special English DEVELOPMENT REPORT. The World Bank estimates that more than one thousand million people live on less than one dollar a day. These are the poorest of the poor, about one-sixth of the world population. Martin Ravallion works for the Development Rese...
There is clear and unambiguous scientific evidence that documents how rising atmospheric carbon dioxide is leading to increasingly acidic seawater. This phenomenon has been termed ‘ocean acidification’ and presents a real threat to marine organisms that build their structures of calcium carbonate and, by extension, the...
Maryland is the first state in the nation to require high school students to engage in service-learning activities as a condition of graduation. Each of the 24 school districts in Maryland implements the service-learning graduation requirement differently, because they tailor the specifics of their program to their loc...
TumbleBookLibrary-eBooks for Kids TumbleBook Library is an online collection of TumbleBooks - animated, talking picture books that teach kids the joy of reading in a format they'll love. Tumblebooks are created by adding animation, sound, music, and narrtion to existing picture books in order to produce an electronic p...
From Our 2012 Archives Lifesaving Defibrillators Often Not Nearby When Needed Latest Heart News FRIDAY, May 11 (HealthDay News) -- Potentially lifesaving automated external defibrillators (AEDs) are not close at hand in most cases of cardiac arrest that occur in public places, according to a new study. Cardiac arrest o...
By John Gillingham Published Online (2010) Introduction: That those who invaded Ireland in the late twelfth century were encouraged to think that they were engaged in a civilising mission is well-known. But did they also believe that a deliberate policy of civilising could have been devised and implemented? In his book...
Definition of Blood count Blood count: The calculated number of white or red blood cells (WBCs or RBCs) in a cubic millimeter of blood. Last Editorial Review: 6/14/2012 Back to MedTerms online medical dictionary A-Z List Need help identifying pills and medications? Get the latest health and medical information delivere...
Definition of Fear of blood Fear of blood: An abnormal and persistent fear of blood. Sufferers of this very common phobia dread the sight of their own blood, the sight of the blood of another person or an animal, and sometimes printed or filmed images of blood or even thoughts of blood. Blood may remind them of their o...
Cancer is a group of abnormal cells often—though not always—consolidated into a mass called a tumor. The common characteristic of all cancer cells is the absence of normal growth control mechanisms. Normal, healthy cells grow and reproduce only to replace cells that have died or, in young animals, to support ordinary g...
Throughout his life, Dürer was in thrall to the idea that the perfect human form corresponded to a system of proportion and measurements and could be generated by using such a system. Near the end of his life, he wrote several books codifying his theories, including the Underweysung der Messung (Manual of measurement),...
Injection molding is a manufacturing process for producing plastic parts from both thermoplastic and thermosetting plastic materials. Material is fed into a heated barrel, then mixed and forced into a mold cavity by a reciprocating screw or a ram injector, where it cools and hardens to the configuration of the mold cav...
Diseases and ConditionsDysthymia Pediatric Diseases and ConditionsMajor Depression in Adolescents Mood Disorders in Children and Adolescents Dysthymia, also known as dysthymic disorder, is classified as a type of affective disorder (also called mood disorder) that often resembles a less severe, yet more chronic form of...
No, this is NOT the moon: Credit to Bad Astronomy, which never disappoints! The NASA probe Messenger flew by the planet Mercury last week, sending back the first close-up, high-resolution photos of the solar system's smallest planet. These images are exciting, and BA says it quite well: But there’s a terrible beauty in...
The lab technician retested Khan's blood, and results came back in November. "It was definitely in the lethal range for cyanide in the blood," Cina said. Cook County policy is not to perform autopsies on anyone under 50 unless the death is suspicious or an autopsy is requested. Cyanide is among the most potent and dead...
When Dr. Samuel W. Torrey of Beverly, Massachusetts, died in 1917, his obituary spoke of his reputation as a “skillful surgeon, a sound and searching diagnostician, and a wise counselor and devoted friend in general practice.” Becoming deaf as a young man had not prevented him from receiving a degree from the Universit...
Bring your own bottle This is a typical 17th-century wine bottle. It has a round body and a long neck. It is made from green glass. The bottle was found in Eltham churchyard. Early wine bottles Before the 17th century, people used pottery or leather vessels instead of glass bottles. The earliest glass bottles had round...
General-Purpose Learning Strategies for Test Anxiety Test anxiety refers to a complex of physiological and emotional responses to tension or stress resulting from apprehension for upcoming exams. This state of distress and uneasiness is often marked by muscle tension, headaches, stomach aches, sleepiness or sleeplessne...
Catalyst Volume 22 Issue 3 This issue of Catalyst includes the following articles: The Price of Rice This article looks at how genetics has increased yields of rice, a staple food for billions of people. What Causes the Aurora? The aurora borealis is caused by the interaction of the solar wind with the Earth's magnetic...
The island of Colombia is located in South America and has the third largest Spanish speaking population in the world. Because of its geographical location in relation to the Equator, the climate of Colombia is tropical and isothermal (constant temperature). The tourism industry of Colombia has been rapidly growing sin...
(NaturalNews) According to Finnish researchers, a diet rich in carotenoids such as lycopene and beta-carotene may significantly lower the risk of stroke for men. Higher concentrations of carotenoids in the blood were associated with as much as a 55-59 percent decrease in the likelihood of having a stroke during the 12-...
Wondering why there was a thick layer of fog over the city this morning and afternoon? This fog is called advection fog. It forms as a warm, moist air mass settles over the cooler Lake Michigan waters. Hot and humid air (temps in the 90s, dew points in the 70s) just west of Chicago comes over the cool Lake Michigan wat...
By recycling steel fenders for new cars, the world's airliners could fly almost 100 million miles alone with the energy saved, according to a new study by the University of Colorado for the United Recyclers Group. "The CU study estimates that nearly 11 million vehicles are taken off the road in America each year when t...
Community inDetail, Part 3 Myths and Realities Myth 1: Institutions are the best setting for some individuals with severe intellectual and developmental disabilities. Four groups of people are often cited as the most difficult to serve in the community. - Medically Fragile: Some institution residents have complex medic...
Pope Benedict writes nothing new in Jesus of Nazareth: Part 2 when he states that the Jewish people are not collectively responsible for Jesus’ death. Readers will be pardoned if they think otherwise, since some media outlets have treated the Holy Father’s statements as if they were revelations. Perhaps that’s understa...
Baby's First Website Taking pictures and making movies are great ways to record how your baby has been growing and developing his first year. That way you can always look back and have a clear reminder of this rapidly changing time. As you collect all of these photos and videos, you will soon be wondering how you will ...
Particle looking more like Higgs boson - From: AFP - March 07, 2013 THE subatomic particle whose discovery was announced amid much fanfare last year, is looking "more and more" like it could be the elusive Higgs boson. But in the latest update, physicists told a conference in La Thuile, Italy, that more analysis is nee...
Agave syrup, stevia, honey and other natural sweeteners are all the rage these days, as more people worry that white sugar and high-fructose corn syrup are making them gain weight and increasing their risk for type 2 diabetes. But are natural sweeteners really any better than plain baking sugar? A reality check: For th...
Looking beyond the labels to the essence of food October 9, 2012By Taunya English Sustainable is a word that's going to be corrupted . . . Monsanto uses sustainable in their marketing. So even to build what I'm trying to do around a word like that is sort of pointless because that word will mean less over time." - Dean...
God, Arguments for the Existence of Arguments or proofs for the Existence of God have been proposed by philosophers, theologians, and other thinkers. These arguments have an epistemological dimension (how can one know that God exists?) and an ontological dimension (what is the nature of God’s being?). If God is conceiv...
What is the NIYC? Across the Canadian Arctic, there are four Inuit regions: Inuvialuit Settlement Region (ISR), Nunavut, Nunavik (Northern Quebec) and Nunatsiavut (Labrador). Inuit Nunangat (Inuit homelands) have an estimated 55,000 Inuit living in 53 communities. Inuit youth make up a clear majority of the overall pop...
Community design and public policies can have a significant impact on public health. Many health risks pose threats to the long-term vitality and productivity of cities; for example, by one calculation, the rising obesity epidemic incurs an annual direct and indirect cost of $147 billion. By addressing public health ch...
Curt Stager, a scientist at Paul Smiths College, is publishing an article later this month in the journal Science that describes an ancient drought that transformed Asia and Africa thousands of years ago. The "H1 mega-drought" may have wiped out whole tribes of humans, as it dried up rivers and lakes across whole conti...
"One man with courage makes a majority." —Andrew Jackson Official White House portrait of Andrew Jackson. Official White House portrait of Andrew Jackson. Wikimedia Commons Throughout February, hear new works by contemporary composers based on words of 16 American presidents, in recordings by conductor Judith Clurman a...
This napkin drawing shows a map of Honduras. The dot is where a brand new city would be built, free of the country's ills. This napkin drawing shows a map of Honduras. The dot is where a brand new city would be built, free of the country's ills. Jacob Goldstein/NPR We'll be on This American Life this weekend, with a st...
Resources and tools are available to assist in carrying out requirements and pursuing opportunities for archeological public outreach and education. In addition to those linked within each section of this module, the following sources are helpful. Laws and Policies Full text of laws applicable to archeology outreach an...
A Timeline for Structures at Jamestown Related to the Chiles Family Colonial NHP Collection In 1638-9, Richard Kemp, who served as Secretary of the Virginia colony during the tenure of the irascible Sir John Harvey, built his “brick house” on 3 ½ acres of land to the east of the present-day Ambler ruins. This “brick ho...
Northern Prairie Wildlife Research Center Abstract: The expansion of outdoor recreational activities has increased greatly the interaction between the public and waterfowl and waterfowl habitat. The effects of these interactions on waterfowl habitats are more visible and obvious, whereas the effects of interactions whi...
(NaturalNews) There is only one kind of immunity and that is natural immunity which is achieved by battling the infectious diseases itself. Vaccination is merely the artificial triggering of temporary responses to manmade pathogens. Vaccines are both harmful and dangerous and are leading to generations of humans with n...
|From the Library of Congress G3764.B6S3 1775 .D4| This was just a teeny skirmish during the American Revolution, but I love it because the marsh and the island where it happened belonged to some of my ancestors, and some of the people involved are right out of my family tree. As I tell the tale of the Battle of Noddle...
White grubs are the larvae of beetles. The larvae all have six strong legs near the head, and are white. They vary in other characteristics such as size, head color, and hair patterns on the body. These grubs feed on roots of various plants. Your garden plants, lawn and even potted plants can be attacked by grubs. In g...
State and Local Politics 136 focuses on the structures, powers, and functions of state and local governments in the United States. Particular attention will be given to Virginia and its local governments. Lecture 3 hours per week. ENTRY LEVEL COMPETENCIES Ability to use English language correctly and effectively as ref...
What is the DEC Environmental Dispute Resolution Program? The Environmental Dispute Resolution Program, which is overseen by the DEC Office of Hearings and Mediation Services, was begun in 1996. This program uses a consensus-based process in which a mediator helps parties who are involved in an environmental dispute re...
From Ohio History Central Samuel Galloway was a political leader and public servant from Ohio. He was born on March 20, 1811, in Gettysburg, Pennsylvania. His family moved to Ohio in 1819, and Galloway graduated as valedictorian from Miami University in 1833. He began a teaching career after his graduation and became a...
Feeling down? Mehmet Oz, MD, explains why antidepressants aren't always the best answer. For years now, we've been led to believe that if we're falling behind in the joy department, we need only take a pill to feel calm and content. Yet, as many people are aware, antidepressants have been linked to significant side eff...
Caring for grapevines isn't difficult—just restrain the impulse to make it hard. "The main thing I tell people is 'Don't panic,'" Rombough says. "'Don't freak out. Your grapes can handle an insect or two.'" Prevent problems. Keep pests in check by attracting beneficial insects and removing infected fruit and foliage to...
- Number 333 | - March 21, 2011 An X-ray laser captures the structures of life An X-ray laser captures the structures of life Two studies published recently in Nature demonstrate how the unique capabilities of the world’s first hard X-ray free-electron laser—the Linac Coherent Light Source, located at DOE’s SLAC Nation...
Media Contact: Fred Strohl (firstname.lastname@example.org)| Communications and External Relations New superconductor research laboratory dedicated OAK RIDGE, Tenn., April 19, 2001 A new high-temperature superconductor research laboratory was dedicated today at the Department of Energy's (DOE) Oak Ridge National Labora...
Summary: July1987] ShortCommunications 517 Interisland Variation in BloodDrinking by GalhpagosMockingbirds ROBERTL. CURRYAND DAVID J. ANDERSON· Few speciesof birds are known to feed on the blood of living animals,and the occurrenceof thisbehavior in populations of the Sharp-beaked Ground-Finch (Geospizadifficilis)on Wo...
By Eddie O'Neill What would the Christmas season be without carols? These seasonal songs seem to greet us everywhere this time of year with their familiar melodies and lyrics. Though we may know the first verse and the refrain of a number of Christmas carols, do we know the origin of these songs we sing each December? ...
By Thomas J. Craughwell - OSV Newsweekly, 5/22/2011 From Canada to Chile, devotion to the Blessed Mother runs deep in the Americas. You know that under her title the Immaculate Conception Mary is the patroness of the United States, and certainly you’ve heard the story of Our Lady of Guadalupe. But there are many more M...
WASHINGTON - The largest genetic study of mental illnesses to date finds five major disorders may not look much alike but they share some gene-based risks. The surprising discovery comes in the quest to unravel what causes psychiatric disorders and how to better diagnose and treat them. The disorders — autism, attentio...
Equilibrium inorganic chemistry underlies the composition and properties of the aquatic environment and provides a sound basis for understanding both natural geochemical processes and the behavior of inorganic pollutants in the environment. Designed for readers having basic chemical and mathematical knowledge, this boo...
Colouring the Flower One of the most obvious ways in which flowers differ from one another is in their colour. This colour is usually the result of pigment deposition in the petals, but in some species brightly coloured bracts, sepals or stamens can provide a similarly striking display. The colour of a flower has tradi...
Avoid Discrimination and Encourage Diversity Complying with discrimination laws is not just the right thing to do; it is the law. But you don't have to simply focus on covering the legal basis. Smart employers work hard to encourage diversity as well - along the way taking advantage of every employee's creativity, idea...
One of the fastest, easiest ways to prototype a new design is by using a solderless breadboard. These accept through-hole devices and allow fast, reasonably secure connection of components with a minimum of wiring. An idea for a new circuit can be tried out in minutes instead of hours — and changes to the circuit can b...
Hip Problems, Age 11 and Younger Home treatment may help relieve your child's hip pain, swelling, and stiffness. If your child will cooperate, use the following tips. If your child becomes upset or will not cooperate, do not force your child. - Rest. Have your child rest and protect the sore hip. Have your child stop, ...
A Weekly News Update on Pesticides, Health and Alternatives See PANUPS updates service, for complete information. September 7, 2006 Household pesticides in children: With the phase-out of organophosphate pesticides for use in the home, pyrethroid pesticides are being used for more residential applications. New research...
Fraction interpolation walking a Farey tree We present an algorithm to find a proper fraction in simplest reduced terms between two reduced proper fractions. A proper fraction is a rational number m/n with m1. A fraction m/n is simpler than p/q if m <= p and n <= q, with at least one inequality strict. The algorithm op...
General Motors Company was started by William Durant in 1908. After the stock market panic of 1907, a lot of companies were in dire straits and Durant chose this opportunity to buy smaller car builders and companies that manufactured car parts. He combined these companies and created the General Motors Company. Due to ...
Ali Hussein is the chief of the village council in the small village of Haidarpur Naubasta in Uttar Pradesh, one of India’s most populous states. Ali Hussein’s wife, Kheroon Hussein, assists him in his duties. Ten years ago, their pregnant daughter-in-law fell ill one night. The nearest hospital was nine kilometers awa...
Poetry and folk music have a long and rich tradition in Ireland. And since the turn of the century, many poems and songs have been inspired by the conflicts in Northern Ireland, and between Britain and Ireland. The selections below are a brief sample of how Irish poets and musicians have translated the violence and con...
Marine mammals—highly intelligent, sensitive, social beings—suffer greatly in captivity. The chlorine and copper sulfate used to keep tanks clean has caused dolphins' skin to peel off and may cause them to go blind. Many marine mammals suffer from peptic ulcers, often resulting in death, because of frustration from the...
What are sugar gliders? Sugar gliders are small marsupials, and one of several gliding opossums found in Australia, Tasmania, Indonesia, and New Guinea. Their scientific name is Petaurus breviceps. They have a thin membrane that stretches between their front and rear legs, much like the flying squirrels in North Americ...
& Ladies of the Maccabees Knights of the Maccabees Variously known as the Knights (and Ladies) of the Maccabees, Maccabees of the World, Macabees, Womens Benefit Association. The original early biblical Maccabees were a priestly family of Jews who organized a successful rebellion against the Seleucid ruler Antiochus IV...
Diabetes and the Foot Definition: People with diabetes risk serious and disabling foot complications and even amputation. Recent research has shown that the risk for these complications is greatly reduced with good blood sugar levels. Podiatrist can give much help to feet in diabetes. Diabetes may affect the feet in tw...
Old Christmas Cards Postmuseum has over 10,000 different Christmas cards in its large collections, many from their heyday around the turn of the last century. We have selected 78 Christmas cards by unknown artists. They are good examples of beautiful and popular Christmas cards sent in large quantities at that time. Th...
Before you go shopping for a freezer, decide whether a chest freezer or an upright freezer would better meet your needs. Then choose a model based on size, capacity, and energy efficiency. Placing your model If you plan to keep the freezer in a living area, consider how noisy it is. Most manufacturers say that their fr...
What is a Web Browser? A web browser is a software application used to locate and display Web pages. For example, Microsoft Internet Explorer, Mozilla Firefox, Google Chrome, Opera or Apple Safari. These are considered graphical browsers because they can display graphics and text. In fact, many of the latest browsers s...
Flame Ionisation Detectors The common standard method for measuring organic gas concentration, FID analysers have been used for over 50 years often alongside gas chromatographs. FID analysers work by the pyrolysis of the organic gases in a flame of hydrogen burning at >400˚C in air, producing positively charged ions wh...
CAST - Computation and Science for Teachers introduces computational reasoning and computational tools into the high school math and science curriculum. PSC and its partners are creating the CAST Professional Development Program, an integrated set of modules to train teachers on how to incorporate computational reasoni...
Wed June 20, 2012 Pakistan's 'Burushaski' Language Finds New Relatives ROBERT SIEGEL, HOST: It's like discovering a distant cousin, a really distant cousin. It's like learning that someone you had barely heard of is actually part of the family. In this case, the family is the Indo-European family of languages. And the ...
- THE MAGAZINE - WEB EXCLUSIVES The Matesy GmbH, Jena, Germany, has explored a new magneto-optical sensor type (MO-sensors) for direct field visualization and measurement. Instead of electromagnetic effects, Matesy introduces magneto-optics for two-dimensional magnetic field analysis. The magneto-optical sensor has the...
The Case for Collaboration THE HUNT FOR TEN RED BALLOONS On October 29, 2009, the Defense Advanced Research Projects Agency (DARPA) announced its "Network Challenge." At 10:00 a.m. on December 5, 2009, at ten locations throughout the United States, DARPA would let fly an eight-foot-diameter red weather balloon tethered...
What determines how much coverage a climate study gets? It probably goes without saying that it isn’t strongly related to the quality of the actual science, nor to the clarity of the writing. Appearing in one of the top journals does help (Nature, Science, PNAS and occasionally GRL), though that in itself is no guarant...
Theme: Businesses are under increasing pressure from customers and governments to reduce their environmental impact. This ARI examines the challenges and benefits of adopting an environmental plan. Summary: The threat of climate change creates a responsibility on governments, organisations and citizens alike to play th...
The Little Wood Behind the main camp there were two more crematoria. Krems IV, and V. See 1943 photo of Krematorium IV. They were considerably smaller than II, and III but were still of sufficient size to kill many people each day. The area was cordoned off with barbed wire. Branches of leaves were woven thickly into t...
The diverse causes and styles, the frequency and the losses arising from five Australian floods in 1998 are reviewed in this paper. Though mostly rare, the floods were not as unprecedented as commonly supposed. Damages to agriculture and infrastructure were significant, and probably over 10,000 houses experienced over-...
The immediate threat of eruption at Mt Tongariro has passed but there remains a chance of another sudden eruption within the next two weeks, GNS Science says. Twenty-four hours after the eruption from the mountain's Te Maari crater, GNS Science has cancelled its national advisory. However, it says there remains a ``sig...
Queensland’s Central Highlands consist of a broad band of weathered sandstone plateaus, thickly wooded and spectacularly sculpted into sheer cliffs and pinnacles. It’s an extraordinarily primeval landscape, and one still visibly central to Aboriginal culture, as poor pasture left the highlands relatively unscathed by E...
Rabies in South Carolina Rabies (Lyssavirus) is a deadly animal virus that attacks nerves in the spinal cord and brain. The virus can be passed to a healthy animal or a person if saliva from an animal with late-stage rabies gets into a wound or cut. In South Carolina, rabies is most often found in: It is also common in...
The Northern Lights: The True Story of the Man Who Unlocked the Secrets of the Aurora Borealis by Lucy Jago. Alfred A. Knopf, $24, 297 pages. The Chapel Hill News April 28, 2002 Honoring an Overlooked Scientist By Phillip Manning "It's easy to recognize pioneers," a venture capitalist once told me, "they have arrows in...
One geoengineering proposal involves painting buildings white on a massive scale, to reflect sunlight [LONDON] Decisions on whether and how to use massive technical solutions known as 'geoengineering' to mitigate or reverse climate change must involve developing countries, a session on geoengineering governance at the ...
Keeping your baby fat turns out to be a good thing, as long as it is "brown fat"—the kind that burns calories, according to a study that found adults have much more of this type of fat than previously thought. The results, which suggest a new way to treat obesity, were presented at The Endocrine Society's 91st Annual M...
COLD SPRING HARBOR, N.Y. (Tues., June 1, 2010) -- Gel electrophoresis is one of the most important and frequently used techniques in RNA analysis. Electrophoresis is used for RNA detection, quantification, purification by size and quality assessment. Gels are involved in a wide variety of methods including northern blo...
Mar. 21, 2008 A new genetic analysis suggests that the parasitic worm Schistosoma mekongi is more widespread than previously thought. According to the study, the human population at risk of infection could be up to 10 times greater than previously estimated. Furthermore, it posits an increased possibility of the spread...
July 5, 2008 In the first study of its kind, using sophisticated methods to measure body composition, the nationally known commercial weight loss program, Weight Watchers, was compared to gym membership programs to find out which method wins in the game of good health. A University of Missouri researcher examined the r...
June 25, 2009 We all know why Starbucks puts boxes of breath mints close to the cash register. Your morning latte can create a startling aroma in your mouth, strong enough to startle your co-workers too. But intriguing new research from Tel Aviv University by breath specialist Prof. Mel Rosenberg of TAU's Sackler Facul...
A routine construction dig has turned up a fossil skull that is giving scientists a better glimpse inside the head of our ancient predecessor Homo erectus. According to a report published today in the journal Science, the find suggests that the H. erectus population that occupied the island of Java was isolated from ot...
Obviously, birds sing. But mice? [Mice song sound.] That’s a mouse song. Researchers have known about these high-pitched squeaky songs for years. But they only recently discovered that mice can learn the songs of other mice. Such vocal learning is a rarity among animals. We know of only three kinds of birds—parrots, hu...
- A spinal cord injury can happen to anyone at any time. - There are 600 new spinal cord injuries every year in Ontario (more than one a day) and current estimates indicate that there are approximately 33,140 Ontarians living with spinal cord injury. (Urban Futures Institute Report, 2010) - In Canada there are more tha...
Have you been worrying over how much the rich have to pay in taxes? Did you experience a warm glow of relief on learning that the French actor Gerard Depardieu has escaped his tax liabilities as a French citizen by acquiring a shiny new Russian passport? No, I thought not. Yet the debate about how much the rich should ...
Foundation for Developmental Disabilities Individuals living with a developmental disability like cerebral palsy, epilepsy, autism or intellectual disabilities, face many challenges in the course of learning, working, and living in the community. The Foundation for Developmental Disabilities, serving the San Diego and ...
The River Otters are found throughout Alaska, Canada and the northern United States, and are hence named the North American River Otter. They are slightly larger than our native European otter and are probably the most numerous Otter species in the wild. They live in a variety of habitats, but spend most of their time ...
(Sen) - China will launch an unmanned lunar rover in the second half of 2013, according to the State Administration for Science, Technology and Industry for National Defence, reported the Xinhua news agency this week. Chang'e-3 will be China's third Moon orbiter and has the aim of landing a robotic rover on the lunar s...
Information about SET-BC Services for Families of Children with Disabilities Families of Children with Disabilities What is assistive technology (AT)? Assistive technologies are tools (devices, software or hardware) that can help students with special needs to achieve their educational goals. These tools may be as simp...
Moving a turbine without any interfering veins? Only using smooth discs and adhesion with the air? The Tesla Turbine, made by Nikola Tesla, was certainly a marvel in its time. But this is no ordinary Tesla Turbine, but a Perez - Tesla Turbine. The Tesla Turbine was made to be simple and elegant. Pressurized air entered...
The Long Walk Home The Black Worker & The Great Migration from Cape Breton At the turn of the century, a mass migration occurred to Cape Breton Island of hundreds of free, skilled Black workers from Alabama, lured by what they called 'The Promise.' Their emigration back to the US is scarcely known today. In 1911, hundr...
Okay, suppose you have a 5.5 gallon aquarium (16"x9"x8"), and suppose all six faces (including top and bottom) of the aquarium could be allowed to contact air and radiate freely (maybe give it legs, like a table). That's 688 sq inches = 0.444 sq meters of surface area. Based on conductive and radiative heat loss models...