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evaporation, change of a liquid into vapor at any temperature below its boiling point. For example, water, when placed in a shallow open container exposed to air, gradually disappears, evaporating at a rate that depends on the amount of surface exposed, the humidity of the air, and the temperature. Evaporation occurs b...
Economics Online Tutor Balance of payments is not the same thing as balance of trade. Balance of payments: a record of a country's trade with the rest of the world. This record includes transactions involving accounts in goods, services, and financial assets. Balance of trade involves only one such account, as explaine...
On this day in 1942, General Montgomery breaks through Rommel's defensive line at El Alamein, Egypt, forcing a retreat. It was the beginning of the end of the Axis occupation of North Africa. In July 1942, having already taken Tobruk, Gen. Erwin Rommel and his mixed German-Italian forces attempted to push through the B...
To teach the children that even though we may not always be able to control the things that happen to us, we can control our attitudes. Study the lesson and decide how you want to teach the children the scripture account (see “Preparing Your Lessons,” p. vi, and “Teaching from the Scriptures,” p. vii). Select the discu...
Stages of Wilms' Tumor Staging refers to the extent of a cancer within the body, including whether the disease has spread from the original site to other parts of the body. In order to stage a disease, doctors perform exams and tests to learn more about the disease, especially to see whether the disease has spread from...
Thermodynamic Terms and Conventions We define the internal energy in molecular terms in another section, but it is important to realize that we can deal with this property purely in macroscopic terms as well. Thus we can talk about the internal energy of a substanceA material that is either an element or that has a fix...
Of Russian origin: Zemsky Sobor The term “zemsky sobor” is translated as “assembly of the land”. In the 16th–17th centuries, it was an assembly of different social class representatives, which gathered usually on the Tsar’s orders to discuss important political and economic questions. It can be called first Russian par...
During the eighteenth century, Cayuse Indians lived along the headwaters of the Walla Walla, Umatilla, and Grande Ronde Rivers, in present-day Oregon and Washington. Today, most Cayuses live in Umatilla County, Oregon, and in regional cities and towns. Largely because of their enormous herds of horses, the Cayuses beca...
Nativity, a theme in Christian art depicting the newborn Jesus with the Virgin Mary and other figures, following descriptions of Christ’s birth in the Gospels and Apocrypha. An old and popular subject with a complicated iconography, the Nativity was first represented in the 4th century, carved on Early Christian Roman ...
Simple Harmonic Motion Simple harmonic motion (SHM) is the back and forth motion of objects around a point. Swings, trees swaying in the breeze, pendula, a boat bobbing on the ocean, and the swinging of your relaxed arm as you walk are all examples of SHM. For SHM to occur there must be a force that pushes the object b...
Following a decree by the Persian King Cyrus, conqueror of the Babylonian empire (538 BCE), some 50,000 Jews set out on the first return to the Land of Israel, led by Zerubbabel, a descendant of the House of David. Less than a century later, the second return was led by Ezra the Scribe. Over the next four centuries, th...
British Columbia's system of government has three branches: judicial, executive, and legislative. The function of the judicial branch is to interpret the law, resolve disputes, and defend the Constitution including the Canadian Charter of Rights and Freedoms. This role requires that the judiciary be distinct from, and ...
A doctoral student in mechanical engineering at the University of Delaware has designed a new type of reactor that produces hydrogen using nothing more than concentrated sunlight, zinc oxide, and water. And best of all, the zinc oxide used by the reactor can be reused, meaning that once the reactor is up and running, i...
Case Study: An Overview of Nationalism, Political Reform and Nation States Amidst all of the discord in the French Revolution, there churned the ingredients of one of today's most prolific ideologies nationalism, or the devotion to the interest or culture of a particular nation. In extreme cases, nationalism has led to...
Plastics are all around us. There are many different kinds, with a wide range of properties. Some are hard, others are soft. Some are transparent, others are opaque. Most plastics are made in factories, but here’s one you can make at home. For this experiment you will need: Here's what to do: The material you have made...
The entire sky of Warsaw was red. Completely red. —Benjamin Meed (oral history) On April 19, 1943, the Warsaw ghetto uprising began after German troops and police entered the ghetto to deport its surviving inhabitants. By May 16, 1943, the Germans had crushed the uprising and left the ghetto area in ruins. Surviving gh...
What is head and neck cancer? Head and neck cancer is an umbrella term that refers to cancer that begins in the head or neck region of the body. The types of head and neck cancer are named after the area in which they originate, such as oral cancer, which forms in the oral cavity, and throat cancer, which develops in t...
Sickle cell disease is also known as sickle cell anemia. It is an inherited type of anemia. Sickle cell disease occurs when there are not enough healthy red blood cells to transport oxygen throughout the body. About 90,000 to 100,000 people in the United States have sickle cell disease. Sickle cell disease is character...
Recent research has shown that the moon phases affect the rain on Earth. When the moon is positioned overhead its gravity interferes with Earth’s atmosphere thus making it to bulge so that the pressure goes up. Scientists said that this phenomenon is like enlarging a container at a very high pressure. Moreover, rain ca...
13 September – On this day The Battle of Tangier, also known as the Siege of Tangiers, refers to the attempt by a Portuguese expeditionary force to seize the Moroccan citadel of Tangier, and their subsequent defeat by the armies of the Marinid sultanate of Morocco. The Portuguese expeditionary force, led by Prince Henr...
Creating your own Systems of Equations Lesson 10 of 13 Objective: SWBAT create and solve systems of equations based on their own formulated real world circumstance Launch (Warm up) The warm up exercises (Warmup Creating Systems) in this Launch section access students' prior knowledge and give me a good picture of stude...
The origin of hunting behavior may come from two sets of neurons tucked deep in the forebrain of most vertebrates, a new Yale University research suggests. Activating these neurons in living mice prompt them to pursue never-seen-before prey and to bite everything in their path, even sticks and bottle caps, the research...
Over the past two weeks, the students have been learning about three-dimensional modeling. After reviewing the different characteristics and different types of two-dimensional shapes, they began exploring three-dimensional objects. Many of the students struggle with visualization, especially involving three-dimensional...
Stars wrapped in warm, dusty disks sound cozy, and in cosmic terms, they are. They are the incubators in which planets like our own rocky, and fairly close to their parent sun are most likely to form. In these disks, dust is coalescing and tiny chunks of rock are colliding to become larger masses of matter and, over th...
Whenever we experience heatwaves or cold snaps, droughts or floods, people want to know: was this due to climate change? And until about a decade ago the response was: we don’t know. We can’t link specific extreme weather events to climate change. Now things have changed. While we can’t say climate change caused an ext...
Having to negotiate and deal with conflict is part of all our relationships — whether it’s working out how to take turns on the playground swings, how to share responsibilities for a class project, or how to share household responsibilities in an equitable way. Helping kids learn to deal with conflicts in healthy ways ...
On October 25, 1923, President Calvin Coolidge signed a proclamation creating Carlsbad Cave National Monument to protect Carlsbad Cavern and the area around it—nearly 720 acres—for its “extraordinary proportions and… unusual beauty and variety of natural decoration…” In 1930, the monument was designated as Carlsbad Cav...
Plant of Berlin-Marienfelde, production of aircraft engines, 1939. The most important line of business was truck production, whilst passenger-car manufacture – already limited to military requirements since the beginning of the war – was in decline and virtually came to a standstill by the end of 1942. The company was ...
Can you explain the layered structure of the earth? Crust- Oceanic and continental crust. They are both solid. Continental has a granite composition and the oceanic has a basalt composition. They have a temperature of up to 900 degrees cecius. Mantle- This includes the astennosphere and the mantle. The mantle is made u...
The caliph was often known as Amir al-Mu'minin, or "Commander of the Believers". Muhammad established his capital in Medina, and after he died it remained the capital for the Rashidun period. The first caliph to be called Amir al-Mu'minin was Abu Bakr Siddique, followed by Umar ibn al-Khattāb, the second of the Four Ri...
8 Transcontinental Railroad Facts for Kids The Transcontinental Railroad was one of the key accomplishments of its era. It made the movement of people and goods possible in a time when travel and transport was difficult at best. In 1862 the Pacific Railroad Act was passed and tasked the then Union Pacific and Central P...
This is a thorough and engaging slideshow presentation that will teach your students how to make and use negative informal commands in Spanish. This slideshow is meant for student who are familiar with conjugating in the subjunctive tense, and have also mastered the use of Indirect and Direct object pronouns. This slid...
The commutative property of addition is one of four basic properties that your child will use in math. All of the worksheets below will focus on this property. I've prepared lessons on the other properties of addition. You can find them all at the bottom of this page. Now let's get into the Commutative Property. First ...
Just like humans, wild creatures need water, food, shelter and space in order to survive. The four basic habitat elements also need to be arranged in a particular way to suit each species. A moose, for instance, needs far more space than a mouse. Some desert creatures can survive very nicely without ever drinking water...
You can watch the real work in a companion video on YouTube. In calculus 101, you learn integration and differentiation for solving things like acceleration, area and volume. If programmers don’t know the formula for something like that, they know how to get a pretty good answer by writing a loop. If that’s not accurat...
Caracara is a genus of birds of prey in the family Falconidae found throughout a large part of the Americas. They are part of a group collectively referred to as caracaras. The modern species in the genus Caracara were previously considered conspecific (as “crested caracara”, a name still widely used for the northern c...
The Distant Sun Earth reaches aphelion on the 4th of July. Curiously, our planet is warmest when we are farthest from the Sun. Earth does travel around the Sun, but the path is not a perfect circle. It's an ellipse, slightly lopsided. One end is a bit closer to the Sun than the other. On July 4th, 2003, our planet will...
Women of high-altitude backgrounds, such as indigenous Andean cultures, have increased blood flow to the uterus, and subsequently give birth to larger babies at high altitude, than women without this background. Low birth weights are associated with numerous conditions of poor health and infant mortality. Healthy birth...
Polar Antarctic Ecosystem at Risk: Impact of Global Warming's Sunlight Deep beneath the polar ice, communities of fan worms and sponges thrive in Antarctic waters. These species, though, may soon face some massive shifts; researchers have discovered that slight changes in the timing of the annual loss of sea ice could ...
Musical elements of the Romantic Era were defined by the expression of the artists' emotions. Music from the time of the French Revolution to the beginning of WWI is considered to be from the Romantic era. The preceding Classical Era was defined by its strict balance and restraint, but the Romantic Era ushered in a tim...
In Borneo, an island shared by Indonesia and Malaysia, some of the world’s oldest tropical forests are being cut down and replaced with oil palm plantations at a breakneck pace. Wiping forests high in biodiversity off the land for monoculture plantations causes numerous environmental problems, from the destruction of w...
The world is suffering from a global bullying epidemic. According to the 2007 Kandersteg Declaration Against Bullying in Children and Youth, 200 million children around the world are being bullied by their peers at school, on the playground or online. As a result, victims of bullying tend to miss class, perform poorly ...
Myopia, or nearsightedness, is a refractive error, which means that the eye does not bend or refract light properly to a single focus to see images clearly. In myopia, close objects look clear but distant objects appear blurred. Myopia is a common condition that affects an estimated 25 percent of Americans. It is an ey...
The Aristotelian or classical argument is a style of argument developed by the famous Greek philosopher and rhetorician, Aristotle. In this style of argument, your goal as a writer is to convince your audience of something. The goal is to use a series of strategies to persuade your audience to adopt your side of the is...
Students learn the definitions of a trapezoid, an isosceles trapezoid, and the median of a trapezoid. Students also learn the following theorems related to trapezoids. The base angles of an isosceles trapezoid are congruent. The median of a trapezoid is (a) parallel to the bases and (b) has a length equal to the averag...
Hundreds of tracks discovered along Scotland’s coast show that huge, long-necked dinosaurs once trod there. The footprints form the largest dinosaur site ever found in Scotland. They also show that sauropods, which included the largest dinosaurs of all time, were at home along the shore. The giant dinosaurs' relationsh...
Two-dimensional art refers to any artwork depicted on a flat surface, typically paintings, sketches, photographs or prints. The two key components of two-dimensional art are media and composition.Continue Reading Aside from differences in subject matters, two-dimensional art is also executed using a variety of techniqu...
Global Climate Issue The total amount of Earth's ice has been melting and is increasingly decreasing in size in different parts of the world. Studies have shown liable evidence that repeats itself in different parts of the world. According to the Jet Propulsion Laboratory in Pasadena, CA, Greenland melted 53 cubic mile...
shock partisan detachments organized in the rear of Hitler’s army by the Italian Communist Party during the period of the Resistance Movement in 1943-45. They were named in honor of G. Garibaldi. The first Garibaldi Brigades appeared in November 1943; in April 1945 there were 575. Each brigade consisted of 40 to 50 mem...
One of the most challenging advances in human-machine interfaces is the use of a brain-computer interface (BCI) to communicate a user's intention to a computer by passing the classical hand input interfaces such as keyboard, mouse and touch-pad. However, recent research in BCI has shown impressive capability for contro...
If you look closely at the small veins stretching out from the stem of any spinach leaf in your salad, you’ll notice that they’re small and delicate — not unlike those that pump blood through our hearts. Scientists from the Worcester Polytechnic Institute in Massachusetts have now used these similarities in an effort t...
Zinc is one of the eight essential trace elements that plants need for normal growth and reproduction. Nearly 10% of all proteins in biological systems need zinc for their functions and structure. Plants require zinc in small but critical concentrations for several key actions, including: membrane function, photosynthe...
Last week’s blog post was about whether or not social media has a place in the classroom. This week we will explore how we can better equip our children with the tools to decipher if the resources they find are credible. As an adult, I would like to think that we are better equipped to differentiate between legitimate ...
IEEE 754-2008: A standard for floating Point Numbers IEEE 754 are a floating point numbers which is a significant data type. This data type is used in computation of the two types of arithmetic, which are executed in computers and hardware store and process things. The IEEE 754-2008 standard is now used by many compute...
When measuring the speed at which far-flung galaxies move, do scientists factor in account that they are seeing the way the galaxies moved in the past? Could this impact Hubble's Law? Let's start with the basics: Our universe is expanding. How do we know this? Astronomers have piled up observations, over many decades, ...
The pKa can be derived by taking the negative logarithm of Ka so that pKa = minus log(Ka). Ka is known as the acid dissociation constant and is a measure of the strength of the acid. The pKa is the acid disassociation constant on a logarithmic scale, and acids with a pKa below minus 2 are considered strong acids.Contin...
As your child learns to read, he or she is actually combining many kinds of knowledge and skills. ABCmouse.com is designed to help with all of them. Every letter in the alphabet represents at least one sound; many letters can represent different sounds, depending on what words they are in. The letter b, for example, ha...
Greenhouse effects... also on other planets Our planet is warming up, and experts warn that the consequences will be serious. To see precisely how the process works, scientists need as much information as possible and from many different sources. There are valuable clues out in space. ESA's missions to Venus, Mars, and...
The seven stone, four-foot tall female roamed forests 4.4 million years ago – a million years before the previous oldest discovered fossil. Her skeleton promises to fill in gaps about how we became human and evolved from apes. It has already reversed some common assumptions of evolution. Rather than humans evolving fro...
Tia Ghose, LiveScience Staff Writer Date: 10 January 2013 Time: 12:51 PM ET A 1,500-year drought in Australia may have led to the demise of an ancient aboriginal culture, a new study suggests. The results, published Nov. 28 in the journal Geophysical Research Letters, show that geological traces of a mega-drought in th...
In this activity your child uses fruit to learn about fractions. What you’ll need: - A book about fractions - An apple or an orange - A knife to cut the fruit Here’s how to do it To review fractions with your child, read a book about fractions such as Eating Fractions by Bruce Mcmillan, Ed Emberley’s Picture Pie: A Cir...
A String of 'Cosmic Pearls' Surrounds an Exploding Star Two decades ago, astronomers spotted one of the brightest exploding stars in more than 400 years. Since that first sighting, the doomed star, called Supernova 1987A, has continued to fascinate astronomers with its spectacular light show. NASA's Hubble Space Telesc...
Many students finding understanding the language in "The Canterbury Tales" a little difficult. Use these sample questions to review the information in the Wife of Bath's story. The Wife of Bath's Prologue As with most of the Canterbury Tales, The Wife of Bath's Tale opens with a Prologue that introduces the reader to t...
A Trait tends to come directly from the parent to the child. The odds then are very good that it’s a dominant trait. A trait can also skip a generation or come out of nowhere, and then the odds are it’s a recessive trait. If the two traits from your parents blend, then it is neither a dominant nor a recessive trait. Ou...
Here is another fun way to practice spelling and phonics skills. All you need are some plastic letters and my Elkonin Boxes. Please click here for a link to download the boxes from a previous post. There is an interesting sequence that parents should be aware of in spelling and phonics. Children learn to recognise soun...
Exactly how music enhances learning is not clear, but scientists believe that when children receive music instruction, their brains form connections between neurons in patterns that help them to do higher reasoning. Not only this, but it can help increase overall intelligence by shaping the types of attitudes, interest...
The oldest rocks, the gneisses and schists of the Archean period, form nearly the whole of the Central Plateau, and are also exposed in the axes of the folds in Brittany. They consist for the most part of red and grey gneisses and granulites, with subordinate layers of granite and granitite. The difference between schi...
Etymology is the study of a word’s development over time. More technically it is defined by Merriam-Webster to be “the history of a linguistic form (as a word) shown by tracing its development since its earliest recorded occurrence in the language where it is found, by tracing its transmission from one language to anot...
DURHAM, N.C. - What do a tree and the Eiffel Tower have in common? According to a Duke University engineer, both are optimized for flow. In the case of trees, the flow is of water from the ground throughout the trunk, branches and leaves, and into the air. The Eiffel Tower's flow carries stresses throughout the structu...
The site where The Jack Spratt Coffee House is said to be where one of the first sit-ins to protest racial in equality took place. During the winter of 1942 the coffee shop refused top serve people of color. As a result, Civil Rights Activist James Farmer organized a sit-in and founded CORE (Congress of Racial Equality...
Snow leopards are in trouble - and only humans can help. One of the most exotic and elusive “big cat” species known to mankind, snow leopards are facing extinction due to a variety of factors, but countries are stepping up efforts to protect these animals from poachers, local communities and the effects of changing wea...
Thursday, October 29, 2009 Monday, October 26, 2009 Today's new concept was "Here there is/are____" "Here there are no_____" in preparation for the reader we're working with in class (which will be coming home next week). In Chinese, you say "Zhe li you______" to tell someone what is there. "Zhe li" means here, "you" m...
By: Elizabeth (E-Beth) Leach Slavery: the state of a person who is a chattel for another. For centuries, slavery has existed in the form of abusive relationships where one gains financial or material benefits at the expense of the other’s livelihood. One of the most infamous global practices of slavery was that of the ...
Monday, August 2, 2010 John Hancock (1737-1793) was leader in the American Revolution and the first person to sign the Declaration of Independence in 1776. He signed his name in large and bold strokes in order that all could see it. His famous signature is referred to today when people say that they have "written their...
What to do with this activity? 3-D means three dimensional - something that's solid and that you can measure in three directions - width, height and depth. Drawing is always flat or two dimensional - but it's possible to give the illusion of depth with some tricks and shading. Have a look at this video which shows you ...
Like everything in our lives so does the lesson need to have some way of starting. Let's name the starting of the lesson the introductory routine. Routine in a lesson is similar to habits; if you want to shape yourself in the desired way and achieve a lasting result, you need to repeatedly do things that will lead you ...
How to Draw the Solar System on a Centimeter ScaleBy J. Eric Loberg Drawing the solar system on a centimeter scale will require you to draw a representation that isn't very big. Draw the solar system on a centimeter scale with help from the manager, lecturer and program planner at the Taylor Planetarium at the World re...
Suitable for grades: Expand a product term which has sums with variables as factors. A product term whose factors are a product or number and a sum has to be expanded. The term may contain up to three variables. The shape of the term to be expanded may be one of these: The term can be chosen to be - one of group a, whi...
Sleep is the body’s natural rest cycle. The recommended hours of sleep for an adult are 6-8 hours, whereas children can require 8-10 hours (11-14hours for infants). Sleep occurs in repeating periods, alternating between two distinct stages- NREM (non-rapid-eye-movement) and REM (rapid-eye-movement) sleep. NREM comprise...
Each year, we welcome thousands of children into our theatre. Some of these children are participants, while others walk through our doors as supportive spectators. We understand that fostering an appreciation and an affinity for the arts at a young age will have a lifelong impact. Involvement in the arts has the abili...
Break out the Ray-Bans. The amount of sunlight reaching Earth's surface appears to be growing. The phenomenon, which some dub "global brightening," presents scientists with a puzzle. If the trend is real and global, how long will it last and what are the consequences for climate change, the planet's water cycle, and ot...
How to Teach the Paragraph Writing instruction does NOT need to be difficult. If your students can write a paragraph, your students can write anything from an essay, to a research report, to an in-depth story. It all starts with one simple trick. Teach this trick in minutes, have your students practice it several times...
School garden teaching tips & tools to help with lesson guides, establishing gardens and many more resources. Young Dark Emu, by Bruce Pascoe – a great resource for teachers, students and people of all ages! Published in 2019 – a must read and key tool for all school garden (history, social science, …..) programs. Aust...
Definition - What does Neutron Radiation mean? Neutron Radiation is a type of ionizing radiation that consists of free neutrons. It releases various neutrons from the atoms as a result of nuclear fusion and fission. These neutrons react with the nuclei of other atoms to create new isotopes that can produce radiation in...
Few things are scarier to a pumpkin farmer than the letters CMV. They stand for cucumber mosaic virus, a pathogen that lays waste to entire fields of pumpkins, cucumbers, and melons. Now, researchers have found a way to quickly develop vaccines that could eventually protect crops from viral pathogens. “This is a really...
These emergency lesson plans for Reception Class Literacy are only to be used by supply teachers who are faced with no planning or easily accessible resources. Recap on sounds already learnt. Ask students to tell you sounds they know. Write, or use students name labels, and ask them to identify their own name. Discuss ...
This blog is not about May-December relationships. Instead, it is about an activity that can show students how the scientists on our expedition use fossils they find in the cores to help determine the ages of the seamounts we are drilling. The paleontologists onboard know a lot about fossils, including when the organis...
They are probably the toughest creatures on Earth, and now we know how they manage to survive years of complete dehydration. Water bears, or tardigrades, have been recorded surviving the vacuum of space, high doses of radiation and pressure. These water dwelling creatures can also survive dry environments in a shrivell...
If You're Happy and You Know It... By Randi Masa Emotions was the topic of the week in many of our Arts Playschool classes! We used a variety of arts enriched activities to encourage our students to be mindful of their emotions. The Arts Playschool children learned to name emotions and explored which facial expressions...
“Lampreys are delightfully bizarre fish — and vastly underappreciated for the role they play…in ecosystems.” Center for Biological Diversity Pacific lampreys are ancient animals, emissaries from the Paleozoic era. For 500 million years, these eel-like fish evolved and adapted, inhabiting the Columbia River and its trib...
The Thymus Gland is very closely associated with the immune system as compared to the endocrine system, despite the fact that it contains glandular tissue and produces several hormones. The Thymus plays an important role in training and development of T-lymphocytes or T cells – a highly important type of white blood ce...
How a solar eclipse helped solve an oceanographic mystery During WWII, widespread use of sonar helped naval oceanographers discover the ‘deep scattering layer’—a strong reflection on their sonar screens that rose from the depths at night and sank back down with morning light (submarine captains quickly began to use thi...
Heterotrophs are organisms that ingest organic carbon from other sources to produce energy and maintain their own life. Heterotrophs are not able to produce their own food through photosynthesis and therefore wholly depend on autotrophs for food supply. Heterotrophs include herbivores, omnivores, and carnivores that co...
Paper , Order, or Assignment Requirements Vocal Melody Introduction Read Chapter 6 (attached) A melody is what we sing or hum, the main focal point of a song. For example, if you hum Happy Birthday (without the words), you are vocalizing the pitches of the melody. In order to have a melody, the pitches need to be defin...
Students will consider different points of view in a situation from Light From the Yellow Star. - Students will consider the feelings and motivation of people in Dr. Fischís story. - Students will think about the different ways people can react to the same events. Occupied, ghettos, boxcars, destination Read page 10 in...
Print the puzzles or type the solution on this excel file: 10-factors 807-814 One of my education professors taught that you can teach any concept with a picture book. I recently read the book, Stick and Stone, to a class of 6th graders. Yes, 6th graders. You can get away with reading something way below grade level if...
Key Notes for Maths Subject for CBSE Class 10 Students are given here. Important topics of CBSE Class 10th Maths are covered. These notes will provide you overview of all the chapters and important points to remember. These are very useful summary notes with neatly explained examples for best revision of the Maths book...
- Project plans - Project activities - Legislation and standards - Industry context Last edited 16 Jan 2020 Efflorescence is a crystalline, salty deposit that can occur on the surfaces of bricks, masonry or concrete. It is generally a white or off-white colour with a powdery appearance. While not a risk structurally, i...
Science labs usually ask you to compare your results against theoretical or known values. This helps you evaluate your results and compare them against other people’s values. The difference between your results and the expected or theoretical results is called error. The amount of error that is acceptable depends on th...
Although I basically understand, that how the Himalayas formed, it has always confused me how did the vast high Tibetian Plateau came into existence behind it? And what would be its future, is it expected to remain as such for a long time? Per yesterday's What-If, If you make a building too big, the top part is heavy a...

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