Latest Post -:
“The Knowledge Library”
Knowledge for All, without Barriers…
An Initiative by: Kausik Chakraborty.
“The Knowledge Library”
Knowledge for All, without Barriers……….
Knowledge for All, without Barriers…
As colder weather approaches, what changes do you make? You probably start to wear heavier clothing, including long pants, long-sleeved shirts, and coats. You may also break out the gloves and a hat if the temperature drops below freezing. But do you think about …
Jellyfish are very simple sea creatures that have lived in the oceans since before the time of the dinosaurs. Found in every ocean around the world, some jellyfish live in deep, cold water, while others prefer warm, shallow coastal waters. …
Since 1990, each November has been set aside as Native American Heritage Month. During this month, people all over the United States celebrate and recognize the major contributions the first Americans made to the establishment and growth of the country. Much of what we know about …
Bodies of water have always presented challenges to engineers. In the early days, rivers were powerful avenues of commerce. Sooner or later, though, people just wanted to get to the other side of them. Boats, such as ferries, were the earliest …
Anteaters — sometimes called “antbears” — are four species of mammals from the suborder Vermilingua. The four species include the Giant Anteater, the Silky Anteater, the Southern Tamandua, and the Northern Tamandua. The Giant Anteater, as you could probably guess, is the largest of these species. It grows to …
Many young soccer players around the world have the same dream: scoring three goals in a game. They want to join the ranks of Lionel Messi, Carli Lloyd, Cristiano Ronaldo, and Megan Rapinoe. With enough practice, they, too, just might …
You probably haven’t thought much about having a hard time seeing big things. After all, big things are big, right? That usually makes them easy to see. But what about big things that are far, far away? Some of the …
Ear wax — what doctors call “cerumen” (pronounced “sa-roo-men”) — is made in the outer ear canal. That’s the area just inside the fleshy part of the ear on the outside of your head. Special skin glands in that part of …
Each year, as summer turns to fall, hurricanes begin to appear. These large storms usually occur in the southern Atlantic Ocean, Caribbean Sea, Gulf of Mexico, or the eastern Pacific Ocean. Sometimes people think hurricanes are like big tornadoes. They’re actually quite different, …
Left-handedness — sometimes called “sinistrality” — means you prefer to use your left hand rather than your right hand for routine activities, such as writing. Most people who have studied left-handedness believe that approximately 10 percent of the people in the world …
Most people are familiar with liquid ink that can be found in pens. If you have experience with computer printers, you also know about liquid ink that comes in cartridges. There are even thick, pasty inks that professional printers use to print artwork and …
Is it magic? Nope! It’s science — and it’s all about water. The regular white glue most students know so well is made up of a variety of chemicals called polymers. These polymers are long strands that are either sticky or stretchy. Glue manufacturers have …
If you look up at the night sky, you may see the moon, stars, and even distant planets. Some of these objects may be millions of miles away. Isn’t it amazing what you can see with your eyes? Would you …
The laws of physics show that every piece of glass — actually, every material on Earth — has a natural resonant frequency. That frequency is the speed at which it will vibrate if struck. For example, wine glasses are especially resonant because of their hollow, tubular shape. If …
Have you ever stopped to think about exactly how that little pink piece of rubber at the end of your pencil is able to erase what you’ve written? Is it magic? Nope! There’s a perfectly logical, scientific answer. Before we get to how …
Hurricanes are defined by their extremely strong winds that can blow from 75 to 200 miles per hour. Unlike tornadoes, which usually last just a few minutes or less, hurricanes can last longer than a week. They usually travel slowly at …
Basically, anything with a smooth surface that reflects almost all of the light that hits it — with only very little light absorbed or scattered — can be a mirror. The key factor is a smooth surface because rough surfaces …
To figure out how many seconds there are in a year, we’re going to need to know a little math. To convert a certain quantity to a different unit of measure, we need to figure out what is called the conversion factor. To do this, we need to …