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…
The silk is produced in silk glands with the help of the spider’s spinnerets. Spinnerets are special organs that allow the spider to decide what type of thread it needs for the web. The silk threads can be thick or thin, dry or sticky, beaded or smooth. The threads a …
Cyanoacrylate is an acrylic resin that forms its strongest bond almost instantly. The only thing it requires to set is water. Since almost every object has at least tiny amounts of water on its surface, superglue does a super job …
Scientists say the chances of two snowflakes being exactly alike are about 1 in 1 million trillion. That’s a one followed by 18 zeros, so it’s very unlikely! Meteorologists think there are 1 trillion, trillion, trillion (a one with 36 …
एक ग्रामीण था। वह अनपढ़ था। वह पढ़ना-लिखना नहीं जानता था। उन्होंने अक्सर लोगों को किताबें या पेपर पढ़ने के लिए चश्मा पहना हुआ देखा था। उसने सोचा, “अगर मेरे पास चश्मा हो, तो मैं भी इन लोगों की तरह …
1. UPBEAT (ADJECTIVE): (उत्साहित): optimistic Synonyms: cheerful, cheery Antonyms: pessimistic Example Sentence: He was upbeat about the company’s future. 2. EXACERBATE (VERB): (ख़राब करना): aggravate Synonyms: worsen, inflame Antonyms: calm Example Sentence: The exorbitant cost of land in urban areas only exacerbated the problem. 3. …
Made from the grains of the oat plant, the dish we know as oatmeal is made from ground oat groats (sometimes called “milled oats”), steel-cut oats or rolled oats. Oat groats are the seeds of the oat plant with the hulls removed. If the groats are cut into …
In 1895, German physicist Wilhelm Roentgen was experimenting with electricity in a special tube. He wanted to find out how electricity would act in a vacuum. For that reason, Roentgen removed as much air from the tube as possible. That allowed electrons to move at a …
When a new invention is created, developers often invest thousands — or even millions — of dollars into the product or idea. Once the invention is complete, how do they prevent others from stealing their idea and unfairly profiting from …
Everything in the world consists of tiny particles called “atoms.” Atoms contain even tinier particles called “protons,” “neutrons” and “electrons.” Most atoms are neutral, which means the protons (positive-charge particles) are balanced with the electrons (negative-charge particles), so they cancel …
All precipitation falls through the atmosphere on its way to the Earth’s surface. Imagine a drop or flake falling through a long tube that contains the air between the clouds and the Earth. The air inside the imaginary tube is the atmosphere. Differences in temperatures in different parts …
Stars, like the Sun, fill the universe. The core of a star constantly converts hydrogen, its fuel supply, into helium. This process, called nuclear fusion, makes stars shine so brightly. After billions of years of burning, a star will eventually use up its hydrogen fuel supply. When nuclear fusion stops, gravity pulls the star inward on …
In 1821, Louis Braille, a blind Frenchman, created a system that people with visual impairments, such as blindness, could use to read and write. Although Louis was not born blind, an early childhood accident eventually left him blind in both …
Would you believe January was not always the first month of the year? The ancient Romans used a different calendar system, and their year began in March and ended in February! Even though our modern system may be quite different …
Polar ice caps are dome-shaped sheets of ice found near the North and South Poles. They form because high-latitude polar regions receive less heat from the Sun than other areas on Earth. As a result, average temperatures at the poles can be very cold. The polar …
The word “tides” describes the regular rising and falling of the ocean’s surface. Large lakes, such as the Great Lakes, also have tides, but the change in water level is only inches. Ocean tides are measured in feet. Tides are …
When you go to sleep each night, your mind goes on a sort of sleep roller coaster. As you sleep, your brain passes through different sleep stages again and again. Over the course of a typical night, your brain cycles …
Each grain of sand consists of a tiny piece of a mineral, rock, coral, or shell. The forces of nature create sand through the erosion and weathering of rocks. Over time, rivers chip small pieces off rocks. Freezing and thawing …
The Internet is made up of computers all over the world. Each of these computers is connected by phone lines or cables…or even wireless connections! If your computer is connected to the Internet, it speaks a special language with other computers called TCP/IP. This language …