How does a Submarine Work?
Jules Verne in his science fiction, 20,000 Leagues under the Sea, mentions a ship, Nautilus, which could dive beneath the waves …
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Ajay Dasgupta
All features, stories and articles authored by: Ajay Dasgupta
54 items · page 2 of 5
What is a Volcano?
What is nature’s most powerful, most destructive, most dangerous form? Some would say an earthquake, others a cyclone. …
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Why do Humans Sweat?
It is an annual ritual in most Indian homes. With the onset of summer it is time to bring the rusty, rickety old coolers down …
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How Does Satellite TV Work?
Nine ‘o’ clock. It’s time for your favourite serial on television. Have you ever wondered how the same serial …
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What is the Weight of Air?
As you stand in the middle of a playground or while you are sitting in your class, there is an immense weight right over your …
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An Organism that is visible from Space
The elephant is the largest land animal. The Blue whale is the largest sea animal. But however big these animals may be, they can …
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How do Earthquakes Happen?
Simply put, the shaking of the earth caused by a sudden shifting of rocks below its surface, is called an earthquake. The earths …
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What is the Ozone Hole?
On beaches as well as on the cricket ground, it is always possible to spot people with some kind of cream on their bodies or …
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Why do We Cup Our Hands When We Shout?
“Go on Sanjay, go on,” we shouted. It was the annual sports meet in our school and the 100 metres sprint was on. The …
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Why do Meteorites Strike the Earth?
On a hot summer afternoon, I sat down with my elder brother to play carom. I took the first strike and pocketed two coins. Then I …
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How do Animals Camouflage?
Remember the last time you played hide and seek. You hid behind a bush while your friend tried to find you. If you were wearing a …
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Tale of the Woolly Mammoth
Almost 20,000 years ago, a group of hunting tribesmen attacked an enormous elephant like animal called the Woolly Mammoth. A …
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