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How Will our Sun Die?
Everything that is born must die. Not only living beings, but inanimate objects like stars too. The birth of a star The universe has massive clouds of hydrogen floating around. Sometimes, these clouds come together and form very dense and huge balls of hydrogen gas. As the clouds come close, their temperature increases. This is called a proto-star (original star). The increase in temperature triggers off nuclear reactions at the core of the star. Nuclear reactions inside the star occur when the nucleus of two hydrogen atoms fuse to produce a helium atom....
How can We Use Water to run Cars?
Huge amounts of polluting gases are being released into the earth’s atmosphere by the large scale burning of fossil fuels or natural fuels found under the earth. These gases are the main culprits behind the phenomenon of global warming and other climatic changes. In order to find cleaner fuels, scientists around the world are trying to find a fuel or source of energy which produces little or no pollution on being burnt. Quite amazingly, a new technology points out that water can be used to generate electricity....
Who stole the Candle Wax?
On every Diwali, known as the festival of lights, our family has a big discussion on the kind of lighting we should have. And after talking about candles or electric bulbs we invariably choose the _diya_s or earthen lamps for their beautiful flames. But last year, we reached the kumhara or potter’s roadside shop a bit too late. The lamps had been sold out and the potter had a big smile on his face. So we decided to light candles....
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