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What is Artificial Intelligence?
If you touch a hot metal object, you will yank your hand away immediately. When this happens to you the first time, the sequence of events and the result (the burning of your hand) gets stored in your brain. This is what we call an experience. When you see a hot metal object next time, you will not touch it. You will use the knowledge of your previous experience and decide to not repeat it again....
What is Cloning?
Which is the most famous sheep in the world? A sheep called Dolly. But why is Dolly famous? That is because unlike other sheep’s, Dolly was not born in the usual manner. She is actually a carbon copy of her mother, like an identical twin. This means that she is the twin sister of her mother who is older by six years and she does not have a father! What is Cloning? [Illustration by Shinod AP] Scientists at the Roslin Institute in Edinburgh, UK, made history on 27th February 1997, when they successfully cloned a sheep....
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 can be viewed by millions of people across the world? This is possible because of satellite television technology. It uses man-made or artificial satellites to send your favourite serial to your television set. But why do we need satellites for this purpose? How Does Satellite TV Work? The earth is round To understand this, we have to first take a look at the shape of our earth....
What were the Voyager Missions?
Imagine a journey that takes you a billion kilometres away from earth, to the edge of the solar system, from where you can look back over your shoulder and see our sun as just another star in the sky. We are not talking about a science fiction movie but the Voyager space mission. On August 20, 1977, the Voyager 2 spacecraft was launched. Close on its heels, the Voyager 1 was launched on September 5, 1977....
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....
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