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How does a Nuclear Bomb differ from a Conventional Bomb?

How does a Nuclear Bomb differ from a Conventional Bomb?

Every now and then we hear of countries of the world carrying out heated discussions about nuclear bombs. The topics range from who has the right to own a nuclear bomb and who does not, who should use it and who must not and so on.

How Wool Came Into Existence

How Wool Came Into Existence

It must have been a very intelligent human who looked at a sheep walking past and thought of the use its fleece might have! Although the oldest surviving textile made out of wool is around 3,500 years old, the oldest fine woolen fabric dates to the fifth century BC (about 2,500 years ago) and was found in an ancient Greek colony.

How Does Ice float?

How Does Ice float?

A cool glass of water topped with huge chunks of ice is sure to quench your thirst on a hot summer day. But, before you guzzle the water, look at how the ice floats on the water surface.

How Far Away are the Stars?

How Far Away are the Stars?

The sun is a star, just like the thousands of others we see in the sky each night. But it looks so very big. Is it the biggest star? No. The only reason the sun appears so big is because it is closer to us than any other star.

How Does Satellite TV Work?

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.

How do Satellites Stay Up?

How do Satellites Stay Up?

Satellites orbit the earth because of the force of gravity. To understand why this happens and why the satellite does not get pulled in and fall, we have to understand what forces do. A force will change the motion of an object; it might speed it up, slow it down or change its direction.

How does a Submarine Work?

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 and surface again when it wanted to. Even before submarines were thought about, Verne had created the blueprint of this technological marvel.

How can We Use Water to run Cars?

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.

How did Christianity Come to India?

How did Christianity Come to India?

Would you doubt my word if I say that Doubting Thomas, one of the Apostles of Christ visited India and established Christianity? Don’t. For its true. Among Christ’s 12 apostles, Thomas Didaemus or Doubting Thomas, along with Peter and Paul were pre-eminent.

How are Stars Named?

How are Stars Named?

Till now we have only seen roads, railway stations, airports, places etc. being named after famous people. But imagine paying money to get a star named after you. If that can happen, then anything is possible in this world!

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