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What is the Software for Life?

We all use computers. If you use Windows on your machine, like me, you will have a small button at the the bottom of your screen called ‘Start’. Every machine in the world which has the Windows software installed has to have that button. However, we can have different screen colours, different text sizes, wallpapers etc. Similarly our bodies are …

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What is the significance of the date 2 June 1953?

In London a moment of historic pageantry was celebrated on this day-the Coronation of Queen Elizabeth II. It was also the day when London heard the news of the conquest of Mount Everest’s 9,608 m by Edmund Hillary, a New Zealander, and Tensing, the famous Sherpa porter from Nepal. The London Times wrote: ‘Seldom since Francis Drake brought the Golden …

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What is the Seebeck Effect?

The principle of the thermocouple was first described by Seebeck in 1821. Seebeck discovered that when wires of two dissimilar metals were joined together to form a circuit of at least two junctions, a current would flow when the junctions were at different temperatures. This phenomenon, called the Seebeck Effect, is the basis upon which thermocouples are designed.

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What is the secret of Stonehenge?

The great stones stand gaunt against the sky in the countryside of Wiltshire, England. What is their origin? There are many theories. One of the earliest recorders of this stone system was Henry of Huntingdon, who died in 1154. But the stones are older than that. Some people thought that Boadicea, a queen of the ancient Britons was buried there. …

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What is the secret behind feeling momentarily weightless in an elevator?

You get into an elevator (or a lift, as we sometimes call it) and for a second or two, just as the elevator moves down, we feel weightless. On the other hand, if we go up in an elevator, we suddenly feel heavier just as the elevator lurches upwards. To understand this feeling of weightlessness, we need to understand a …

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