HISTORY OF CIRCUS

The Romans were the first to use the word ‘circus’ in the first century B.C. The large open area was called ‘the Circus Maximus’. Here the main attraction was a chariot race. The drivers wore helmets and were wrapped in lengths of bright colored flowing clothes. The ground was so large as to accommodate around …

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What happens at absolute zero?-about “absolute zero”

The temperature of a body is the measure of the heat of the body. It is measured with the help of thermometers. In ordinary thermometers, the lowest temperature is marked as 0°C. Today scientists can produce temperatures well below 0°C. The scale which is used to measure low temperature is called ‘Kelvin’ scale or absolute …

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“History of horse racing”-Horse Racing

The sport of racing thoroughbred horses is divided into flat racing and jumping. Jumping is of two kinds, hurdling, and steeplechasing. Older horses take part in steeplechases over fences that are higher and more stoutly build than hurdles. The most famous English steeplechase is the Grand National which attracts large crowds to Aintree Racecourse in …

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“Glues and Adhesives”-all about glues and adhesives

Adhesives are substances that are used for joining substances with one another. Although they have been used for many centuries the exact physical and chemical nature of adhesive bonding are still not clearly understood. Several theories have been put forth of explaining the action of adhesion. According to one recent theory, adhesives bond due to …

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