Yarns made of the tiny straws of carbon called nanotubes have an astounding ability to twist as they contract, scientists have found

The team of researchers from Australia, the US, Canada and South Korea demonstrated motors that could spin at nearly 600 revolutions per minute, turning a weight 2,000 times heavier than the yarn itself. Read More

How to excel in Green Olympiad?

Green Olympiad is and exam conducted by TERI (The Energy and Resources Institute) to sensitize school children (Classes 8, 9 and 10) on environmental issues. Thousands of schools from India and abroad participate in this Olympiad. The paper consists of 100 multiple choice questions. Each question deals with one environmental issue or the other. The … Continue reading How to excel in Green Olympiad?