The wheel is perhaps man’s greatest invention. Simple as it seems, it is the very basis of movement. The cart, the cycle, the motor-car and the railway train move on wheels. Even aircraft which fly thousands of kilometres through the air need wheels for taking-off and landing.
In 1804 the first steam-powered engine ran, carrying some iron in Wales, in Britain. But it was almost twenty five years later, in 1829, that George Stephenson, a British engineer, designed the “rocket” that paved the way for railways all over Europe, Asia and America.
It was a particularly windy day in late July when my cousin and I sat down to make a pinwheel. The paper was folded into a wheel, the pin inserted at the heart of it and the entire structure fixed to the broomstick.
Shiny vehicles on a shop shelf are inviting, but how about making a shiny red bus, much like the ones you see on the roads. What’s more, you can give a new life to things that are being readied for the dustbin at this very instant!
May 11: Till five years ago, the Male Kudi tribals of Kodyadi, in the Western Ghats in Mangalore, lived in darkness. The government had never switched on to their needs. But now, thanks to their leader, Elyanna, the first graduate in the tribe, they have invented an ingenious method of electrifying their village – and their achievement has electrified the nation.
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