4 items in this section. Displaying page 1 of 1
How Does the Steam Engine Work?
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. How Does the Steam Engine Work? [Illustration by Shiju George] The steam engine is an example of a heat engine. Heat engines are those that convert heat energy into mechanical work....
Which is the World's Oldest Working Locomotive?
The Indian Railways is one of the world’s oldest railways dating back to 1849. It also has the largest network in terms of route length covering nearly 63,000 route kilometres touching every nook and cranny of India. The Indian Railways is also the world’s single largest employer with about 1.6 million people working in nine zones. Among its many unique gems are the toy train that runs on the Darjeeling Himalayan rail route, the rack railway at Udagamandalam in south India, the busiest narrow gauge network in the world, etc....
What is Geothermal Energy?
In winter, all of us warm water in the geysers in the bathroom for bathing. Nature too has geysers which throw up a huge amount of hot water and steam. The ‘Old Faithful’, as one of the geysers in the Yellow Stone National Park in the United States of America is called, spews out boiling water at intervals of 33 to 120 minutes. Old Faithful, as one of the geysers in the Yellow Stone National Park in the USA is called, spews out boiling water at intervals of 33 to 120 minutes Why do natural geysers spew hot water?...
My Magic Collar Stud
I suppose you think there aren’t any more fairies nowadays, or witches or wizards or goblins. Well, of course they don’t go about dressed up like the ones in picture books. You don’t see little fairies with butterfly wings perching on the chimneys at Hendon, or old ladies in pointed hats riding down Oxford Street on broomsticks and waiting for the green lights to go on. But they’re doing other things. The good magicians are still doing magic things like radio and chemistry....
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