Telephone

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Who invented Hello?

Who invented Hello?

Hello, Hullo, Hallo, Hull-oo-oo-oo. You may say it softly or you may holler at the top of your voice, but the person at the other end knows that all you are trying to do is get in touch with a greeting. Legend has it that Thomas Alva Edison was the first to say hello over the telephone. But Edison didn’t invent ‘hello’ by a long shot. As a matter of fact, the greeting has been around for centuries much before the invention of telephone in 1885....

Nikola Tesla – Unsung Prophet of Electrical Age

Nikola Tesla – Unsung Prophet of Electrical Age

If you ask anyone or check up in the encyclopaedia, who invented the radio or X-rays, chances are you will never come across the name of Nikola Tesla there. Look up fluorescent bulb, neon lights, car ignition system, electron microscope, microwave oven and many others – you can search page after page but your search will turn up zilch on Tesla in any normal reference book. In fact very few have heard of Nikola Tesla, a brilliant scientist who lived at the turn of the century....

What is Ham Radio?

What is Ham Radio?

Consider this, your state has been hit by a cyclone with wind speeds measuring 300 kilometres per hour. All modern means of communication – telephone, cellphone, wireless sets – lie dead as the cyclone has destroyed all connecting stations and links. This is what happened during the Orissa cyclone. All communication links broke down as dish antennas, radio stations, telephone lines, satellite links were destroyed. There was no way people could contact the outside world. This was when a bunch of amateurs, students and radio enthusiasts got together to set up something called an amateur radio or ham radio station....

What to do During an Earthquake?

What to do During an Earthquake?

An earthquake is literally an earth shattering experience! Here you are enjoying an afternoon snooze, or having a cup of coffee in the morning or even sleeping under a quilt on a cold winter night when WHAM! The entire crockery shelf collapses shattering plates and cups; the painting on the wall nearly knocks you down as it falls; or the antique fan looks like it will brain you as it hangs down, held by a single wire!...

The Telegraph

In 1833 John Herschel, a British astronomer, went to South Africa to study the southern skies. He took with him a powerful telescope and many other instruments. He wanted to make charts and maps of the sky which people in the northern half of the world never saw. John Herschel planned to stay at the Cape of Good Hope for three or four years to complete his work. Then Richard Locke, a reporter on the staff of the New York Sun, had a bright idea....

Recycled Telephone Books

Recycled Telephone Books

Recycled Telephone Books [Illustrations by Shinod AP] Telephone diaries, address books, origami, notepads…there are numerous uses for rough paper. Don’t discard your old notebooks with unused paper. Here is something useful you can make. The things you need: Unused paper and cover from an old notebook. Stapler Glue Velvet paper Blade Scissors Step 1: Tear out at least 14 pages of unused paper from the notebooks. If they are of unequal sizes, then even them out....

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