Magazine Articles

Mobile phones

When Scotsman Alexander Graham Bell invented the telephone in 1876, it was a revolution. Over the last two decades a new means of spoken communication has emerged: the mobile phone.

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Magazine Articles

Solar power

Which form of energy is free during the day, produces no dangerous waste products and will be available for the next 4 billion years? Solar power, of course. Read about some of the things you can do with it.

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