Science and Technology

Ø When glass breaks, the cracks move at speeds of up to 3,000 miles per hour.
Ø Diamonds are the hardest substance known to man.
Ø Sterling silver contains 7.5% copper.
Ø The rocket engine has to supply its own oxygen so it can burn its fuel in outer space.
The United States consumes 25% of all the world’s energy.
Ø Flying from London to New York by Concord, due to the time zones crossed, you can arrive 2 hours before you leave.
Ø There is enough fuel in a full tank of a Jumbo Jet to drive an average car four times around the world.
Ø A stroke of lightning discharges from 10 to 100 million volts & 30,000 amperes of electricity.

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