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Electricity doesn't move through a wire but through a field around the wire.

The computer mouse was invented 30 years ago.

Almost 20 years ago first test-tube baby born in England.

The longest cells in the human body are the motor neurons. They can be up to 4.5 feet (1.37 meters) long and run from the lower spinal cord to the big toe.

The sun is 330330 times larger than the earth.

The first American space stations name was Skylab, In 1979 skylab fell on the earth in thousands of pieces fortunately all in the oceans.

The Stegosaurus dinosaur measured up to 30 feet (9.1 meters).

An inch (2.5 centimeters) of rain water is equivalent to 15 inches (38.1 centimeters) of dry, powdery snow.

The average ice berg weighs 20,000,000 tons.

The Hubble Space Telescope weighs 12 tons (10,896 kilograms), is 43 feet (13.1 meters) long, and cost $2.1 billion to originally build.

The largest flying animal was the pterosaur which lived 70 million years ago. This reptile had a wing span of 36-39 feet (11-11.9 meters) and weighed 190-250 pounds (86-113.5 kilograms).

There are 206 bones in the adult human body and 300 in children

The most powerful laser in the world, the Nova laser at Lawrence Livermore National Laboratory, CA, USA, generates a pulse of energy equal to 100,000,000,000,000 watts of power for .000000001 second to a target the size of a grain of sand.

The fastest computer in the world is the CRAY Y-MP C90 supercomputer. It has two gigabytes of central memory and 16 parallel central processor units.

The cosmos contains approximately 50,000,000,000 galaxies.

Boron nitride (BN) is the second hardest substance known to man.

The only letter not appearing on the Periodic Table is the letter "J".

The seeds of an Indian Lotus tree remain viable for 300 to 400 years.

The microwave was invented after a researcher walked by a radar tube and a chocolate bar melted in his pocket.

No matter its size or thickness, no piece of paper can be folded in half more than 7 times.

A car traveling at 80 km/h uses half its fuel to overcome wind resistance.

The typewriter was invented in 1829, and the automatic dishwasher in 1889.

The wristwatch was invented in 1904 by Louis Cartier.

When glass breaks, the cracks move at speeds of up to 3,000 miles per hour.

Alexander Graham Bell invented the telephone.

The Earth's equatorial circumference (40,075 km) is greater than its polar circumference (40,008 km).

Flying from London to New York by Concord, due to the time zones crossed, you can arrive 2 hours before you leave.

The surface speed record on the moon is 10.56 miles per hour. It was set with the lunar rover.

Just twenty seconds worth of fuel remained when Apollo 11′s lunar module landed on the moon.


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