An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
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Scientists in China have built a prototype high-speed maglev train that is theoretically capable of reaching speeds of up to 1,800 mph (2,900 km/h).
1
The average car produces a pound of pollution every 25 miles!
18
More steel in the United States is used to make bottle caps than to manufacture automobile bodies.
55
If a car is travelling at 55 miles per hour it will travel 56 feet before the driver can shift his foot from the accelerator to the brake.
25
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60