The ball on top of a flagpole is called a 'truck'.
24
The cigarette lighter was invented before the match.
210
Whale oil was used in automobile transmissions as late as 1973.
56
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
A fully loaded supertanker traveling at normal speed takes a least twenty minutes to stop.
27
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 electric chair was invented by a dentist!
122
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).
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