The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
Surgeons who grew up playing video games make 37 percent fewer mistakes.
250
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
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
Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
33
Originally, BMW was an airplane engine manufacturer.
69
Whale oil was used in automobile transmissions as late as 1973.
56