Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
33
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
Whale oil was used in automobile transmissions as late as 1973.
56
Any modern jet is capable of breaking the sound barrier.
34
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
All GPS units sold in the civilian market have to be programmed to deactivate themselves if they detect they are travelling faster than 1200 MPH or are above 60,000 feet in altitude to prevent them being used in intercontinental ballistic missiles.
2
A toaster uses almost half as much energy as a full-sized oven.
33