A toaster uses almost half as much energy as a full-sized oven.
33
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
Whale oil was used in automobile transmissions as late as 1973.
56
It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
Attics were invented in Attica.
43
