Whale oil was used in automobile transmissions as late as 1973.
56
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
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
Originally, BMW was an airplane engine manufacturer.
69
The cigarette lighter was invented before the match.
210