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
The cigarette lighter was invented before the match.
210
Jumbo jets use 4,000 gallons of fuel to take off.
19
Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
33
Surgeons who grew up playing video games make 37 percent fewer mistakes.
250
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