The cigarette lighter was invented before the match.
210
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
The ball on top of a flagpole is called a 'truck'.
24
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
Jumbo jets use 4,000 gallons of fuel to take off.
19
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
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144