Originally, Nintendo was a playing card manufacturer.
70
Attics were invented in Attica.
43
Whale oil was used in automobile transmissions as late as 1973.
56
A small airplane can fly backwards.
75
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
More than a billion transistors are manufactured every second.
-25
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308