In the early 1960's, Porsche commercially manufactured farm tractors.
24
Whale oil was used in automobile transmissions as late as 1973.
56
Kissenger is a pig-shaped robotic device that lets you kiss someone over the internet.
5
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
A small airplane can fly backwards.
75
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144