In the early 1960's, Porsche commercially manufactured farm tractors.
24
Whale oil was used in automobile transmissions as late as 1973.
56
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
Technically speaking, crystal glass is actually a Liquid that flows very slowly.
43
The first alarm clock could only ring at 4 a.m.
120
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
A small airplane can fly backwards.
75