The life boat was patented in 1845!
29
Whale oil was used in automobile transmissions as late as 1973.
56
Castor oil is used as a lubricant in jet planes.
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In the early 1960's, Porsche commercially manufactured farm tractors.
24
A small airplane can fly backwards.
75
A toaster uses almost half as much energy as a full-sized oven.
33
The average car produces a pound of pollution every 25 miles!
18
Students at MIT developed a wristband that can regulate your “thermal comfort”, which could possibly eliminate the need for central heating and cooling.
17