A small airplane can fly backwards.
75
The Google driverless car has only encountered two accidents. The first it was rear ended at a stop sign, and the second was when a human was behind the wheel.
7
The electric chair was invented by a dentist!
122
Jumbo jets use 4,000 gallons of fuel to take off.
19
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
Whale oil was used in automobile transmissions as late as 1973.
56
Originally, BMW was an airplane engine manufacturer.
69
There are only 14 blimps in the world.
69