Whale oil was used in automobile transmissions as late as 1973.
56
There are only 14 blimps in the world.
69
The first hard drive available for the Apple II had a capacity of only 5 megabytes.
46
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
The electric chair was invented by a dentist!
122
In the early 1960's, Porsche commercially manufactured farm tractors.
24
More steel in the United States is used to make bottle caps than to manufacture automobile bodies.
55
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