In the early 1960's, Porsche commercially manufactured farm tractors.
24
A small airplane can fly backwards.
75
About 39,000 gallons of water are used to produce the average car!
14
The electric chair was invented by a dentist!
122
A fully loaded supertanker traveling at normal speed takes a least twenty minutes to stop.
27
The cigarette lighter was invented before the match.
210
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
Any modern jet is capable of breaking the sound barrier.
34