Windmills always turn anti-clockwise. Except for the windmills in Ireland!
184
There's an "anti-smartphone" called John's Phone which can only make and receive calls.
7
Jumbo jets use 4,000 gallons of fuel to take off.
19
In the early 1960's, Porsche commercially manufactured farm tractors.
24
The average car produces a pound of pollution every 25 miles!
18
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
About 39,000 gallons of water are used to produce the average car!
14