An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
In the early 1960's, Porsche commercially manufactured farm tractors.
24
Windmills always turn anti-clockwise. Except for the windmills in Ireland!
184
Energy is being wasted if a toaster is left plugged in after use.
21
The first hard drive available for the Apple II had a capacity of only 5 megabytes.
46
A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
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