An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
A small airplane can fly backwards.
75
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
More steel in the United States is used to make bottle caps than to manufacture automobile bodies.
55
If a car is travelling at 55 miles per hour it will travel 56 feet before the driver can shift his foot from the accelerator to the brake.
25
The blueprint for a floating city has just been approved by the largest port construction and design company in China. It's entirely self-sustainable, and extends underwater.
2
Technically speaking, crystal glass is actually a Liquid that flows very slowly.
43
A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4