Technically speaking, crystal glass is actually a Liquid that flows very slowly.
43
Castor oil is used as a lubricant in jet planes.
-5
The life boat was patented in 1845!
29
Jumbo jets use 4,000 gallons of fuel to take off.
19
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
33
More than a billion transistors are manufactured every second.
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