It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
Technically speaking, crystal glass is actually a Liquid that flows very slowly.
43
The cigarette lighter was invented before the match.
210
Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
33
A small airplane can fly backwards.
75
Windmills always turn anti-clockwise. Except for the windmills in Ireland!
184
More than a billion transistors are manufactured every second.
-25
The United States produces enough plastic film annually to cover the entire state of Texas.
13