A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
The United States produces enough plastic film annually to cover the entire state of Texas.
13
More than a billion transistors are manufactured every second.
-25
Car airbags kill 1 person for every 22 lives that they save.
80
It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
33
The average car produces a pound of pollution every 25 miles!
18