It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
The electric chair was invented by a dentist!
122
Castor oil is used as a lubricant in jet planes.
-5
The first alarm clock could only ring at 4 a.m.
120
Jumbo jets use 4,000 gallons of fuel to take off.
19
Car airbags kill 1 person for every 22 lives that they save.
80
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12