An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
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
It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
Any modern jet is capable of breaking the sound barrier.
34
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