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
Mico headphones read your brainwaves and select music based on your state of mind.
7
Originally, BMW was an airplane engine manufacturer.
69
The first alarm clock could only ring at 4 a.m.
120
The average car produces a pound of pollution every 25 miles!
18
A small airplane can fly backwards.
75
Energy is being wasted if a toaster is left plugged in after use.
21