An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
Sony researchers have developed a refrigerator that only opens when you smile.
9
It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
Energy is being wasted if a toaster is left plugged in after use.
21
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
A fully loaded supertanker traveling at normal speed takes a least twenty minutes to stop.
27
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.
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