An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
In the early 1960's, Porsche commercially manufactured farm tractors.
24
More than a billion transistors are manufactured every second.
-25
Energy is being wasted if a toaster is left plugged in after use.
21
Surgeons who grew up playing video games make 37 percent fewer mistakes.
250
The IRS processes more than 2 billion pieces of paper each year.
28
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144