More than a billion transistors are manufactured every second.
-25
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
The electric chair was invented by a dentist!
122
Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
33
A fully loaded supertanker traveling at normal speed takes a least twenty minutes to stop.
27
Energy is being wasted if a toaster is left plugged in after use.
21
