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
Surgeons who grew up playing video games make 37 percent fewer mistakes.
250
A toaster uses almost half as much energy as a full-sized oven.
33
Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
33
