An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
Originally, Nintendo was a playing card manufacturer.
70
The life boat was patented in 1845!
29
Any modern jet is capable of breaking the sound barrier.
34
Sony researchers have developed a refrigerator that only opens when you smile.
9
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
Originally, BMW was an airplane engine manufacturer.
69