Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
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Scientists in China have built a prototype high-speed maglev train that is theoretically capable of reaching speeds of up to 1,800 mph (2,900 km/h).
1
It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
The cigarette lighter was invented before the match.
210
Mico headphones read your brainwaves and select music based on your state of mind.
7