Whale oil was used in automobile transmissions as late as 1973.
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Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
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An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
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The blueprint for a floating city has just been approved by the largest port construction and design company in China. It's entirely self-sustainable, and extends underwater.
2
Technically speaking, crystal glass is actually a Liquid that flows very slowly.
43