Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
The life boat was patented in 1845!
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Sony researchers have developed a refrigerator that only opens when you smile.
9
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60
Any modern jet is capable of breaking the sound barrier.
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