UFO sightings have reduced by over 80% since the introduction of smartphones and public access to HD video.
2
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60
Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
33
Castor oil is used as a lubricant in jet planes.
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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.
12
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
The ball on top of a flagpole is called a 'truck'.
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