These Weird Historical Trends Probably Wouldn't Catch On Today

PET Scans

Forget everything you know about PET scans because while this medical device is still very much in use, it no longer looks as terrifying as it once did. Developed at the Brookhaven National Laboratory in Long Island, New York, this standardized device came wrapped in metal and wires that would make anyone uneasy. Scientists today keep these wires well concealed. 

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The More You Know

  • Bubble wrap was originally intended to be used as 3D wallpaper.
  • The largest volcano in the solar system is three times taller than Mount Everest.
  • The first pieces of gold at Fort Knox arrived by mail.
  • You can hear a blue whale's heartbeat from more than 2 miles away.
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