Retroreflectors; they're everywhere, and they cheat physics (sort of)
Technology Connections Technology Connections
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 Published On Aug 31, 2020

Road signage and other markings may be something you take for granted, but have you ever wondered how they can appear so brightly with just the output of your headlights? Find out how, and get a load of other trivia, in this video!

Links!
Geoff's and Steve's videos (respectively);
   • Cube Reflectors on the Underground  
   • Why you'll never see a right angle on...  

My usual links;
Technology Connextras (the second channel that stuff goes on sometimes):
   / @technologyconnextras  
Technology Connections on Twitter:
  / techconnectify  
The TC Subreddit
  / technologyconnections  

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