If you’re a happy streetlight, and you know it… then sway all over the place and freak out English motorists. This video from the M62 motorway captured a rare natural phenomenon called “vortex shredding” that makes these lampposts look like they are dancing in the wind.
Vortex Shedding: Why The Streetlights Swayed In The Wind
What’s “vortex shredding” and why are the lamps swaying? When the natural frequency of a lamp column matches the speed of the wind, it’s called “vortex shedding.” It’s a very rare event and only happens at certain wind speeds.
Via Bobbles Hill
Frank Wilson is a retired teacher with over 30 years of combined experience in the education, small business technology, and real estate business. He now blogs as a hobby and spends most days tinkering with old computers. Wilson is passionate about tech, enjoys fishing, and loves drinking beer.