Beauty is truth, truth beauty
October 22, 2021 10:16 AM   Subscribe

 
I confess I don't have enough physics knowledge to fully understand these, but they are indeed beautiful - and I think when I've taken more time to re-watch them and look up the phenomena a bit more, they will be a great boon to my understanding.

It's often fun to poke around someone's channel and see what else they've posted - One cannot (always) hear the shape of a drum is fascinating.

These are really, really cool - thank you so much for sharing them, biogeo!
posted by kristi at 10:55 AM on October 22, 2021 [1 favorite]


I definitely suggest taking a look at Berglund's other videos, he's been incredibly prolific over the last few months and they're all great.
posted by biogeo at 12:02 PM on October 22, 2021


...music is THE BEST.
posted by j_curiouser at 12:51 PM on October 22, 2021


I love Berglund's stuff.

I wondered for year's about Penrose's ellipse-based unilluminable room, partly because when I was in high school I got interested in how much of the interior of an ellipse could be touched by a single ray of light reflecting from the perimeter, and trying to prove that there were whispering galleries around the circumference of an ellipse that never formed a closed system as well as galleries that did, which I approached by using a circle as a special case of an ellipse which resulted when you allowed the two foci to get arbitrarily close and trying to work backward to ellipses in general, and Berglund has beautiful simulations of the Penrose room both for light as a particle and light as a wave which made Penrose's work much more intuitive. (I haven’t looked at all biogeo's links yet to see whether those are included.)

I agree with j_curiouser that Berglund's choices for accompanying music are peerless.
posted by jamjam at 4:20 PM on October 22, 2021


Come [to his website] to be entranced and talk with your mathematician partner about math: stay for the amazing photos of backpack-skiing in Svalbard! Thank you so much for sharing this, biogeo.
posted by rrrrrrrrrt at 7:35 AM on October 23, 2021


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