Chladni patterns – a natural pairing with Tolkien's musical cosmology – were the visual inspiration for the title sequence of the "Rings of Power" series on Amazon Prime.
Ernst Florens Friedrich Chladni, a pioneer of the field of acoustics, was born #OTD in 1756.
He studied the mathematical theory of sound waves, the speed of sound in various materials, and eponymous complex patterns formed by vibrational modes of solid objects.
There are a gazillion versions of this song, passed down through families and musical lineages, with hundreds of distinct stanzas. It has 59 entries in the Vaughan Williams Library:
“McCormack and Richard Tauber are singing by the bed There's a glass of punch below your feet and an angel at your head There's devils on each side of you with bottles in their hands You need one more drop of poison and you'll dream of foreign lands.”
Some blessed reddit user made a very high resolution scan of the John Berkey painting used as the cover for National Geographic's "Picture Atlas of Our Universe."
This specific spaceship absolutley lit my brain on fire when I was a kid.
Again, here's that thread from a few weeks ago about falling past a horizon, why you can't get back out, and a wormhole connecting two regions that are both “outside the black hole.”
In Henry Cavendish's famous paper "Experiments to determine the Density of the Earth," he opens by basically saying "Look, this was all Michell's idea, he just wasn't able to complete it before he passed away. I'm finishing what he started.”