cross-posted from: https://lemmy.world/post/50273814

How the Navy learned to hear submarines from 3,000 miles away—and how submarines learned to vanish. This video explores the physics of underwater acoustic warfare, from the discovery of the SOFAR channel to the evolution of modern stealth engineering. Discover how wave refraction, deep-ocean mathematics, and fluid dynamics completely rewrote the rules of submarine detection.

Time stamps: 0:00 The 3,200-Mile Explosion 3:05 The Physics of Underwater Sound (Transmission Loss) 7:00 The SOFAR Channel & Snell's Law 12:33 How Modern Submarines Actually Hide

I've recently acquired interest for Physics once again in my life, and I'd like to get back as a hobby thing at least. It's about 8 years since I took any class lately, which ultimately makes me a bare-bones beginner.

So, I wanted to ask: is there any good course or book you could recommend on it? I'd appreciate some suggestions, I am reading the "University Physic" by Young and Freedman, and I was wondering if there is any other additional source I could use.

cross-posted from: https://lemmy.world/post/45146291

cross-posted from: https://lemmy.world/post/42268908

Excited for a new platform free from corporate overlords! Let's get this community going!