Hacker News with Generative AI: Martial Arts

India's sword-wielding grandmother still going strong at 82 (bbc.com)
An 82-year-old woman who teaches the ancient Indian martial art of Kalaripayattu says she has no plans to retire.
Sherlock Holmes and the Mystery of Baritsu (historytoday.com)
Arthur Conan Doyle’s sleuth was an excellent amateur singlestick player, swordsman and boxer. However, his special skill was in the Japanese system of wrestling called ‘baritsu’, which he used to hurl his arch-enemy, Professor Moriarty, down into the swirling waters of the Reichenbach Falls. But what is this baritsu to which Conan Doyle refers?
Ask HN: What martial arts do you recommend? (ycombinator.com)
The Physics of Karate (2021) (jstor.org)