Links for 2022-04-02
Can every proof by contradiction also be shown without contradiction? https://math.stackexchange.com/questions/243770/can-every-proof-by-contradiction-also-be-shown-without-contradiction
“Much of number theory is about trying to understand the interaction between two different structures on the integers (or the natural numbers): the additive structure and the multiplicative structure.” https://www.lesswrong.com/posts/dvsCJLbvcu8EotGzk/sums-and-products
Whence the determinant? https://www.lesswrong.com/posts/6tpem4iF8bJarswdv/whence-the-determinant
Mind maps of Advanced Mathematics and various branches thereof https://math.stackexchange.com/questions/124709/mind-maps-of-advanced-mathematics-and-various-branches-thereof
What are the best elementary math problems you know? https://www.lesswrong.com/posts/NnhvwKnABhsu6rgBv/what-are-the-best-elementary-math-problems-you-know
Rational and irrational infinite integers — a new syntax for negative numbers https://www.lesswrong.com/posts/DYDRm9hWSCSyKTd8T/rational-and-irrational-infinite-integers
What Actually Happens When We Experience Inflammation? https://www.simonsfoundation.org/2022/03/28/what-actually-happens-when-we-experience-inflammation/
Redesigned CRISPR Gene Editing Tool Is 4,000 Times Less Error-Prone https://singularityhub.com/2022/03/28/redesigned-crispr-gene-editing-tool-is-4000-times-less-error-prone/
Learning Reusable Robot Movement Skills From Human and Animal Behaviors https://sites.google.com/view/robot-npmp
“The core of Feedly for Threat Intelligence is an AI engine, called Leo, that automatically gathers, analyzes, and prioritizes intelligence from millions of sources in real-time.” https://blog.feedly.com/introduction-to-leo-web-alerts-for-threat-intelligence/
Hallmarks of aging-based dual-purpose disease and age-associated targets predicted using PandaOmics AI-powered discovery engine https://www.aging-us.com/article/203960/text
Liquid Cooling Is The Next Key To Future AI Growth https://www.nextplatform.com/2022/03/30/liquid-cooling-is-the-next-key-to-future-ai-growth/
Ukrainian Mi-24 Attack Helicopters Fly Daring Cross-Border Strike On Russia: The raid could serve as a rallying cry for Ukrainians and as another indictment of Russia's competency on the battlefield. https://www.thedrive.com/the-war-zone/45020/ukrainian-mi-24-attack-helicopters-fly-daring-cross-border-strike-on-russia-reports
Japan to again designate Russian-held isles as illegally occupied https://english.kyodonews.net/news/2022/03/817eff055d7e-japan-to-again-designate-russian-held-isles-as-illegally-occupied.html
None of the shapes is moving, expanding, contracting, or bending. Optical illusion by @jagarikin: https://mobile.twitter.com/jagarikin/status/1509546130530799623
Remember when Sarah Palin said ‘I Can See Russia from My House’? Well, she never uttered that sentence. What she actually said was this: “They’re our next-door neighbors, and you can actually see Russia from land here in Alaska, from an island in Alaska”.
The island is called Little Diomede. The neighboring island, Big Diomede, is part of Russia and about 2.33 miles (3.75 kilometers) to the west.