https://phys.org/news/2019-10-uncover-anomaly-electromagnet…
https://phys.org/news/2019-10-uncover-anomaly-electromagnetic-duality-maxwell.amp Wow @inert @818 @1494
Replies
https://twetch.app/t/24e6f02f9272c3fb2e586ebcd38c7c91bf9963f95ef242275b43ab4443c72fd5
https://twetch.app/t/49a5bf4bc849d2dca28448913723019e6cba214f789d6520012386910f686d58
Let me guess? A dash of category theory?