How a magnet works
There's a rather interesting Discover magazine article called Three Words That Could Overthrow Physics: “What Is Magnetism?”. It was written by Bruno Maddox in 2008. The subtitle is "The standard model still doesn't describe magnets' spooky action at a distance". Maddox was on holiday reading Electronics for Dummies when he realised that he didn't how a magnet works. He said this: "I set out on what I assumed would be a minutes-long odyssey to understand the phenomenon. Seventy-one days later, I am here with astonishing findings.…