Three words that could overthrow physics

What is magnetism? "I set out on what I assumed would be a minutes-long odyssey to understand the phenomenon [of magnetism]. Seventy-one days later, I am here with astonishing findings.

For one thing, as far as I can tell, nobody knows how a magnet can move a piece of metal without touching it. And for another -- more astonishing still, perhaps -- nobody seems to care." (Discover magazine)