It's common knowledge that the Earth's magnetic field shifts every few hundred-thousand years, but the European Space Agency has put the last six months of that gradual change into one easy to understand picture.
Sometimes lugging your full DSLR around is more trouble than it's worth, so you bring a smaller point-and-shoot. But what about when you don't want to lug a full tripod around just to hold your compact digital camera? The Tiltpod could be the answer.
I haven't played a stringed instrument for half a decade, but something as magical as this could bring me back. See, hacker (and admitted non-musician) [magnetovore] crafted a cello that plays music with invisible magnetism instead of a traditional bow.