Spoken

HOW TO - Make traffic light triggers: “Not feeling ferrrous enough to trip the induction loops that trigger green lights? No problem - just epoxy a rare earth magnet to your shoe! Inspired by a product marketed to motorcyclists, which is basically a big neodymium magnet to stick under your ride. I thought it might be better to get a slightly smaller magnet closer to the road.” - Link. [ Does this actually work? (I mean, is a magnet this small powerful enough to trip the sensor?]
Source: MAKE Magazine