Traffic Signals Blogs & Blog Posts
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Latest Blog Posts on traffic signals
- If it sounds too good to be true... by R A N T W I C K on Oct 26, 2009
I read somewhere that powerful magnets, like the rare earth ones found in computer hard drives, could "trip" the induction loops that sense the presence of cars for traffic signals. Getting such an effect from a small magnet sounded far fetched to me...
