How A 121-Storey Building Uses A Giant Magnet To Prevent Swaying

When you're building a skyscraper with triple-digit numbers of storeys, there are some rather unusual building challenges to face — like the fact that the entire building can sway with the wind, fast enough to make people sick. The Shanghai Tower solves that problem in a scientifically awesome way: using magnets. » 3/20/15 1:00am 3/20/15 1:00am