howto.wired.com — By now, you've probably seen Björk's stunning 3-D video for "Wanderlust" ...in 2-D. If you want to view the Icelandic singer's psilocybin-friendly vision as she intended, you'll want to watch it in stereoscopic 3-D, the same depth-enhancing technique — based on linear polarization — that's used in 3-D IMAX theaters.