Researchers really want to make good three-dimensional displays. It is so much harder than you might think—at this point, we have lots, but most attempts are literally smoke (light projected and scattered on some medium) and mirrors (optical illusions). There aren’t many examples of voxels, 3D pixels, lined up to…
Source: Gizmodo – A Wild New 3D Display Uses Lasers and Bubbles to Create Images You Can Walk Around