I tried a secret Google project! by MKBHD

Certainly looks tough to capture on camera, but this is a really good look at some potential future technology. Too big for the home, at the moment, but if this could be scaled down enough then it could be really impressive.

Which actually made me wonder if this is even new? I vaguely remembered (and found) a video of a similar effect but based on Nintendo Wii remotes from 15 years ago!