Yesterday I linked to a video of Baile Zhang's "invisibility cloak," which was demoed at TED2013. The video was hosted by Dropbox, which killed the link (too much traffic). Here's a YouTube version of the same video, courtesy of Ben Kellogg.
Carla Sinclair is the co-founder of bOING bOING and the founding editor-in-chief of CRAFT magazine. She has written several books, including Net Chick, The Happy Mutant Handbook, Signal to Noise, and Braid Crazy.