Tingly projections make beamed gadgets come alive - tech | 21st Century Innovative Technologies and Developments as also discoveries, curiosity ( insolite)... | Scoop.it
From www.newscientist.com - May 30, 2013 5:19 PM
Imagine having an illuminated keypad projected onto your hand which stays in place even as you move, and tingles gently when you press a button