Now, an invisibility cloak you can see
Device hides objects in visible wavelengths
By Devin Powell
The first invisibility cloaks that live up to their whimsical nickname have arrived.
Unlike previous cloaks, which manipulated specially polarized light or microwaves and infrared already invisible to humans, two new approaches bend ordinarily visible light. Disguised by one of these materials, an object could vanish before your eyes.