Zoomable holograms pave the way for versatile, portable projectors

Imagine giving a presentation to a roomful of customers when suddenly the projector fails. You whip out your smartphone, beam your PowerPoint presentation onto the conference room screen, and are back in business within seconds. This career-saving application and others like it are the promise of a new generation of ultra-small projectors. Researchers from Japan and Poland have taken an important step toward making such devices more versatile and easier to integrate into portable electronic devi…

Fuente : http://www.eurekalert.org/pub_releases/2013-10/tos…