1456: Johannes Gutenbergs printing press sets in motion the way people
communicate. Gutenbergs version of the Bible becomes the first book printed with
movable metal type. That led to an explosion in the printing of books throughout
Europe. What hap
Holographic TV is going mainstream
Breakthroughs in rewritable and erasable systems have made it possible to mass-market the first truly
holographic TV displays.* This form of technology has been in development for nearly three decades.
One of t