If we're being honest (and trust us, we're being honest), Pranav Mistry's Sixth Sense contraption has always baffled us.
More from EnGadget
In The Sixth Sense, Haley Joel Osment not only sees dead people, he hears them as well. Bruce Willis, for his part, sees and hears what he wants to see and hear.
More from Alternative Film Guide
Leave it the mad scientists at Fraunhofer-Gesellschaft to concoct this one. Rather than just figuring out a way to read back information in one-way fashion on one's glasses (think Sixth Sense, but with eyewear), these folks are diving right in to the real stuff: bidirectional communication.
More from EnGadget