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"Smart phones, for example, will be able to do 3-Ds and you will not require glasses. Imagine your friend calling from another city and having him or her pop up almost like Princess Leia in Star Wars. It’s really the science of optics. where beaming into individual eyes, the light gives the perception of 3-D, and tells the brain that you’re seeing a 3-D image," says Cohn. "We think that it will make communication much more personal.“
And when we interact with friends in 3D on our cell phones, Cohn says, there will be no worries about our need to recharge the phone battery. Future batteries will last much longer than they do today.