
How do you whisper to someone across the room? With lasers, of course. MIT has developed a system using lasers to transmit audio signals directly to the ear, and no one else in the area can hear them.
Wireless networks span the globe. But like a frightened toddler, they don't go underwater. That may soon change because University at Buffalo researchers are developing a deep-sea Internet.
A new antenna design being tested by the U.S. Air Force could make GPS significantly more reliable and able to function in dense urban areas where GPS accuracy is weak. It might even allow the technology to work indoors in some cases.GPS readings in cities and indoors can be terrible. One startup has found a novel solution.