Lasers can beam audible messages directly to people's ears

Researchers at MIT's Lincoln Laboratory, a United States Department of Defense research facility, developed laser systems that can "transmit various tones, music and recorded speech at a conversational volume" to specific people without the recipient wearing any special equipment. Basically, the operator points a laser at someone from a distance and that individual hears the … Continue reading Lasers can beam audible messages directly to people's ears