New technology uses lasers to transmit audible messages to specific people
Researchers have demonstrated that a laser can transmit an audible message to a person without any type of receiver equipment. The ability to send highly targeted audio signals over the air could be used to communicate across noisy rooms or warn individuals of a dangerous situation such as an active shooter.
Read more at: http://social.phindia.com/ckyjtSY8
Researchers have demonstrated that a laser can transmit an audible message to a person without any type of receiver equipment. The ability to send highly targeted audio signals over the air could be used to communicate across noisy rooms or warn individuals of a dangerous situation such as an active shooter.
Read more at: https://phys.org/news/2019-01-technology-lasers-transmit-audible-messages.html#jCp
Researchers have demonstrated that a laser can transmit an audible message to a person without any type of receiver equipment. The ability to send highly targeted audio signals over the air could be used to communicate across noisy rooms or warn individuals of a dangerous situation such as an active shooter.
Read more at: https://phys.org/news/2019-01-technology-lasers-transmit-audible-messages.html#jCp