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In yet another first for graphene, physicists from the University of California, Berkeley, have employed this versatile material to create ultra-thin, lightweight ultrasonic microphones and speakers ...
The Echo Meter Touch 2 is the size of a cracker and very light, so you can bring it with you anywhere: on a hike, camping, trick or treating, or even just in your backyard. It plugs into the charging ...
University of California, Berkeley, physicists have used graphene to build lightweight ultrasonic loudspeakers and microphones, enabling people to mimic bats or dolphins’ ability to use sound to ...
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