News tagged with electromagnetism

Graphene sheets enable ultrasound transmitters

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 communicate and gauge the ...

dateJul 07, 2015 in Nanomaterials
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New remote-controlled microrobots for medical operations

For the past few years, scientists around the world have been studying ways to use miniature robots to better treat a variety of diseases. The robots are designed to enter the human body, where they can deliver drugs at specificlocations ...

dateJul 22, 2016 in Robotics
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