Graphene improves microphone sensitivity by 30 times
Scientists have developed a graphene-based microphone which is nearly 32 times more sensitive than microphones of standard nickel-based construction.
Nov 27, 2015, 14:36 PM ISTThrow this mic to find a suitable voice
Here comes a microphone that puts an end to conference monologues. It can be passed from one speaker to another simply by throwing it like a ball.
Sep 13, 2015, 20:50 PM IST