News tagged with radio transmitter

Engineers make world's smallest FM radio transmitter

A team of Columbia Engineering researchers, led by Mechanical Engineering Professor James Hone and Electrical Engineering Professor Kenneth Shepard, has taken advantage of graphene's special properties—its mechanical strength ...

Nov 18, 2013
4.5 / 5 (13) 0 | with audio podcast

Have thieving rodents saved tropical trees?

Big seeds produced by many tropical trees were probably once ingested and then defecated whole by huge mammals called gomphotheres that dispersed the seeds over large distances. But gomphotheres were probably ...

Jul 16, 2012
4 / 5 (2) 1 | with audio podcast