Sound Therapy System for Better Sleep

Sound Therapy System for Better Sleep

  As scientists learn more about the potential effects of sound on humans, we may see more health tech devices using audible and inaudible sound for purposes hitherto unforeseen. It’s generally accepted that humans hear sound in the range of 20 to 20,000 Hz....
Pacemaker Powered by Microwaves

Pacemaker Powered by Microwaves

  Implanted pacemakers have helped millions of people since Wilson Greatbatch accidentally invented them in the 1950s while building a device to record the sounds of a working heart. At that time heart pacemakers were huge external devices and often shocked patients....
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