Could Star Trek medical device become a reality?
Found on BBC News on Tuesday, 11 April 2017
Two teams - one from the US and the other from Taiwan are competing to win the $10m (£8m) X-Prize to develop such a device. Clinical trials have already begun.
Take a look at an old cellphone. Now go back a few decades, or centuries. Nobody back then would have imagined that such a device could exist.