There’s no hiding the fact that several ideas that we see every
day in the real world, have stemmed from concepts thought up
within that of a science fiction-based reality. While time
travelling may not be happening right now, scientists are still
working hard on the idea, trying to make it real. But, what
about something like the sonic screwdriver, which has become a
standard utensil used by The Doctor, from Doctor Who? According
to a professor from Bristol, UK, it looks like the sonic
screwdriver may become a reality sooner than later. At least,
the technology that makes the sonic screwdriver in the show
useful. Some engineers believe that ultrasonic waves can, and
will, be used to move, and manipulate, small objects. Using the
waves, which are operating beyond what human’s can hear,
students are investigating how they can be used to turn things
like screws. And some medical researchers are using ultrasonic
waves to actually separate diseased cells within the body from
healthy ones. Could those in the medic