Air Breathing Batteries – No Joke!
Ever wondered how we would get all those cool gadgets to
work that we see in Star Trek or Sci Fi movies? You know, things like contact
lenses with mini computers that display images right to your eye or maybe an implanted
health sensor that automatically releases insulin or other medications directly
into the blood before you even know there’s a problem or (my favorite) light-emitting tattos! It’s one thing
to think up things like that, it’s another to find a way to actually make it
work. We mentioned in an earlier post how a heart device could be powered using
the body’s own blood, but now scientists have constructed a bio-battery that
actually RECHARGES BY TAKING OXYGEN DIRECTLY FROM THE AIR! Did anyone else just
have a nerdgasm? From the Polish team developing the battery, the lead, Dr Jönsson-Niedziółka, said, “One
of the most popular experiments in electrochemistry is to make a battery by
sticking appropriately selected electrodes into a potato. We are doing
something similar… [but] we’d rather replace the potato with… a human being.
Here’s a picture of a stack of four of the batteries
powering a bike light:
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