How Blood Batteries Work

How Blood Batteries Work
What if, instead of your standard AA, we used flexible, incredibly thin batteries that could be powered by blood or sweat? Seems like an improvement, right?

Batteries: Toss or Recycle?
May batteries be safely discarded along with other household trash, or must they be recycled? While newer batteries contain less mercury and other toxic substances than older versions, they do include trace amounts that could potentially harm the environment.

Comments