There’s a new use for artificial hearts, and it involves a more taboo bodily fluid than blood.
A device that mimics the squeezing action of the human heart has been used to pump urine into a microbial fuel cell, which could power robots that convert the waste into electricity.
“In the future, we hope the robots might be used in city environments for remote sensing,” where they could help to monitor pollution, said study researcher Peter Walters, an industrial designer at the University of the West of England. “It could refuel from public lavatories or urinals, ” Walters said.
Walters and colleagues at the University of Bristol have created four generations of these so-called EcoBots over the past decade. Previous versions of the robots ran off energy from rotten produce, dead flies, wastewater and sludge Read more…
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