A new disposable battery that folds like an origami ninja star could power biosensors and other small devices for use in challenging field conditions, a Binghamton University engineer says.

Seokheun “Sean” Choi and two of his students developed the device, a microbial fuel cell that runs on the bacteria available in a few drops of dirty water. They report on their invention in a new paper published online in the journal Biosensors and Bioelectronics.

Read more at Binghamton University State University of New York