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Scurrying Hamsters Generate Electricity

March 11th, 2009 Justin Barad News

We reported previously on a tiny electric generator built from Zinc Oxide wires being designed and studied at Georgia Tech. The device uses principles of piezoelectrics, the ability of some materials to turn mechanical stress into electrical energy.
The latest research from Zhong Lin Wang and colleagues at Georgia Institute of Technology demonstrates the feasibility of this Single Wire Generator device by fitting it onto a hamster (and a human tapping finger, but that isn’t as adorable). By connecting four of these devices in series embedded in a makeshift hamster jacket” the system was able to generate an AC voltage of up to 0.15 Volts from various hamster movements (e.g: scurrying, scratching etc.).
The biggest challenge currently appears to be getting multiple generators to work in sync with each other, which is necessary to generate voltages high enough to power useful devices. The technology could presumably be used eventually to power various medical devices like pacemakers and hearing aids.
Watch a video of hamster-generated electricity at ACS publications…
Read the publication in Nano Letters here…
(Hat tip: Gizmodo)

Justin Barad

Justin Barad is a board eligible pediatric orthopaedic surgeon. He did his fellowship at Boston Children's Hospital in the Harvard Combined Orthopaedic Surgery program and his residency at UCLA. He is also the Founder and CEO of Osso VR, a clinically validated surgical simulation platform. His interests include Virtual/Augmented Reality, robotics, surgical navigation and 3D Printing/Scanning, He is always looking to discuss the latest and greatest in medtech. He has been writing for Medgadget about medical technology since 2006 and also has several research publications and presentations.

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