https://phys.org/ en-us Phys.org internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. (PhysOrg.com) -- Pacemakers and other implanted medical devices require electric current to operate. Changing the battery requires an additional operation, which is an added stress on the patient. A Japanese team led by Eijiro Miyako at the National Institute of Advanced Industrial Science and Technology has now introduced an alternative approach in the journal Angewandte Chemie: an implantable converter that can simply be irradiated with laser light through the skin. https://phys.org/news/2011-12-battery.html Nanophysics Thu, 01 Dec 2011 05:02:47 EST news241938145