By harvesting energy from radioactive specks, nuclear microbatteries could power tomorrow's microelectromechanical marvels—and maybe your cellphone, too
THE FUTURE OF NUCLEAR MICROBATTERIES depends on several factors, such as safety, efficiency, and cost. If we keep the amount of radioactive material in the devices small, they emit so little radiation that they can be safe with only simple packaging. At the same time, we have to find ways of increasing the amount of energy that nuclear microbatteries can produce, especially as the conversion efficiency begins approaching our targeted 20 percent. Read More HERE at

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