This article is part of our exclusive IEEE Journal Watch series in partnership with IEEE Xplore.High-voltage power grids could prove more efficient for renewable energy. Now a new study finds that diamond electronics could be more effective than silicon for operating these grids.The global demand for electricity will increase by nearly 50 percent by 2050, according to the U.S. Energy Information Administration. At the same time, “in the U.S. alone, two-thirds of the generated energy cannot reach...