One of the main concerns while using a smartphone (and why not, a tablet) these days is battery life. We’re happy when our beloved device makes it through the day so we can charge it once again overnight. However, batteries, as we know them today, might soon be replaced with new “microbatteries”, thanks to researchers at the University of Illinois. What are microbatteries? Let the press release do the talking: “the most powerful batteries on the planet are only a few millimeters in size, yet they pack such a punch that a driver could use a cellphone powered by these ...