Battery fill up via pump?
Turns out the crafty Germans are at it again! As reported in the Fraunhofer Research News recently, a group there is working with something called a redox flow battery. Basically it uses a liquid instead of a solid to store the charge. This isn’t new, but the team has brought the energy density up to that of [...]
Big Brother May Not Be The Problem
In Nasa Tech Briefs, there was a little blurb about household robot security. So I dug down to the original paper by Tamara Denning, a grad student at the University of Washington. Turns out that personal robots could be a real security risk.
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