electricity

Energy storage usually brings to mind batteries, capacitors, tanks of hydrogen, or maybe some giant gravity system hauling blocks up a tower. Northwestern University researchers have now demonstrated something a lot stranger: a yellow liquid that “charges” by rebuilding itself into a black gel, stores electrons for months, then releases them on demand to drive chemical reactions. Continue Reading…

Emma Vanstone
11/14/2011

Have you ever wondered why if you rub a balloon on your hair it makes your hair stand up on end? It's all to do with something called static electricity. It's also static electricity that sometimes gives you a shock when you touch something metal. The conductive metal discharges any static electricity that has built […] The post A hair raising experiment appeared first on Science Experiments for …