Science news articles about 'electric switches'

... . Brush contacts are an integral part of "commutators," or spinning electrical switches used in many battery-powered electrical devices, such as cordless drills. "The findings show that nanotubes ...

... on and off. In a promising new development, researchers with the DOE's Berkeley Lab working with a prototypical multiferroic have successfully demonstrated just such a switch -- electric fields.

... Hewlett-Packard Laboratories in Palo Alto, Calif., report in Nature that a new nanometer-scale electric switch "remembers" whether it is on or off after its power is turned off. (A nanometer is one ...

... ("Gamma Dynamics") has announced Electrofluidic Display Technology (EFD), the first technology to electrically switch the appearance of pigments in a manner that provides visual brilliance equal to ...