When a control voltage is applied to graphene, the frequency conversion of the current can be controlled. Image: Juniks, Dresden, CC-BY Researchers in Germany and Spain have created a transistor-like ...

Chief Michael King of Prairie du Chien, who also assisted authorship of Defensive and Arrest Tactics Guide, a training guide for Wisconsin Law Enforcement Officers, stated, "As a member of the state's ...

TASER International today announced that it received an order from the California Highway Patrol (CHP) for 1,659 TASER® X26 electronic control devices and related accessories. Sept. 13, 2007 4 min ...

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Apple is continuing to develop, refine, and expand its concept of a finger-worn, smart ring that could be used to wirelessly control nearby devices, or interface with an augmented reality peripheral ...