ScienceDaily: Top Technology News

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Water molecules control inactivation and recovery of potassium channels Posted: 28 Jul 2013 10:40 AM PDT Just 12 molecules of water cause the long post-activation recovery period required by potassium ion channels before they can function again. Using molecular simulations that modeled a potassium channel and its immediate cellular environment, atom for atom, scientists have revealed this new mechanism in the function of a nearly universal biological structure, with implications ranging from fundamental biology to the design of pharmaceuticals.

Speed limit set for ultrafast electrical switch Posted: 28 Jul 2013 10:40 AM PDT Researchers have clocked the fastest-possible electrical switching in magnetite, a naturally magnetic mineral. Their results could drive innovations in the tiny transistors that control the flow of electricity across silicon chips, enabling faster, more powerful computing devices.

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