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In very narrow spaces, liquids behave more like gels

Three molecules thick, or two, or one: how does an extremely thin layer of trapped liquid behave when we make it even thinner? Measurements made using the Atomic Force Microscope show that the forces of friction increase with each step.

Posted: Jun 3rd, 2011

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Phase-change memory solid state device points to future of computer storage

A University of California, San Diego faculty-student team is about to demonstrate a first-of-its kind, phase-change memory solid state storage device that provides performance thousands of times faster than a conventional hard drive and up to seven times faster than current state-of-the-art solid-state drives.

Posted: Jun 2nd, 2011

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Researchers build the most complex biochemical circuit ever created from scratch

In many ways, life is like a computer. An organism's genome is the software that tells the cellular and molecular machinery - the hardware - what to do. But instead of electronic circuitry, life relies on biochemical circuitry - complex networks of reactions and pathways that enable organisms to function. Now, researchers at the California Institute of Technology (Caltech) have built the most complex biochemical circuit ever created from scratch, made with DNA-based devices in a test tube that are analogous to the electronic transistors on a computer chip.

Posted: Jun 2nd, 2011

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