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Discovery opens door for radical reduction in energy consumed by digital devices

A new paper describes the first direct observation of a long-hypothesized but elusive phenomenon called 'negative capacitance'. The work describes a unique reaction of electrical charge to applied voltage in a ferroelectric material that could open the door to a radical reduction in the power consumed by transistors and the devices containing them.

Posted: Dec 17th, 2014

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Pyramid nanoscale antennas beam light up and down

The new antennas look like pyramids, rather than the more commonly used straight pillars. The pyramid shape enhances the interference between the magnetic and electric fields of light. This makes the pyramid-shaped antenna capable of enhancing light emission and beaming different colours of light towards opposite directions.

Posted: Dec 17th, 2014

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Turning hydrogen into graphene

New work delves into the chemistry underlying some surprising recent observations about hydrogen and reveals remarkable parallels between hydrogen and graphene under extreme pressures.

Posted: Dec 16th, 2014

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Line dancing bacteria on a chip (w/video)

By changing the direction of a magnetic field, so-called magneto-tactic bacteria are able to make a full U-turn. They can be taught line dancing in this way, inside the tiny micro channels of a lab on a chip.

Posted: Dec 16th, 2014

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Self-repairing subsea material

Embryonic faults in subsea high voltage installations are difficult to detect and very expensive to repair. Researchers believe that self-repairing materials could be the answer.

Posted: Dec 16th, 2014

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