Nanotechnology News – Latest Headlines

Hot nanostructures cool faster when they are physically close together

A complete description of nanoscale thermal transport is a fundamental problem that has defied understanding for decades. Here, researchers uncover a new regime of thermal transport near nanoscale structures, where counterintuitively, nanoscale hot spots cool more quickly when placed close together than when they are widely separated.

Jun 17th, 2015

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Renewable energy from evaporating water (w/video)

Scientists report the development of two novel devices that derive power directly from evaporation - a floating, piston-driven engine that generates electricity causing a light to flash, and a rotary engine that drives a miniature car.

Jun 16th, 2015

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Graphene heat-transfer riddle unraveled

Researchers have solved the long-standing conundrum of how the boundary between grains of graphene affects heat conductivity in thin films of the miracle substance - bringing developers a step closer to being able to engineer films at a scale useful for cooling microelectronic devices and hundreds of other nano-tech applications.

Jun 16th, 2015

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Diamonds are for temperature

Luminescent signals from green glowing diamond defects could monitor temperature in a range of physical and biological systems with unprecedented versatility.

Jun 16th, 2015

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Theory turns to reality for nonlinear optical metamaterials (w/video)

A research team has realized one of the long-standing theoretical predictions in nonlinear optical metamaterials: creation of a nonlinear material that has opposite refractive indices at the fundamental and harmonic frequencies of light. Such a material, which doesn't exist naturally, had been predicted for nearly a decade.

Jun 16th, 2015

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