Machine learning finds new metamaterial designs for energy harvesting

Electrical engineers have harnessed the power of machine learning to design dielectric (non-metal) metamaterials that absorb and emit specific frequencies of terahertz radiation. The technique drops the time needed to simulate possible configurations from more than 2,000 years to 23 hours, which should facilitate the design of sustainable types of thermal energy harvesters and lighting.

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A new way to turn heat into useful energy

An international team of scientists has figured out how to capture heat and turn it into electricity. The discovery could create more efficient energy generation from heat in things like car exhaust, interplanetary space probes and industrial processes.

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Engineers create tunable, nanoscale, incandescent light source

Engineers have created what may be viewed as the world's smallest incandescent lightbulbs, collections of near-nanoscale materials called 'selective thermal emitters' that absorb heat and emit light. Their research could have applications in sensing, photonics and perhaps in computing platforms beyond the limitations of silicon.

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New method reveals how damage occurs in human biological cells due to mechanical fatigue

Researchers have developed a novel way to measure how mechanical fatigue affects biological cells. They also have established the important role of this effect in influencing physical properties of biological cells such as red blood cells (RBCs). This new technique assesses the mechanical integrity and fatigue behavior of RBCs using a general microfluidics method that incorporates amplitude-modulated electro-deformation. This method has important applications for mechanical fatigue studies in conjunction with other microenvironments related to health and materials engineering.

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New sample holder for protein crystallography

A research team has developed a novel sample holder that considerably facilitates the preparation of protein crystals for structural analysis. New research shows how proteins in solution can be crystallized directly onto the new sample holders themselves, then analyzedd using the MX beamlines at BESSY II. A patent has already been granted and a manufacturer found.

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Paramagnetic spins take electrons for a ride, produce electricity from heat

Local thermal perturbations of spins in a solid can convert heat to energy even in a paramagnetic material — where spins weren't thought to correlate long enough to do so. This effect, which the researchers call 'paramagnon drag thermopower,' converts a temperature difference into an electrical voltage.

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