Why eumelanin is such a good absorber of light
Researchers uncover the secret of a ubiquitous pigment’s ability to absorb a broad spectrum of light, solving the mystery of how it protects the body from the hazards of radiation.
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Illuminating neuron activity in 3-D
New imaging system reveals neural activity throughout the brains of living animals, is the first that can generate 3-D movies of entire brains at the millisecond timescale, and could help scientists discover how neuronal networks process sensory information and generate behavior.
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Energy & Environment
A new way to harness waste heat
Vast amounts of excess heat are generated by industrial processes and by electric power plants; researchers around the world have spent decades seeking ways to harness some of this wasted energy. A new electrochemical approach has potential to efficiently turn low-grade heat to electricity.
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High-flying turbine produces more power
MIT alumni develop airborne wind turbine that floats 1,000 feet aloft to capture stronger, steadier winds. Proven to produce double the energy of similarly sized tower-mounted turbines, the system, called Buoyant Air Turbine (or BAT), is now readying for commercial deployment.
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Forecasting temperature extremes with ozone
MIT study finds that springtime ozone levels are good predictors of summertime temperatures in the Southern Hemisphere.
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Science & Tech
Glasses-free 3-D projector
A new design could also make conventional 2-D video higher in resolution and contrast, and provide a cheaper, more practical alternative to holographic video. Multiperspective 3-D could have applications in collaborative design and medical imaging, as well as entertainment.
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A new way to make sheets of graphene
Graphene’s promise as a material for new kinds of electronics and other uses has led researchers around the world to study the strong, lightweight, highly conductive material in search of new applications. A newly-discovered technique could enable advances in display screens, solar cells, and other devices.
Read more at http://bit.ly/1kLMnPZ