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Regulations Only a First Step in Cutting Emissions

Coal power plant in Datteln, Germany. Photo courtesy of Arnold PaulMIT study finds that sectoral regulations will not cut emissions enough to substantially limit climate change, but are a good step toward phasing in a price on carbon. Audrey Resutek...

Posted July 30, 2014    

Steam from the Sun

On the left, a representative structure for localization of heat; the cross section of structure and temperature distribution. On the right, a picture of enhanced steam generation by the DLS structure under solar illumination. Courtesy of the...

Posted July 22, 2014    

Making a Wire-Free Future

This diagram shows how WiTricity Corp.'s highly resonant coupling works. When a highly resonant transmitting copper coil, connected to an AC power source (top, left), is tuned to the same frequency as a highly resonant receiving copper coil (bottom...

Posted July 11, 2014    

Novel Bromine Battery: Small-Scale Demo, Large-Scale Promise

Left to right: William Braff PhD ’14, now of Exponent, Inc.; Martin Z. Bazant of chemical engineering and mathematics; and Cullen Buie of mechanical engineering are developing a low-cost, high-capacity, rechargeable battery that could one day enable...

Posted July 2, 2014    

Diagnosing 'Broken' Buildings to Make them Greener

(From left) Nicholas Gayeski, Sian Kleindienst, Stephen Samouhos, and John Anastasio, chief technology officer. Photo courtesy of KGS Buildings.Startup’s software detects inefficient equipment in facilities — saving energy, time, and money.Rob...

Posted June 24, 2014    

Seeing How a Lithium-Ion Battery Works

Diagram illustrates the process of charging or discharging the lithium iron phosphate (LFP) electrode. As lithium ions are removed during the charging process, it forms a lithium-depleted iron phosphate (FP) zone, but in between there is a solid...

Posted June 14, 2014    

Surprising Nanotubes: Some Slippery, Some Sticky

This iIllustration shows how researchers tested the characteristics of multi-walled boron nitride nanotubes, which consist of several nested tubes that are each just one atom thick. When attached to a device that can pull apart the tube from its two...

Posted June 5, 2014    

The Incredible Shrinking "Power Brick"

FINsix has developed the world’s smallest laptop adapter, called the Dart (pictured here), which measures around 2 1/2 cubic inches and weighs around 2 ounces. Courtesy of FINsix.Startup FINsix leverages novel MIT technology to shrink laptop...

Posted June 2, 2014    

Microbes Chow Down on Latest Fuel-Cell Tech

Cullen Buie. Photo: David SellaCullen Buie manipulates micro-scale phenomena to optimize energy conversion devices.MIT Industrial Liaison Program You can quickly run out of fingers and toes counting the many ways we waste energy. Take our sewage...

Posted May 31, 2014    

Improving a New Breed of Solar Cells

Researcher displays a sample of the record-setting new solar cell on the MIT campus. Photo courtesy of Chia-Hao ChuangQuantum-dot photovoltaics set new record for efficiency in such devices, could unlock new uses.David L. Chandler | MIT News Office...

Posted May 29, 2014    

A New Way to Make Sheets of Graphene

Illustrated here is a new process for making graphene directly on a nonmetal substrate. First, a nickel layer is applied to the material, in this case silicon dioxide (SiO2). Then carbon is deposited on the surface, where it forms layers of graphene...

Posted May 25, 2014    

A New Way to Harness Waste Heat

Image: Jose-Luis Olivares/MITElectrochemical approach has potential to efficiently turn low-grade heat to electricity.David L. Chandler, MIT News Office Vast amounts of excess heat are generated by industrial processes and by electric power plants;...

Posted May 22, 2014