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Owl Wing Design Could Make Wind Turbines Quieter

Written by , on June 16, 2015

Conservationists are concerned about the effects of the noise of wind turbines on wildlife and some people who live near turbines complain about their noise. Researchers led by Nigel Peake at the University of Cambridge have turned to owls for ideas about how to reduce the noise. Owls are famously silent predators, able to surprise […]  Read more »

New Roof Coating Keeps Roofs Much Cooler

Written by , on June 10, 2015

Scientists at the University of Technology Sydney have developed a coating which keeps roofs significantly cooler than the ambient air temperature, even under the most intense summer conditions. Dr Angus Gentle and Emeritus Professor Geoff Smith reported that a roof with a “coated polymer stack” – a combination of specially chosen polyesters on a silver […]  Read more »

Cheaper, Silent, Bladeless Wind Turbines

Written by , on May 17, 2015

In 1940, the newly built Tacoma Narrows Bridge began to vibrate violently and soon collapsed in windy conditions. Ever since, engineers have focused on ways of stopping their structures vibrating in this way. Now, a group of Spanish engineers is working to harness the energy potential of vibrating structures. Instead of using the wind to […]  Read more »

Passive Computer Cooling System Could Save Billions

Written by , on May 1, 2015

Engineers at the University of Alabama are testing a passive cooling system for computer processors that they believe could save U.S. consumers more than $6.3 billion a year in energy costs associated with running their computer cooling fans.  Read more »

Energy-saving Smart Facades

Written by , on April 20, 2015

Researchers and designers at Germany’s Fraunhofer Institute have developed a building façade element which uses the sun’s energy to shield the building’s interior from the sun.  Read more »

Hybrid Supercapacitors Promise Large Storage and Fast Charging

Written by , on April 20, 2015

Scientists at UCLA have developed hybrid supercapacitors that can store as much charge as a lead acid battery, yet can be recharged in seconds compared with hours for conventional batteries.  Read more »

Fueling Vehicles with Hydrogen from Corn Waste

Written by , on April 8, 2015

Researchers have found a way to make hydrogen fuel by a biological method that uses cheap and abundantly available corn stover (the stalks, cobs and husks) and greatly reduces the time it takes to produce the fuel.  Read more »

Daimler’s “SuperTruck” Halves Fuel Consumption

Written by , on April 8, 2015

Daimler has now unveiled its response, the “Freightliner SuperTruck” which is claimed to improve fuel efficiency by 115% over the baseline standard.  Read more »

Packing Peanuts Provide Power

Written by , on March 30, 2015

Scientists have developed a heating process that converts the “peanuts” used for packaging into carbon anodes for lithium batteries.
As well as eliminating waste, the technique produces batteries that recharge much faster because the carbon anodes are only a tenth as thick as their commercially available counterparts.  Read more »

Hydrogen from Wastewater

Written by , on February 25, 2015

Researchers from the Universitat Autònoma de Barcelona have reported that they have developed an efficient way to obtain electrical energy and hydrogen in a wastewater treatment process. The system uses bacteria which consume the organic material and generate electricity which is used to produce hydrogen.   Read more »