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Owl Wing Design Could Make Wind Turbines Quieter

Owl Wing Design Could Make Wind Turbines Quieter

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 »

Flexible, Stretchable Battery

Flexible, Stretchable Battery

A team of engineers at Arizona State University and Jinan University in China have redesigned the lithium-ion battery to fold, expand and contract, allowing it to stretch and expand to more than 150% of its compacted size even when being used. The new design uses an extremely common battery and overcomes the tendency for the […]  Read more »

New Roof Coating Keeps Roofs Much Cooler

New Roof Coating Keeps Roofs Much Cooler

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

Cheaper, Silent, Bladeless Wind Turbines

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 »

“Refrigeration Battery” Can Cut Commercial Energy Use

“Refrigeration Battery” Can Cut Commercial Energy Use

A “refrigeration battery”, which stores cooling for later use, can cut peak electricity demand by as much 40%.  Read more »

Passive Computer Cooling System Could Save Billions

Passive Computer Cooling System Could Save Billions

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

Energy-saving Smart Facades

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

Hybrid Supercapacitors Promise Large Storage and Fast Charging

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

Fueling Vehicles with Hydrogen from Corn Waste

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

Daimler’s “SuperTruck” Halves Fuel Consumption

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