Archive: 07/29/2011

Metamaterials used to mimic the Big Crunch

Spacetime analogs is an emerging field of physics in which scientists investigate systems having mathematical links with general relativity, and test their theories about the early behavior of the universe. The latest in ...

Jul 29, 2011 report
4.5 / 5 (14) 9 | with audio podcast

War on willows

Willows are major environmental weeds of riverbank habitats across much of south-eastern Australia. They obstruct water flow, increase water temperature, change water chemistry and can displace native riverine ...

Jul 29, 2011
3 / 5 (2) 0

Sun-free photovoltaics

A new photovoltaic energy-conversion system developed at MIT can be powered solely by heat, generating electricity with no sunlight at all. While the principle involved is not new, a novel way of engineering ...

Jul 29, 2011
4.9 / 5 (11) 6 | with audio podcast

EPA targets air pollution from gas drilling boom

(AP) -- Faced with a natural gas drilling boom that has sullied the air in some parts of the country, the Environmental Protection Agency on Thursday proposed for the first time to control air pollution at oil and gas wells, ...

Jul 29, 2011
4.2 / 5 (5) 1

Genetic evidence clears Ben Franklin (w/ Video)

The DNA evidence is in, and Ben Franklin didn't do it. Genetic tests on more than 1,000 Chinese tallow trees from the United States and China show the famed U.S. statesman did not import the tallow trees ...

Jul 29, 2011
5 / 5 (2) 0 | with audio podcast

Cows may hold the key to greener fuels

Scientists in Scotland are turning to cows and the tiny organisms and enzymes found in their stomachs for a potential way to create industrial products such as biofuels from plant waste and plan to unveil their ideas at a ...

Jul 29, 2011 weblog
3.2 / 5 (5) 1 | with audio podcast