Does living near wind turbines negatively impact human health?

Wind turbines are a source of clean renewable energy, but some people who live nearby describe the shadow flicker, the audible sounds and the subaudible sound pressure levels as "annoying." They claim this nuisance negatively ...

Asymmetric sound absorption lets in the light

If you've ever lived in an apartment building or stayed in a hotel room, you are probably familiar with the inconvenience of inadequate sound absorption. Acoustic absorption refers to the absorption of sound energy by a material. ...

Support for tidal energy is high among Washington residents

Puget Sound is one of the best places in the United States to capture energy from tides. As water in the Sound rises and falls twice daily at high and low tide, strong underwater currents move swiftly in the narrow regions ...

Obama admin blocks seismic surveys in Atlantic Ocean

The Obama administration on Friday rejected requests by energy companies to conduct seismic surveys in the Atlantic Ocean to map potential drilling sites for oil and natural gas.

Laser physics upside down

At the Vienna University of Technology a system of coupled lasers has been created which exhibits truly paradoxical behaviour: An increase in energy supply switches the lasers off, reducing the energy can switch them on.

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