Related topics: water · meteorite

Dog park lit by dog poop

(PhysOrg.com) -- A methane digester called "Park Spark" has been installed in a dog park in Cambridge, Massachusetts. The device produces methane by bacterial digestion of the dog excrement, and the methane is used to light ...

Engineering researchers achieve organic laser breakthrough

(PhysOrg.com) -- Researchers at the University of Michigan have achieved a long sought-after optics phenomenon that could lead to more efficient and flexible lasers for telecommunications and quantum computing applications, ...

A Straightforward Solution for Increasing Solar Cell Performance

(PhysOrg.com) -- Brookhaven National Laboratory researchers recently demonstrated improved stability and efficiency of a certain type of solar cell by incorporating a commercially available additive into the fabrication process.

Mechanical devices stamped on plastic

(PhysOrg.com) -- Microelectromechanical devices -- tiny machines with moving parts -- are everywhere these days: they monitor air pressure in car tires, register the gestures of video game players, and reflect light onto ...

How 'random' lasers work

When University of Utah scientists discovered a new kind of laser that was generated by an electrically conducting plastic or polymer, no one could explain how it worked and some doubted it was real. Now, a decade later, ...

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