Electrical circuit runs entirely off power in trees

You've heard about flower power. What about tree power? It turns out that it's there, in small but measurable quantities. There's enough power in trees for University of Washington researchers to run an electronic circuit, ...

Tethercell battery could redefine smartphone control

(Phys.org)—An Indiegogo project by Tetherboard drew interest at CES in Las Vegas this week where a novel concept of phone battery was demonstrated. The prototype on show was Tethercell, an adapter which the user can control ...

Experimental wave-power buoy survives winter in Monterey Bay

In early January 2015, a team of MBARI engineers, led by Andy Hamilton, set out to sea to recover an experimental buoy that creates electrical energy from ocean waves. This power buoy had been deployed six miles southwest ...

Silicon carbide solutions to solar challenges revealed

STMicroelectronics is revealing innovations in silicon carbide devices at Solar Power International (SPI) 2012 that enable systems producers to build ultra-efficient electronics for converting raw solar energy into grid-quality ...

Don't change that channel: DTV woes still abound

(AP) -- Think the digital TV transition is over? Not quite. Many viewers have found that they can't pick up certain stations after the switch, even with the right TVs or converter boxes. The stations are still trying to ...

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