News tagged with joule heating


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New structure could produce efficient semiconductor laser sources

New structure could produce efficient semiconductor laser sources

Physics / General Physics

created 2 hours ago | popularity 5 / 5 (1) | comments 0

(PhysOrg.com) -- University of Wisconsin-Madison researchers have achieved a nanoscale laser structure they anticipate will produce semiconductor lasers in the next two years that are more than twice as efficient ...


The world's highest efficiency energy conversion photovoltanic (solar panel) cell

Hi-tech, eco-friendly dream home takes shape in Japan

Technology / Energy

created 13 hours ago | popularity 4.5 / 5 (2) | comments 0

On Tokyo Bay, at the edge of the largest urban sprawl on Earth, sits what may be an environmentalist's dream home.


World's mayors tackle climate change on their own (AP)

World's mayors tackle climate change on their own

Space & Earth / Environment

created 13 hours ago | popularity 1 / 5 (1) | comments 0

(AP) -- It isn't easy getting Italy's city dwellers out of their Fiats, off their Vespa scooters and onto bicycles to ride to work, "like here in Copenhagen," says an Italian environmental official.



List of search results for joule heating