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News tagged with efficiency

Related topics: solar cells

New inexpensive, environmentally friendly solar cell shines with potential

(Phys.org) -- The limitations of conventional and current solar cells include high production cost, low operating efficiency and durability, and many cells rely on toxic and scarce materials. Northwestern University researchers ...

Technology / Energy & Green Tech

created May 23, 2012 | popularity 4.8 / 5 (13) | comments 4 | with audio podcast

Carbon dioxide emissions reach record high

Emissions of heat-trapping carbon dioxide reached an all-time high last year, further reducing the chances that the world could avoid a dangerous rise in global average temperature by 2020, according to the International ...

Space & Earth / Environment

created May 29, 2012 | popularity 3.8 / 5 (6) | comments 6

Sound increases the efficiency of boiling

Scientists at the Georgia Institute of Technology achieved a 17-percent increase in boiling efficiency by using an acoustic field to enhance heat transfer. The acoustic field does this by efficiently removing vapor bubbles ...

Physics / Soft Matter

created May 24, 2012 | popularity 5 / 5 (3) | comments 6

Graetzel cells are implanted in an iPad keyboard

Dye-sensitized solar cells (DSSC) from EPFL enter the public market. Logitech chose this technology to power its new flagship product.

Technology / Engineering

created May 29, 2012 | popularity 2.7 / 5 (3) | comments 0

Fuel efficiency tops wish list of new-car buyers

Fuel efficiency was the most important car-purchase factor for 37 percent of those surveyed in the new Consumer Reports National Research Center car-owner survey.

Technology / Energy & Green Tech

created May 28, 2012 | popularity 5 / 5 (1) | comments 3