News tagged with electrical current

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Optical materials: Solar cells step up

The Sun is our most promising source of clean and renewable energy. The energy that reaches the Earth from the Sun in an hour is almost equivalent to that consumed by humans over a year. Solar cells can tap ...

Nov 20, 2013
3.3 / 5 (3) 0

Electric fish may have switched from AC to DC

Two very similar species of Amazonian electric fish share a key difference: One uses direct current (DC) and the other alternating current (AC), according to research that formally describes the two species ...

Oct 01, 2013
4.7 / 5 (11) 0 | with audio podcast