Wind energy: On the grid, off the checkerboard

As wind farms grow in importance across the globe as sources of clean, renewable energy, one key consideration in their construction is their physical design—spacing and orienting individual turbines to maximize their efficiency ...

Capturing wasted electricity with triboelectric generators

(Phys.org) —With one stomp of his foot, Zhong Lin Wang illuminates a thousand LED bulbs – with no batteries or power cord. The current comes from essentially the same source as that tiny spark that jumps from a fingertip ...

Galaxy winds

(Phys.org) —The most luminous galaxies in our universe are not particularly bright in the visible. Most of their energy output (which can be hundreds or even thousands of times more than our Milky Way's) is emitted at infrared ...

Disorder creates rust protection

Corrosion eats away 75 billion euros of economic output annually in Germany alone. But it may soon be possible to better assess which steels and other alloys will be affected, and how to limit the damage: An international ...

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