News tagged with jet engines

The sublime challenge of jet noise

Humans make a lot of noise. The riffs of heavy metal bands like Metallica and Kiss have soared to levels in the 130-decibel range, levels sure to lead to auditory damage.

dateSep 19, 2017 in Engineering
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Electric airplanes (batteries included)

If there were no need for massive batteries, electric propulsion could dramatically reduce aviation's contribution to climate change from carbon dioxide emissions. But what if the plane, itself, were the battery?

dateAug 25, 2016 in Energy & Green Tech
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Using turbulence to keep dams clean

Sediment builds up in reservoir water and can prevent dams from operating properly. EPFL researchers have come up with a method of keeping sediment in suspension and allowing it be flushed out.

dateApr 20, 2016 in Engineering
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