Automotive

Reducing aircraft noise: One decibel at a time

In mid-December 2023, a demonstration in Ireland revealed the strength of public concerns about noise caused by commercial airplanes. Protesters gathered outside the county offices where the Dublin Airport Authority was discussing ...

Engineering

Shape-memory alloys might help airplanes land without a peep

Having a home near a busy airport certainly has its perks. It is close to many establishments and alleviates the problem of wading through endless traffic to catch flights. But it does come at a cost—tolerating the jarring ...

Engineering

NASA technologies significantly reduce aircraft noise

A series of NASA flight tests has successfully demonstrated technologies that achieve a significant reduction in the noise generated by aircraft and heard by communities near airports.

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