Engineering

Propellers are louder over ground, researchers find

The effects of the ground on propeller noise have been measured experimentally for the very first time by researchers in the Aeroacoustics research team at the University of Bristol.

Engineering

Turning problems into opportunities in urban areas

Currently, about 55 percent of the world's population lives in urban areas, a proportion that is expected to increase to 68 percent by 2050, according to a UN report. With several challenges posed by continued urbanization, ...

Engineering

How roads can help cool sizzling cities

Special permeable concrete pavement can help reduce the "urban heat island effect" that causes cities to sizzle in the summer, according to a Rutgers-led team of engineers.

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