With airports around the world looking to expand, noise pollution is one of the larger obstacles standing in their way. Beginning in 2003 with the Silent Aircraft Initiative, aircraft designers...

With airports around the world looking to expand, noise pollution is one of the larger obstacles standing in their way.   Beginning in 2003 with the Silent Aircraft Initiative, aircraft designers have begun focusing on noise reduction as a primary concern. 

A team of 40 researchers from Cambridge University and MIT has spent the last three years working on a concept “silent jet,” which would sound about as noisy as a washing machine or other household appliance to people on the ground. 

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