But that’s the case with PennDOT’s Highland Park Interchange Project for which locally based, award-winning artist Brian Peters designed unique sound barrier walls. The wavy design is ...
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IFLScience on MSNNASA Image Shows XB-1 Jet Break The Sound Barrier Without Producing Audible Sonic BoomBoom Supersonic, the company aiming to create commercial planes that can travel faster than the speed of sound, have ...
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