Having received permission from Austrian authorities to begin outdoor flight testing on its remarkable CycloRotor-propelled technology demonstrator, CycloTech has announced noise testing results for ...

Indoor pass-by testing not only helps vehicle OEMs comply with new noise limits but also optimizes and investigates their designs in a cost-effective manner. Worldwide road traffic noise is one of the ...

The use of passive devices in low-voltage applications is becoming increasingly common. For example, laptops and cell phones require batteries with ultra low internal (ionic) resistance. So ...

Two testing facilities for photovoltaic noise barriers are being built by a Belgian consortium. Their creators want to assess different PV technologies, reduce costs and plan large scale projects in ...