Recently an ad on YouTube about an acoustic light sensor/switch module piqued my interest. Out of curiosity, I contacted the online vendor and bought a pair. Named MR-SK50A, the module is less popular ...

Airbags have been in development since the 1950s, were first used on the 1973 Oldsmobile Toronado, and have been standard equipment in the U.S. since 1999. Airbags are proven lifesavers, so why do ...