Dimmable sun visors are nothing new ... when it ended The Los Angeles landmarks from film and TV damaged by wildfires Woman with 90kg of viral Dubai chocolate apprehended by customs My husband ...

While you might not think much of the humble sun visor, it's a useful piece of equipment ... or even for people with modified cars who want virtually invisible auxiliary gauges for monitoring ...

And while nearly every commercial vehicle has featured sun visors for decades ... if Gentex’s newest ideas wind up in next-generation cars. Andrew Paul is Popular Science’s staff writer ...