来自MSN

How LED Light Therapy Works and What It Can Really Do for Your Skin

If you’ve ever scrolled through skincare TikTok or seen glowing selfies with futuristic-looking face masks, chances are you’ve come across LED light therapy. It looks high-tech (and to be fair, it is) ...
The Drive

Here’s How LED Headlight Optics Work

I’m something of a headlight nerd. In a previous life, I retrofitted HID projector headlamps onto my 2009 Honda Civic Si for better light output. I’m planning a similar project for my beater 2015 VW ...