Comment on xkcd #2929: Good and Bad Ideas
Spur4383@lemmy.world 4 months agoThey work based on UV light. So they will not transition inside cars. They also will not transition in cold weather, so you’ll walk in snow with clear glasses and have dark ones for 5 minutes once you go inside.
BearOfaTime@lemm.ee 4 months ago
Never had them not work in cold. They change even during heavy snowfall when it’s well below freezing and well, no sun, heavy clouds. It’s great because they help with the glare from snow.