YarHarSuperstar@lemmy.world to Ask Lemmy@lemmy.world · 1 year agoWhy is the sky purple in the reflection of my friend's glasses?lemmy.worldexternal-linkmessage-square7fedilinkarrow-up125arrow-down15file-text
arrow-up120arrow-down1external-linkWhy is the sky purple in the reflection of my friend's glasses?lemmy.worldYarHarSuperstar@lemmy.world to Ask Lemmy@lemmy.world · 1 year agomessage-square7fedilinkfile-text
minus-squareYarHarSuperstar@lemmy.worldOPlinkfedilinkarrow-up2·1 year agoThank you, that is very interesting. They said they remembered being told at some point that there was a coating on the glasses.
Thank you, that is very interesting. They said they remembered being told at some point that there was a coating on the glasses.
It’s standard to have UV protection.