gdv87B to Watches@style.landEnglish · 10 months ago[Morgenwerk watches]plus-squaremessage-squaremessage-square0fedilinkarrow-up11arrow-down10
arrow-up11arrow-down1message-square[Morgenwerk watches]plus-squaregdv87B to Watches@style.landEnglish · 10 months agomessage-square0fedilink
minus-squaregdv87BtoWatches@style.land•[Discussion] I didn't know thislinkfedilinkEnglisharrow-up1·10 months agoSnell’s law. You are varying the refractive index of the external medium (air vs water), thus varying the critical angle for total internal reflection. linkfedilink
Snell’s law. You are varying the refractive index of the external medium (air vs water), thus varying the critical angle for total internal reflection.