yogurtwrong@lemmy.world to Ask Science@lemmy.worldEnglish · edit-22 months agoWhy do these polarizers polarizers pass light through when stacked, even though each one individually blocks it?photos.aesistril.comexternal-linkmessage-square10linkfedilinkarrow-up122arrow-down10
arrow-up122arrow-down1external-linkWhy do these polarizers polarizers pass light through when stacked, even though each one individually blocks it?photos.aesistril.comyogurtwrong@lemmy.world to Ask Science@lemmy.worldEnglish · edit-22 months agomessage-square10linkfedilink
minus-squareroofuskit@lemmy.worldlinkfedilinkEnglisharrow-up3arrow-down1·2 months agoPolarizers don’t block light, they polarize it. https://en.wikipedia.org/wiki/Polarization_(waves) Read under Applications and Examples. They block it when they are not aligned the same way, they pass or through when aligned.
minus-squarerapchee@lemmy.worldlinkfedilinkEnglisharrow-up3·2 months agostill, there are two polarities, so if you put two on top it completely blocks the light, but if you put a third, it lets one polarity through again it makes no intuitive sense, because quantum (but i’ve seen it happen irl in high school)
Polarizers don’t block light, they polarize it.
https://en.wikipedia.org/wiki/Polarization_(waves)
Read under Applications and Examples.
They block it when they are not aligned the same way, they pass or through when aligned.
still, there are two polarities, so if you put two on top it completely blocks the light, but if you put a third, it lets one polarity through again
it makes no intuitive sense, because quantum (but i’ve seen it happen irl in high school)