Sjmarf@sh.itjust.works to Science Memes@mander.xyzEnglish · 5 months agoI can whistle at the speed of soundsh.itjust.worksimagemessage-square131fedilinkarrow-up11.15Karrow-down19
arrow-up11.14Karrow-down1imageI can whistle at the speed of soundsh.itjust.worksSjmarf@sh.itjust.works to Science Memes@mander.xyzEnglish · 5 months agomessage-square131fedilink
minus-squareJumuta@sh.itjust.workslinkfedilinkEnglisharrow-up7arrow-down1·edit-25 months agojust shine a laser through a thing of zircon (n=index of refraction=1.923~2) so speed of the laser in the zircon = c/n ~c/2
just shine a laser through a thing of zircon (n=index of refraction=1.923~2)
so speed of the laser in the zircon = c/n ~c/2