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[-] Soleos@lemmy.world 73 points 4 months ago
[-] TheEighthDoctor@lemmy.zip 1 points 4 months ago

Well awktshualy...the definition says reflect, and while diamonds reflect internally, they refract light externally, so, the diamond is not bright because it reflects (those reflections are on the inside) they shine because they refract

[-] stephen01king@lemmy.zip 2 points 4 months ago

But isn't their shine mostly due to the internal reflection rather than external refraction? That's why the gems are cut angularly, to help with the internal reflection.

[-] TheEighthDoctor@lemmy.zip 1 points 4 months ago

You can only observe the external properties since you are on the outside

[-] stephen01king@lemmy.zip 2 points 4 months ago

By that logic, glass mirrors also work by refraction, because it refracts out of the glass before it reaches your eye.

[-] TheEighthDoctor@lemmy.zip 1 points 4 months ago
[-] stephen01king@lemmy.zip 2 points 4 months ago

And so does the internal surface of a diamond.

[-] Soleos@lemmy.world 2 points 4 months ago

Well awktshualy, read the whole definition entry. Pendants are always so eager to ignore lay meanings.

[-] bjoern_tantau@swg-empire.de 41 points 4 months ago* (last edited 4 months ago)

Albert knows that they actually do shine. This meme could only have been more wrong if it was Plank.

[-] wolframhydroxide@sh.itjust.works 12 points 4 months ago

Yet another way this is wrong: the primary cause of the adamantine lustre of diamonds is refraction. Any old hunk of metal can reflect light.

[-] stephen01king@lemmy.zip 2 points 4 months ago

Isn't it caused by internal reflection? That, by definition, is what happens when the light doesn't refract out of the diamond.

[-] wolframhydroxide@sh.itjust.works 1 points 4 months ago* (last edited 4 months ago)

I considered that when posting, though the play of prismatic colors which defines the diamond's unique lustre, in addition to that same tendency toward internal reflection, are both ultimately caused by the extraordinary refractory properties of the crystal structure, and the refracted light coming out of the diamond after internal reflection is the constituent of the "shine"

[-] DoYouNot@lemmy.world 10 points 4 months ago

Rhianna and Einstein both know something about black bodies.

[-] mnemonicmonkeys@sh.itjust.works 4 points 4 months ago

Albert knows that they actually do shine. In infrared

[-] TransSynthesist 25 points 4 months ago* (last edited 4 months ago)

Unless they're a crazy diamond. They shine on!

[-] psx_crab@lemmy.zip 11 points 4 months ago

I mean, "Shine bright like a 120w LED light bulb" doesn't sounds good.

[-] FiskFisk33@startrek.website 11 points 4 months ago

The "shining" nature of diamonds is not due to their reflective properties, it's due to how they refract.

[-] justme@lemmy.dbzer0.com 8 points 4 months ago

Everything shines, everything reflects...

[-] Gold_E_Lox@lemmy.world 6 points 4 months ago

boomer meme that i probably upvoted on facebook in 2012

[-] TastyWheat@lemmy.world 4 points 4 months ago
[-] rainerloeten@lemmy.world 4 points 4 months ago

Didn't SIA wrote it and allegedly in like 30 minutes or so?

[-] IsoSpandy@lemm.ee 3 points 4 months ago

How about shine like a quasar

this post was submitted on 05 Feb 2025
252 points (100.0% liked)

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