this post was submitted on 05 Feb 2025

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170

idijt (mander.xyz)

submitted 4 months ago by [email protected] to c/[email protected]

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[–] [email protected] 74 points 4 months ago (2 children)

Cute, but no. The definition of shining is not limited to emitting light.

[–] [email protected] 6 points 4 months ago (1 children)

Einstein was clearly no etymologist

[–] [email protected] 5 points 4 months ago

I can never remember the difference between etymology and entomology and I can't put into words how much that bugs me.

[–] [email protected] 1 points 4 months ago (2 children)

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

[–] [email protected] 2 points 4 months ago

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

[–] [email protected] 2 points 4 months ago (1 children)

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.

[–] [email protected] 1 points 4 months ago (1 children)

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

[–] [email protected] 2 points 4 months ago (1 children)

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

[–] [email protected] 1 points 4 months ago (1 children)

The silver reflects tho

[–] [email protected] 2 points 4 months ago

And so does the internal surface of a diamond.

[–] [email protected] 44 points 4 months ago* (last edited 4 months ago) (3 children)

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

[–] [email protected] 12 points 4 months ago (1 children)

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.

[–] [email protected] 2 points 4 months ago (1 children)

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

[–] [email protected] 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"

[–] [email protected] 10 points 4 months ago

Rhianna and Einstein both know something about black bodies.

[–] [email protected] 3 points 4 months ago

Albert knows that they actually do shine. In infrared

[–] [email protected] 25 points 4 months ago* (last edited 4 months ago)

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

[–] [email protected] 15 points 4 months ago (2 children)

If a post labeled, essentially, 'idiot', has two English mistakes in glurge written for a genius, is that irony?

[–] [email protected] 12 points 4 months ago

Nothing is more on brand than a language pedant making grammar mistakes. What do you expect of person who thinks memorizing rules is the hallmark of intelligence?

[–] [email protected] 7 points 4 months ago (1 children)

Like rain on your wedding day.

[–] [email protected] 6 points 4 months ago (2 children)

If that gets stuck in my head I'm gonna be so fucking mad.

[–] [email protected] 3 points 4 months ago

A free ride, when you already paid.

[–] [email protected] 1 points 4 months ago

here's a cure

[–] [email protected] 11 points 4 months ago

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

[–] [email protected] 11 points 4 months ago

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

[–] [email protected] 9 points 4 months ago (1 children)

picard

Diamond also has a very high refractive index and a relatively high optical dispersion.

[–] [email protected] 3 points 4 months ago* (last edited 4 months ago)

i mean, they reflect too, everything reflects, though we generally mean specular reflection but diamonds have that too when they're polished nicely.

[–] [email protected] 8 points 4 months ago

Everything shines, everything reflects...

[–] [email protected] 6 points 4 months ago

boomer meme that i probably upvoted on facebook in 2012

[–] [email protected] 4 points 4 months ago

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

[–] [email protected] 4 points 4 months ago

Diamonds*

[–] [email protected] 3 points 4 months ago

How about shine like a quasar