Word Association.

Is that what makes a jewel sparkle?

Thread:

Whiskey

(Idk about anywhere else, but the device in bars used to measure out a standard serving if whiskey is called an optic. I guess because you can see the glass bulb filling)

You nailed it Shauna :) A diamond is cut in such a way that TIR happens (above a critical angle) without losing its energy makes it sparkle.

images
1602508700gemstone-12_1200x1200.jpg


Thread:

Scotland :cool:
 
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