4 ms·
> wire out of sapphire! That's basically the same thing as fibreglass, just made from a different solid crystal. It's doable right now: https://www.lasercompon
by jiggawatts 3y ago
> wire out of sapphire!
That's basically the same thing as fibreglass, just made from a different solid crystal. It's doable right now: https://www.lasercomponents.com/de-en/product/sapphire-fibers/ https://www.lasercomponents.com/de-en/product/sapphire-fiber...
- lisper 3y agoGlass isn't crystalline, it's amorphous. I thought it would have a much lower melting point than sapphire as a result, but it turns out the difference is not nearly as big as I suspected, 1400-1600C vs 2000. TIL.
- deleted 3y ago[deleted]
- deleted 3y ago[deleted]