dymalloy is a really neat thing

it's an alloy of 20% copper, 80% silver, and <1% tiny diamonds dispersed through it

It's absurdly expensive but it also has among the highest thermal conductivity of anything workable at over 400 W/m·K, even higher than pure copper

it's about ½ to ⅓ as conductive as pure diamond but a) pure diamond is orders of magnitude more absurdly expensive than dymalloy and b) it's not workable, you can't machine it

-F

@Nine diamond is, unless we're mistaken, the most thermally conductive thing known, up to 1300 W/m·K

it has the uncommon property of being highly thermally conductive while also being very electrically insulative, which makes it really useful for heatsinks if it wasn't so expensive
-F

@Felthry wooaaa... That's hecka cool and I had no idea :O

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