4 ms·
The mirrors are gold plated beryllium so it wouldn't be a crack anyway, or at least not a crack like one would think about glass cracking.
by pilsetnieks 4y ago
The mirrors are gold plated beryllium so it wouldn't be a crack anyway, or at least not a crack like one would think about glass cracking.
- skykooler 4y agoBeryllium is fairly brittle as far as metals go, so a crack wouldn't be out of the question.
- 323 4y agoBut alloys don't behave like the individual elements, so Beryllium being brittle doesn't mean that the alloy also is. Just like Carbon has multiple crystallization forms with wildly different mechanical properties (graphite vs diamond)
- adastra22 4y agoPlating is not an alloy though?
- defterGoose 4y agostr.replace(?,.)