[ExI] hacked email

[Anders Sandberg]

Rafal Smigrodzki <rafal.smigrodzki at gmail.com> , 29/11/2014 6:57 PM:

### Tungsten or tungsten carbide? My cryonics bracelet and dog tag are made of tungsten carbide, it's definitely harder than tungsten alone.
It is mostly tungsten carbide. I seem to recall that it is less brittle too.
Overall, we choose black faceted and rather understated rings: https://flic.kr/p/pY7dfZ
So far I have not had the inclination of testing just what I can and cannot scratch with it...

Anders Sandberg, Future of Humanity Institute Philosophy Faculty of Oxford University
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