IEEE spectrum had a nice article very recently <a href="http:&#x2F;&#x2F;spectrum.ieee.org&#x2F;computing&#x2F;hardware&#x2F;how-to-kill-a-supercomputer-dirty-power-cosmic-rays-and-bad-solder" rel="nofollow">http:&#x2F;&#x2F;spectrum.ieee.org&#x2F;computing&#x2F;hardware&#x2F;how-to-kill-a-su...</a>