alt Hacker News>The primary source of uncorrelated bit-flips is, effectively, cosmic radiation.
This gets said a lot but with little evidence. The mario speedrun bit flip has been replicated with marginal connector insertion.
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wmf • yesterday at 5:48 PM
AFAIK it's been documented by Los Alamos since they're at high altitude.
adrian_b • yesterday at 5:22 PM
There is a lot of direct evidence from increased error rates in computers on airplanes.
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Engineering computer memory to work in space is a whole field of study, see Radiation Hardened memory. The main physical difference about space is the radiation profile and radiation induced memory upset.
Are you disputing that the Earth's atmosphere absorbs and reduces the amount of ambient cosmic radiation? Or where is the skepticism coming from?