[halfmatthalfcat]

It's "HN-likely" which translates to "almost never" in reality.

[Supermancho]

Happens all the time, in reality (even on the darkside). When the atmosphere fails (again, happening all the time), error correction usually handles the errant bits.

[patja]

Especially since HN readers are more likely to be using ECC memory

[smegger001]

if cosmic ray bit flips were so rare then ecc ram wouldn't be a thing.

[Sayrus]

ECC protects against more events than cosmic rays. Those events are much more likely, for instance magnetic/electric interferences or chip issues.