'accelerando' had a great throwaway line about that: And then there's the weirdness beyond M31: According to the more conservative cosmologists, an alien super

'accelerando' had a great throwaway line about that: And then there's the weirdness beyond M31: According to the more conservative cosmologists, an alien superpower – maybe a collective of Kardashev Type Three galaxy-spanning civilizations – is running a timing channel attack on the computational ultrastructure of space-time itself, trying to break through to whatever's underneath.