Ceiling Being

From the SL4 Lexicon:

Ceiling Being:

A hypothetical futuristic entity approaching the physical limits of intelligence by being maximally efficient with available matter. A potential end-state of the universe, and a possible outcome of a Friendly Singularity. Very Speculative. See also eschatology, Alpha-Point computing, computronium, eschatology, superintelligence, Omega Point Theory, Power.