Comment Maxing out the universe... (Score 1) 129
The universe is plenty big enough. 2^64 is about 1.8x10^19 and there are around 10^59 atoms in just one average-sized star. That leaves 5.5x10^39 atoms per bit. That's a lot of atoms; a lot more than a trillion kilograms, in fact.
The universe is really, really big..