Programming the Universe by Seth Lloyd (physics professor at MIT who likes to call himself a "quantum mechanic"). Here's a relevant paper by Lloyd titled "Ulti

Programming the Universe by Seth Lloyd (physics professor at MIT who likes to call himself a "quantum mechanic"). Here's a relevant paper by Lloyd titled "Ultimate physical limits to computation": http://arxiv.org/abs/quant-ph/9908043v3 http://arxiv.org/abs/quant-ph/9908043v3