It's a thought experiment. It's not impossible to imagine a perfected sensory deprivation tank where you do not hear yourself move or breathe. The other stimuli

It's a thought experiment. It's not impossible to imagine a perfected sensory deprivation tank where you do not hear yourself move or breathe. The other stimuli are, from what I understand, hallucinations, and as such are irrelevant to the experiment. > As long as you're going to recreate memories indistinguishable from reality, you'll further need to create sensory input indistinguishable from reality. At which point you've simulated the entire encounterable universe Not really, after all you only need to simulate the universe at the human level of the perception, which means you can ignore most of the computational complexity of simulating the actual universe. >Each component technology might be interesting for its own sake, but aside from the philosophical point, what's the use? The carbon based versions are plentiful, and the construction process... The cabron based forms are not very durable (80 years ? c'mon), they break easily, and don't perform very well...