The principle of substrate-independence is described by the neuroscientist David Eagleman in his book The Brain: "If that turns out to be true, then in theory you could run the brain on any substrate. As long as the computations chug along in the right way, then all your thoughts, emotions, and complexities should arise as a product of the complex communications within the new material. In theory, you might swap cells for circuitry, or oxygen for electricity: the medium doesn't matter, provided that all the pieces and parts are connecting and interacting in the right way. In this way, we may
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