Mind in the machine
To write your girlfriend a poem, GPT-4, an artificial intelligence system, requires orders of magnitude more energy than your brain does. That’s because AI doesn’t really function like the brain. Rather, it runs like all other computer software by flooding microchips with huge quantities of binary signals, in the form of zeros and ones, and gobbling up electricity along the way. Kwabena Boahen, PhD, a professor of bioengineering and of…