Eavesdropping on the Brain with 10,000 Electrodes
Imagine a portable computer built from a network of 86 billion switches, capable of general intelligence sophisticated enough to build a spacefaring civilization-but weighing just 1.2 to 1.3 kilograms, consuming just 20 watts of power, and jiggling like Jell-O as it moves. There's one inside your skull right now.
https://spectrum.ieee.org/brain-implant