Modern AI models gulp power by the millions of watts. That energy demand is one of the biggest barriers to the industry’s growth. Could neurons be more efficient? https://www.economist.com/science-and-technology/2026/03/30/why-a-startup-is-teaching-human-brain-cells-to-play-doom?taid=69cd0d7743cf4a0001a4e250&utm_campaign=trueanthem&utm_medium=social&utm_source=voante