Boom Supersonic CEO @bscholl explains why the race to AI superintelligence could come down to turbine blades that only a couple of companies on Earth can manufacture: "The hardest stuff are the turbine blades that spin at ten thousand RPM in an environment that is about three thousand degrees, hotter than Starship on re-entry." "They have to be actively cooled, or they will melt. @elonmusk talked about this a couple days ago on the SpaceX earnings call." "Those blades are the bottleneck in…