How much would it cost to build a RISC CPU out of carbon?

Question

RFC: Estimates on program costs to:Evaluate carbon-based alternatives for fabrication of electronic digital and quantum computersEvaluate scalable production processes for graphene-based transistors and other carbon-based nanofabrication capabilitiesEvaluate supply chain challenges in semiconductor and superconductor manufacturing and designInvest in developing chip fabrication capabilities that do not require rare earths in order to eliminate critical supply chain risks

westurner · Accepted Answer

> RFC: Estimates on program costs to:> Evaluate carbon-based alternatives for fabrication of electronic digital and quantum computers> Evaluate scalable production processes for graphene-based transistors and other carbon-based nanofabrication capabilities> Evaluate supply chain challenges in semiconductor and superconductor manufacturing and design> Invest in developing chip fabrication capabilities that do not require rare earths in order to eliminate critical supply chain risks