How to build a lunar mass driver

Casey Handmer May 2026 What? Elon has recently (late 2025, early 2026) been talking about building many terawatts of orbital AI compute and launching some components from Moon factories with a mass driver. This is an old idea, enabled by the Moon’s relatively low gravity and lack of an atmosphere. See, for example, The Moon is a Harsh Mistress and The High Frontier. The fundamental problem with The High Frontier is that the set of products that can be made in space and sold on Earth while making...