“@FutureJurvetson @SpaceX Indeed. It is not widely understood that SpaceX has the most advanced 3D me…”

“@SpaceX In a few years, we will finally have a Raptor 3/4 vacuum version (giant nozzle) that has an …”

“Worth it”

“@SpaceX Important to note that the induced mass (mass required by a given engine design that is not …”