When building a model rocket, it can be fun to get into the maths of it all—calculating the expected performance of your build, and then seeing how it measures up in the real world. To aid in that ...

Landing a real rocket with propulsion is an incredibly complex task that took years to perfect; only recently did it cross into the realm of actual practicality. Joe Barnard, creator of the Youtube ...

Two hobbyists show how they can pull off SpaceX’s trick at a smaller scale with custom hardware and a few years of effort. Two hobbyists show how they can pull off SpaceX’s trick at a smaller scale ...