NASA’s latest generation of 3D printed rocket engines is not just a materials experiment, it is a direct assault on the cost ...

3D printers have, surprisingly, been in existence since the eightie recently that they’ve become affordable. And, while it’s not quite the same as having a replicator in your home, there’s a definite ...

Putting payloads into model rockets can be more complex than simply shoving stuff into an open spot, so [concretedog] put some work into making a modular payload tube for his current rocket. The nose ...