If we asked you to design a circuit to blink a flashing turn signal, you would probably reach for a cheap micro or a 555. But old cars used bimetallic strips in a thermomechanical design. Why? Because ...

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 ...

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 ...

How to build a transparent hybrid rocket engine using acrylic rod and a canister of oxygen, with a breakdown of how various other types of rocket engines work along the way. Consider supporting my ...

Aerospike rocket engines are the stuff of legend in the space industry. Conceived in the 1960s, their unique spiked-nozzle design promises better efficiency, reusability, and performance at all ...

Earlier this year, NASA and DARPA announced the goal to field a nuclear fission-powered spacecraft capable of ferrying human crews from Earth to Mars expediently sometime before this decade is out. If ...