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 ...

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 ...

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 ...

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 ...

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 ...

We could all probably draw a rough sketch of a booster rocket and its engine if needed. You know, a giant pointy metal cylinder tapering into a spire at the top end and a bell-like shape at the bottom ...