Building and flying model rockets is great fun ... which dumps power from a dedicated separate battery into the rocket motor igniter. This allows the rocket to be fired wirelessly.

[Joe Barnard] is working on a model ... motor mounts and reaction wheels for active stabilization during launch and flight. The rockets are clamped to the launchpad right up to ignition, and ...

There probably never was a better time for rocket engine fans to be alive ... the hardware successfully achieved ignition this month, marking an important milestone in its development, but ...