Hacker News with Generative AI: Propulsion

Rotating Detonation Engine (twz.com)
A novel type of jet propulsion, a rotating detonation engine (RDE), has been successfully tested by Pratt & Whitney. The development could be highly significant for the U.S. military, with RDE technology at the center of the project called Gambit, which aims to provide a propulsion system for a mass-producible, low-cost, high-supersonic, long-range weapon for air-to-ground strike.
Antimatter production, storage, control, annihilation applications in propulsion (sciencedirect.com)
Antimatter propulsion is a groundbreaking technology with potential to transform space exploration, enabling travel to distant locations once deemed impossible.
Beamed Propulsion and Planetary Security (centauri-dreams.org)
Power beaming to accelerate a ‘lightsail’ has been pondered since the days when Robert Forward became intrigued with nascent laser technologies.
GE Aerospace Successfully Develops and Tests New Hypersonic Dual-Mode Ramjet (geaerospace.com)
NASA Veteran's Propellantless Propulsion Drive That Physics Says Shouldn't Work (thedebrief.org)
Cycloidal marine propellers: Efficient thrust in any direction (newatlas.com)
RocketStar tests fusion-enhanced in-space propulsion process (aerospacetestinginternational.com)