A former NASA engineer says his propellant-free engine can beat Earth’s gravity, but the real test is whether physics lets it leave the lab

A former NASA engineer claims a new engine can beat gravity without fuel. Is it a breakthrough or just a classic physics trap?
RealClearScience

The Search for Anti-Gravity Propulsion

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insider.si.edu

Secrets of antigravity propulsion : Tesla, UFOs, and classified aerospace technology / Paul A. LaViolette

Antigravity -- Beyond rocket propulsion -- Onward and upward -- An etheric explanation -- The U.S. antigravity squadron -- Gravity beam propulsion -- Project skyvault -- Microwave phase conjugation -- ...
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Inventors claimed they created free energy - then they started dying, "too dangerous"

For over 100 years, inventors have claimed to create machines capable of unlimited clean energy, anti-gravity propulsion, and engines that could run on water or nearly no fuel at all. But again and ...
Nasdaq

Monarch Quantum Selected to Deliver Integrated Photonics Quantum Light Engines™ for NASA's First Planned Space-Based Quantum Gravity Gradiometer

SAN DIEGO, Feb. 25, 2026 /PRNewswire/ -- Monarch Quantum, Inc., a U.S.-based quantum photonics company specializing in integrated photonics systems for quantum computing, quantum sensing, and quantum ...
SUAS News

Achieving New Heights: Luke Bell and the Antigravity Series Propulsion

Luke Maximobell is a pioneering DIY drone engineer known for his remarkable achievements in drone technology. His creation, the Peregrine V4, a fully 3D-printed quadcopter, made headlines when it ...
insider.si.edu

Anti-Gravity Propulsion Systems

National Air and Space Museum Technical Reference Files: Aircraft, NASM.XXXX.1183.B, National Air and Space Museum, Smithsonian Institution. National Air and Space Museum Technical Reference Files: ...