Theoretical physicists at Trinity are among an international collaboration that has built the world’s smallest engine – which, as a single calcium ion, is approximately…
A new rotary engine from MIT startup LiquidPiston is lighter, quieter, and more efficient than its counterparts. Noise, excessive vibration, and relative inefficiency are drawbacks…
Researchers at NASA’s Glenn Research Center and Los Alamos National Laboratory have tested a small prototype of a nuclear-reactor engine design, which could power deep…