The quantum vacuum has fascinated physicists ever since Hendrik Casimir and Dirk Polder suggested in 1948 that it would exert a force on a pair of narrowly separated conducting plates. Their idea was ...

Somewhere inside NASA’s sprawling nuclear propulsion pipeline, a spacecraft called SR-1 Freedom is being designed to do ...

Intuitive Machines’ first lunar lander officially lost power today after spending seven days on the moon. The lander made history for being the first American hardware to reach the lunar surface since ...

Bergen Tankers and Equinor have signed a long-term charter agreement for two oil/chemical tanker newbuilds with an electric propulsion system, which aim to set a new standard for low emissions at the ...

Keeping thrust bearings cool is a matter of design with a different cooling strategy for each type of thrust bearing. • Lowering oil temperature can extend the life of thrust bearings. • Tapered ...

DELAND — As John Williams walked around the manufacturing shop for Hydraulic Marine Systems here last week, a marine propulsion machine in a wood crate destined for Romania sat on the concrete floor ...

For the difference of rock and soil strength on the tunneling face, curved tunneling, and the top-heavy structure of the main machine forming the complex geological structure, the adoption of uniform ...