Casimir cavities are mysterious spaces between microscopic metal plates in a vacuum. Areas of diminished energy between the plates cause them to push toward each other, as if trying to fill the ...

Warp drive has long been a narrative shortcut for science fiction, but a new generation of physicists is treating it as a serious, if distant, engineering problem. Instead of asking whether ...

A research paper proposes a fully physically realized model for warp drive. This builds on an existing model that requires negative energy—an impossibility. The new model is exciting, but warp speed ...

Add Yahoo as a preferred source to see more of our stories on Google. Every Friday night, Alcubierre and his friends would rent a VHS tape of Star Trek: The Next Generation and watch an episode or two ...