Credit: NASA HUNTSVILLE, Alabama—NASA sees its work on rotating detonation rocket engine (RDRE) technology as one of several areas for the agency to contribute to the future Golden Dome for America ...

British electric drive specialist Helix builds some of the most power-dense electric motors in the world. Now it's working to springboard that compact, power-packed design into a marine drive ...

Researchers used a light-driven molecular motor to wind two molecular strands into an interlocked ring structure called a catenane, without forming chemical bonds. (Nanowerk News) Threads or ropes can ...

Threads or ropes can easily be used for braiding, knotting, and weaving. In chemistry, however, processing molecular strands in this way is an almost impossible task. This is because molecules are not ...