This dual cross-linking design lets the muscle switch stiffness on demand. In lab tests, its stiffness jumps from about 213 ...

Use an aquarium net to quickly scoop up fish, debris, plants and uneaten food from tanks with minimal disturbance and mess.

Abstract: High Temperature Superconductors are a promising option for many superconducting devices like high current conductors for large high-field magnets, current leads, or superconducting coils.