I will often see them in the butterfly house floating down from the ceiling without moving their wings, like they are gliding. 'As they approach the floor they will slowly flap their wings once, and ...

Researchers at the Technical University of Darmstadt and the Helmholtz Centre Dresden-Rossendorf have developed a revolutionary technology: flexible robot wings that are moved by magnetic fields.

Inspired by the efficiency and adaptability of the wings of the monarch butterfly, they enable precise movements without electronics or batteries. This bio-inspired development could fundamentally ...