Scientists build electric molecular motor inspired by ancient Archimedes screw
Researchers at the University of Augsburg created a single-molecule motor that spins with electricity on November 1, 2026.
Ancient design meets modern scale
The new device functions as a molecular motor powered directly by electrical voltage. This invention draws inspiration from the Archimedes screw, a machine invented over two thousand years ago. Earlier motors required scanning tunneling microscope tips to drive movement on surfaces.
Direction changes with voltage
The motor spins in either direction depending on how the electrical current flows. Switching the voltage allows the device to reverse its rotation instantly. This capability represents a significant step toward miniaturized machinery for molecular electronics.
Conductivity boost potential
Rotation of the tiny machine can increase electrical conductivity by up to 100 times. Scientists hope this breakthrough will transform future applications in the field of molecular electronics. The achievement marks progress in recreating biological systems found inside living cells.
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