Magnetic perpetual motor is the experimental model to study the magnetic field of screw shaped magnet
A wheel that spins forever; a bird that never quenches its thirst; a c
Johann Ernst Elias Bessler, or Orffyreus as he preferred to be called,
A mechanical linkage is an assembly of bodies connected to manage forc
A rebuild of Escher´s waterfall.
# Camera: https://amz