In the CNS, sensory pathways form ascending fibers that relay sensory stimuli to higher brain centers. Descending fibers send motor command and regulatory signals down from the brain. In the spinal ...

No extant maker's markings. Two circular field coils, 5" in diameter, are affixed to a wooden base with two metal straps. The field coils stand vertically with a coil armature rotating between them on ...

Discover how to build a magnetic repulsion motor capable of lighting LED bulbs using only magnets and basic components. This step-by-step tutorial covers the construction of the magnetic base, the ...