Barlow's Wheel with Heavy Duty Base Science at Home_Physical Science demonstrating how a crane lifts

demonstrating how a crane lifts loads through the mechanical advantage of a large wheel turning a small axle

Five-cylinder equal-mass set at 30g each in zinc

5m optical bench

letting students sweep through resonance and watch amplitude peak when drive matches natural pitch

the longest in the cylindrical-magnet series for visible field-line spread along the magnet axis

Barlow's Wheel with Heavy Duty Base Science at Home_Physical Science demonstrating how a crane liftsBarlow's Wheel apparatus with neodymium magnets and a heavy base, illustrating the Lorentz force as current crossing the magnetic field sets a low friction wheel in motion.