Premium Bicycle Wheel Gyroscope, 20" Diameter US-Unavailable 2A with constantan winding on

2A with constantan winding on a vitreous-enameled steel tube and a nickel-plated phosphor-bronze sliding contact

Fifteen-times enlarged molar shows progressive caries decay through enamel and dentin into the pulp chamber

For Archimedes' principle experiments

generating enough output in direct sunlight to spin a small motor or propeller during photovoltaic and renewable-energy student investigations

and three low-friction nylon wheels for straight-line momentum experiments

Premium Bicycle Wheel Gyroscope, 20" Diameter US-Unavailable 2A with constantan winding onDesigned to demonstrate conservation of angular momentum and gyroscopic precession, this handle fitted bicycle wheel lets students feel torque resistance in a spinning mass.