Faraday's Butterfly Net Electricity & Magnetism_Circuits and upper airway structures in

and upper airway structures in a single anatomical plane

5-inch diameter artery cross sections reveals atherosclerosis

and pith for stem anatomy and plant tissue teaching

the shared mass isolating volume and density as the distinguishing variables across metals and polymers

Acrylic bell-in-vacuum jar with an internal 4-6V DC electric bell that fades and falls silent as the enclosed air is removed

Faraday's Butterfly Net Electricity & Magnetism_Circuits and upper airway structures inDemonstrates that charge resides only on the outer surface of a conductor by inverting the charged net inside out and showing the charge transferring to the new outside layer.