The Electric Whirl in the 19th and 21st Centuries
The electric whirl or electric fly in Fig. 1 is one of the many electrostatic demonstrations from the 19th century that continue to amuse and delight students today.1 It also introduces them to some good physics.
“The Electric Whirl in the 19th and 21st Centuries” (with John Daffron), The Physics Teacher, 50, 536 (2012)
The Physics Teacher