In this activity, learners construct a device out of a piezoelectric igniter, …
In this activity, learners construct a device out of a piezoelectric igniter, like those used as barbecue lighters. Learners use the device to remotely start current flowing in a simple series circuit containing a small electric fan.
Broadcast radio waves from KPhET. Wiggle the transmitter electron manually or have …
Broadcast radio waves from KPhET. Wiggle the transmitter electron manually or have it oscillate automatically. Display the field as a curve or vectors. The strip chart shows the electron positions at the transmitter and at the receiver.
Illustrations and visualizations of the electric field are ubiquitous in online physics …
Illustrations and visualizations of the electric field are ubiquitous in online physics courses and ebooks. The current generation of devices with their increased graphics and interaction capabilities affords an opportunity to significantly improve on even this well established paradigm. Further the wide variety of illustrations and interactions demonstrated here clearly show the advantages of the newer technology.
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