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James Lincoln, Auteur |ABSTRACT spaceplay / pause qunload | stop ffullscreenshift + ←→slower / faster ↑↓volume mmute ←→seek . seek to previous12… 6 seek to 10%, 20% … 60% In this article I introduce three lab activities, approp[...]Article
Phosphorescence is always an engaging demonstration. A high-energy photon source, such as a violet laser or UV black light, shines on a phosphor (screen, mineral, toy, etc.) and then the light is reemitted slowly at a color of lower energy. We n[...]Article
James Lincoln, Auteur ; Daniel Murrell, Illustrateur |When I began teaching high school physics, I found that many of my students were not just struggling with the mathematics of physics but the way the language was used. Physics is sometimes discussed as being a second language where common words [...]Article
The hand boiler is an intriguing physics demonstration that is perfectly suited to the high school classroom. The ubiquity of this device, and the many incorrect explanations of its workings, motivate this author to write and explain its physics[...]Article
X-rays are such an important and familiar part of the electromagnetic spectrum, but is there a way to safely bring x-rays into your lecture? The demo team at the University of California at Berkeley seems to have managed this. They have an x-ray[...]
