 In this new video, Bobby, Billy, Bo and Mr. P work through a problem involving the Bohr model of the hydrogen atom. We calculate the electric potential difference between two orbital radii and determine which orbit is at the higher electric potential. Check out the video below!
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Here's a fun way to see Bernoulli's Principle in action! When I point a leaf blower over a roll of toilet paper, the faster-moving air above creates lower pressure than the air below — and that upward pressure difference lifts the toilet paper right into the air. Check out the video below!
New Video! - Electric Potential Difference from a Point Charge 
New Video! - The Direction of the Force of Friction Explained
New Video! - Why Gravitational PE is Usually Negligible for Charges  New Video! - Electric Potential Difference in a Uniform Electric Field  New Video! - A Simple Way to Make Assignments Better In this Flipping Physics video, I share a simple teaching habit that helped me continually improve my physics assignments over nearly 25 years in the classroom. By updating labs and worksheets immediately after grading them, I kept track of student misconceptions, clarified confusing instructions, and made small changes that led to better learning and less frustration for students. Using a real introductory physics lab as an example, I show how comments, notes, and revisions helped students better understand concepts like density, uncertainty, and showing their work. This video is designed for physics students and teachers who want clearer labs, stronger problem solving, and more effective physics instruction.
New Video! - Change in Electric Potential Energy in a Uniform Electric Field  |
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Yep, I make physics videos in the hope that you can learn physics. If you are a physics teacher, I am very hopeful that you will want to use them to help flip your physics class. Archives
April 2026
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