Video 7 in the Flying Circus of Physics video series

The seventh video in my Flying Circus of Physics video series with Cleveland State University has now been posted. The FCP video series

Dec 2015 stories at Flying Circus of Physics

December 2015 stories at the main FCP site: (1) An obviously intoxicated example of simple harmonic motion and then some disturbing examples of similar motion in amusement park rides. (I still do not get why anyone would use these rides, much less why they would pay to use these rides.)  (2) Pub trick, or maybe disco trick: a gin and tonic will fluoresce in black light (UV light) and then after you drink it, your urine might fluoresce for days in black light (well, assuming you have a black light source wherever you happen to urinate --- this is definitely something that I do not need to know about you). (3) Marshawn Lynch of the Seattle Seahawks in American football offers a dramatic example of how the vector addition of many forces can result in a small net force. (4) The ink in your ballpoint pen is engineered to be non-Newtonian, otherwise every time you would tuck the pen into your clothing, the clothing would be drenched with ink.
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