[YAPA] November Meeting, October Summary

[Roy McCullough]

Hello Phellough Phun Fizzicks Pholks,
 
A quick reminder that Thursday November 19 is the last YAPA meeting of this calendar year.   We will meet in room 2026 Ward Beecher Hall from 7 til ? as usual.   Extra supplies have been ordered to allow those interested to construct a $5 van de Graaf (You need to supply your own aluminum beverage can and 2 AA batteries.)  With that in mind, come prepared to get all charged up at this meeting.
 
Hope to see you there.
 
Roy
 
 
What you missed.  
At the October meeting at Canfield High, Dick Zitto returned from his wanderings to share that he will be entertaining a guest from the Smithsonian to decide which of the antiques he has accumulated (not including himself) they might like to display.  He also shared a wind activated toy gyro and an inexpensive UV light he found at a sporting goods store.   Our host Steve Hlaudy started a conversation about getting students to share web resources via blogging.  Stacy Sutera shared use of a toy crossbow as projectile motion lab.  (She also tentatively agreed to host the April YAPA meeting)  Mike Crescimanno shared using his LED rainbow to pump electrons to intermediate levels using glow in the dark charms from his daughter’s crocs.   He also demonstrated using a multimeter to analyze air resistance for a spinning motor illustrating that the force of air resistance was proportional to the speed squared.   This activated a pedagogical discussion about use of log-log analysis vs curve fitting.   Jodi McCullough shared using exposures with a black and white camera through tricolor filters to produce color images or planets and deep sky objects.  She pointed out that NASA uses this same technique for their color images and shared an example from Mars in which you could see the movement of a dust storm via the shift in colors as each filtered image was exposed.  A request was to made to make this available to the group (see attached).   Cindy Smotzer demonstrated use of simple pendula to visualize a musical chord.  Roy McCullough shared color mixing with LEDs in a ping pong ball and color subtraction and addition using flood lights.   One of the give away items (a stadium horn) presented another opportunity for sharing their acoustical properties as well as some discussion of how to construct one from pvc and film canisters. 		 	   		  
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