Here’s a short summary of presentations at the March 28th Spring 2009 meeting’s Show and Tell. Photos will be linked from here shortly. Chuck Hunt, American River College Intro to conservation laws demo. Five M&Ms in a small brown bag. How many times did the red one hit the green one? How many M&Ms are in the bag? Checked it by pulling them out. He pulls out six. How come? Shows the empty bag and places six in the bag. Shakes them up. Hides at the back of the room, then is seen chewing. How many in the bag? Counts…
Category: Teaching equipment
Dean also links to a movie he took of a water balloon popping. It’s from the relatively new Casio Exilim EX-F1. It’s a still camera that will let you capture motion at really high speeds. Click the image at right to see a smaller (1 MB, QuickTime) version of Dean’s movie.