August 2011

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Below is a preview of Cats’ Paws and Catapults: Mechanical Worlds of Nature and People, curtesy of Google Books. A larger version can be found here.

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One of the recent Farmers Insurance commercials featuring the Farmers Insurance University shows a professor and students considering hypothetical trajectories drawn on a blackboard of a cow sent flying by a tornado. Here is a picture. As physics students with knowledge of projectile motion, you are equipped with the tools to assess the accuracy of

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1)    Learning physics is not about memorizing facts and equations. It’s about developing problem solving skills that will be a part of your thought processes long after facts like the kinematic equations of motion fade away. 2)    Attend all lectures and read the material BEFORE, DURING, and AFTER it is covered in class. You are

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I stumbled on this infographic at 1BOG.org, a website that specializes in disseminating information about solar power. It is full of fun facts about our sun and solar energy, although I haven’t checked the accuracy of all the claims. An earlier version made the very Copernican statement that the sun sits at the center of