9/23 – 9/27 (Chap 4) Posted on September 28, 2013 by daskey Reply We wrapped up most of chap 4. Dr. Sims gave an excellent talk on Proteins and diffractions. Carlie’s fancy tip. New super structure concept.One big airfoil. That’s an oil tanker behind it. Acceleration has two components when in circular motion. Centripetal and tangential. Jill and Heather broken down Cantina needs one of these.