INTERNET EXTRAS (!) of Learn To Love Baseball Episode 2 – “What Is a Baseball?”

• MLB official rules, just a good link to have when you have questions you want a specific answer to!
• Scientific American’s “Inside Baseball: What Gives a Baseball Its Bounce” and Smithsonian’s “A Brief History of The Baseball” gave me much of what went into this episode
• A couple of random images of people throwing balls at each other in Kickball and Wallball, in case you’d never seen this in action: 
• Here is some explanation of “coefficient of restitution”, in case you wanted to dive deeper into that science. Ironically, they used a basketball as an example!
• Here’s A.G. Spalding in all of his 19th century glory. The Spalding website has a nifty little history, which is where I grabbed the picture from.

• Here’s that article from LiveStrong about how Rawlings now makes baseballs with hand-stitching
• Here’s the full text of Marc Santora’s beautiful New York Times “Wiffleball” article