And Then You're Dead: What Really Happens If You Get Swallowed by a Whale, Are Shot from a Cannon, or Go Barreling Over NiagaraCody Cassidy, Paul DohertyHäftad258 kr
Spinning Blackboard and Other Dynamic Experiments on Force and MotionPaul Doherty, Don Rathjen, The Exploratorium Teacher InstituteHäftad134 kr