By: Addison Wylie Your preconceived notions that Gravity will make your heart leap out of your chest and your stomach lurch are right on the money. The disorienting sci-fi separates the weak from the willing with its prolonged, wandering introduction to the team aboard the Explorer.  We see mission specialist Dr. Ryan Stone (played by Sandra Bullock) hard at work while astronaut/commander Matt Kowalski (played by George Clooney) supervises. The operation is going as planned…