Is the floor surrounding your waste paper basket littered with crumpled up pieces of paper? If so read on, for researchers from Yale University have studied the physics behind the human throw and believe they have the secret behind landing a ball of paper into a bin: slow underarm throws have the best shot at hitting the target. Why? Because when an object is released it travels in a straight line. So if there is an error with the accuracy of the throw, this is amplified the faster the object travels. Lead researcher Madhusudhan Venkadesan said “What we find is that almost the slowest arc is often the most accurate.” What the French would call the arc de triomphe.