He wanted to demonstrate some Newtonian laws of circular motion and how objects with a centripetal force, which forces traveling objects to follow a curved path, accelerate as they approach a central point. However, sterile laboratories with little pulleys and weights don't quite do it justice. Instead, it seems hanging 14 meters (46 feet) off a sketchy-looking Norwegian warehouse displays it much more effectively.
The statistics on death are always more captivating than they should be. But examining the data doesn't have to be the morbid pastime of a serial killer; the statistics can also provide some interesting insights into health, medicine, genetics, diet, and a whole bundle of social factors.
Understanding time is one of the big open questions of physics, and it has puzzled philosophers throughout history. What is time? Why does it appear to have a direction? The concept is defined as the "arrow of time", which is used to indicate that time is asymmetric - even though most laws of the universe are perfectly symmetric.