While browsing the internet the other day, I came across  information on a joint partnership between NASA and the DLR (German Aerospace Center) called GRACE that got me thinking about apples. In particular, Sir Isaac Newton and the apple! You have probably heard the story about Newton and the apple, and how he came up with the idea of gravity when an apple fell from a tree and hit him on the head. Well, it turns out the apple didnt actually hit him, but just the same was the spark the got him...