http://www.gizmodo.com.au/2012/06/raspberry-pi-computer-to-cross-the-atlantic-ocean-in-autonomous-boat/

http://www.fishpi.org/proof.html

http://fishpi.org/forum/viewforum.php?f=12

obvious questions that arises is how will it navigate through obstacles, other ships enroute etc (I am sure it has the necessary rotics inbuilt, but not made clear)

Anyone could have done it, just that he dreamt big