Japanese Create a Solar Sail

Japanese scientists have deployed two prototype solar sails in space.

http://news.bbc.co.uk/1/hi/sci/tech/3555048.stm

Meanwhile back on Earth maybe we should be concentrating on utilising solar power on ships which can convert the readily available source of hydrogen (i.e. the sea) into fuel. We've had the first hybrid cars, now how about the first hybrid boat?

see:

http://www.wired.com/news/technology/0,1282,63163,00.html

http://www.wired.com/news/technology/0,1282,37333,00.html