This is by far one one the more impressive DIY projects that I have seen of late. Normaly a sextant is an expencive and very precice instrument but with a CD case, some LEGO bricks and a few mirrors you can build one. I don’t think you wan’t to use it to sail around the world but you could ( by the way you had better be an ace at celestrial navigation before you start Mister!)
Anyway, the project is simple enough that you could build it in a weekend. It would be fun to take out on trips and ‘shoot the sun’ and try to figure out where you are on this big ‘ol sphere we call home.
[via hack a day]
CD sextant