Screaming around on the surface of a lake or the ocean is great fun, but anyone who's had a crack at scuba diving will understand that it's a whole new world below the surface. Which is why the Scubacraft is such a sensational invention, even if you're not James Bond. It's a fully functional speedboat that'll scream along the surface at up to 50mph, but at the touch of a button it submerges and becomes an open-top electric submarine. Awesome.
Read the full article: Scubacraft convertible speedboat/submarine: at home over OR under the waves