![Subwing Underwater Glider 2](https://www.geekalerts.com/u/Subwing-Underwater-Glider-2-326x245.jpg)
Gadgets
Subwing Underwater Glider
You might not be able to soar through the air on a giant kite but you can fly through the water with the Subwing Underwater Glider, which makes regular swimming seem kind of old-fashioned and dull. Consisting of two separate wings connected to a rotating […]