/sci/ - Science & Math

>>3473283

>>Has anybody done this? This seems very doable, especially if government funded.

There's this Navy sensor, but it has no camera and can only sink/surface. It uses a bacterial culture to gradually generate its own lifting gas to rise to the surface and transmit its data, then purges the gas to sink again.

My hypothetical subs would be able to thoroughly catalogue all species living in a body of water as well as taking chemical readings from pretty much every point in that body of water over long periods simply by random roaming, like how a roomba aimlessly cleans a whole floor.