The PowerRay underwater drone finds fish and films them in 4K
 

If you're heading out to the coast or the lake for a spot of fishing, you can have the best gear and the perfect bait but you won't land anything if you're set up in the wrong spot. Experience can only guide so you so much, so PowerVision -- the comp...

https://www.engadget.com/2017/01/03/...fishing-robot/