The picture is of DEPTHX. It weighs about 1.2 tons, shaped like a mushroom, and navigate itself into your bedroom. Just kidding. No not really. It can swim through a water-filled cavern creating its own map. It has already explored La Pilita, a 115 meter sink. So be weary not to let your house fill up with water.
I'm enamored of anything robotic, but particularly fond of autonomous robotics. This thing is pretty cool!
"weigh's"? I'm weary, er, wary of your spelling ;)