I had the opportunity to be attend an East Bay Manufacturing conference in Alameda today. It was out on the Alameda Naval base in the same warehouse where most of the Matrix was filmed. One of the participants, was SailDrones who makes autonomous solar powered sail boats that are used for monitoring the oceans. They were jam packed full of sensors and cameras for looking above and below the water.
Here is an early version with outriggers:
And a newer version that could tip all the way over and then self right: