Eric Brown's sampling of some innovative, new, or newly updated robots ranging from simple kits to a few advanced systems that have yet to leave the laboratory. Click the link, below, to read the full story.
OpenRov (OpenRov Project)
This tethered, underwater robot kit's recently updated 2.5 version combines a BeagleBone Black card and an improved, Arduino-compatible controller board for $849. It's said to be faster, more buoyant, and more durable, and lasts longer on batteries.