Underwater ROV's (Remote Operated Vehicles) are growing in popularity and the technology to create your own seems to be getting more and more accessible. This site is a community of builders and enthusiasts that is worth checking out.

OpenROV is a DIY telerobotics community centered around underwater exploration & adventure.

Join the group if you've got design ideas, adventure ideas, or just want to join the fun!

Wonder if it would move my boat...

OK, only for a bathtub or swimming pool now, but this is really slick to me. How long (I say not very) until you can print a full size boat? Maybe not at home, but with gear that a small boat-shop could afford. I think it's coming sooner than you would believe.

Many live aboards (full time or even just for a long weekend) struggle with needing to do laundry. Stopping at a marina and making the (sometimes long) hike to a laundrymat isn't my idea of boating fun.

This gizmo might not be the best layout for on-board use, but there are definitely some ideas worth borrowing.

...an awesome, indigenous type of ocean mapping and navigation technology known as stick charts (aka Marshall Islands stick charts, Micronesian stick charts, or Polynesian stick charts). read more »