Photo Credit: TED

One of my favorite talks from this year's TED conference was Denise Herzing's talk about dolphin communication. Denise is one of the leading dolphin researchers in the world and has been pioneering work on dolphin communication, most recently with her CHAT system. I had been following Denise's work for years, and I was…

Anthony White ran some experiments with 3D printed ABS parts. Here's what he had to say on Google+:

What happens when a printed part is exposed to 3000 meters of water pressure for 48 hours?

....

not a whole lot. The part is porous enough that water forces its way in, eliminating any air pockets, and filling the structure. The part on the left, which was exposed, is even smoother then it's companion (they were smoothed in acetone vapor together.) The larger pulley part I tested was a bit waterlogged but doesn't seem to have any significant reduction in strength!…

Eric just uploaded a number of high-res photos of the layout of the electronics inside the acrylic tube. We'll have more extensive diagrams and steps up on the wiki soon, but in the mean time these should be helpful.

We are preparing to build our OpenRov kit, serial number 307 and have unfortunately run into our first issue before even getting started...

When ordering the additional materials needed for the build from the Bill list, we got this message from McMaster-Carr

Hi Jason,

Due to the complexity of U.S. export regulations, McMaster-Carr only accepts international orders from our established customers.  This decision also applies to orders shipping within the United States, because it is based on the final destination of the items.  We cannot accept this order or future orders.

Glenn

Upon calling McMaster-Carr, all they would say is due to potential liability, they will not accept our order (to be shipped to Florida) 

Our Order: