[Space] Inner Space

Mikolaj Habryn dichro at rcpt.to
Mon Feb 22 02:26:56 UTC 2010

This is (yet) another thing that I'm very interested in. The new
hotness (where "new" is about a decade old) is underwater gliders,
which have a mechanical method for changing their buoyancy between
very slightly positive to very slightly negative and back, and use
aerodynamic (well, hydrodynamic) surfaces to convert this to lateral
motion. Recent research projects have crossed oceans - taking months
to do so, in fairness, but nonetheless.

They usually check in with satellites every few cycles by breaching
and also taking the opportunity to recharge batteries via solar cells.
I find the whole thing utterly fascinating, but it's substantially
harder than balloons (although much easier than orbit).


On Sun, Feb 21, 2010 at 10:00 AM, Glen Jarvis <glen at glenjarvis.com> wrote:
> I was just trying to look on the ocean floor with Google Earth and there was
> so much data missing.. suddenly, I starting thinking about a similar
> exploration to inner space vs outer space. I know the method is completely
> different.
> Is it even possible to track GPS data, pressure data, etc? If we were to
> create an airtight delivery system for a G1 - what do you think the chances
> are for even getting a signal that far under water? Are there techniques to
> boost the signal? How much do these problems parallel problems that may
> occur with outer space delivery?
> Underwater Robot for tracking, video, self propelling, etc.... even
> possible????
> I'm curious on opinions from others here..
> Cheers,
> Glen
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