Category Archives: Technology and Society

Busy And Aching

I was traveling most of last week, and I’m now frantically trying to finish the book. Plus, I had a tooth extracted this morning.

Just in case anyone was wondering why blogging has been light to non-existent.

[Wednesday morning update]

Thanks for the sympathy, but it’s really not that bad. The extraction was almost painless, with lidocaine, and I’ve only experienced a little swelling, and not much pain, on ibuprofen. I feel pretty much back to normal today. Next related project is an implant, in a few months after the bone graft has filled in and healed, but my experience with those is that they’re not a big deal, either. Modern dentistry is one of the many reasons that I wouldn’t want to have been born in an earlier era.

Life Support

Here’s an interesting schematic that describes how they plan to keep crew alive to Mars and back. Doesn’t look like they’re trying to recover water from feces, but that makes sense if they’re going to use them for radiation protection. And they’re venting methane. I’d think that it would be interesting to consider it as fuel for RCS, but perhaps that’s too high a technology risk for a mission that has to leave in less than five years. I don’t see any power input to the system, but I guess that’s a separate issue.

Here’s the full briefing to FISO.

[Via NewSpace Watch]

[Update a few minutes later]

OK, looking over the briefing, the current baseline seems to be two launches, one for propellant and one for crew, within a couple weeks of each other.