Category Archives: Uncategorized

Anti-radiation Biological Countermeasures: Amifostine

Whenever human spaceflight comes up, inevitably someone mentions radiation. Personally, I think the radiation risk is WAY overblown. “Compound conservatism” is rampant, I believe, and gets worse as time goes on and people keep recycling the same sources, adding some … Continue reading

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Simple SPS ??

Reading about the drawbacks of conventional Solar Power Satellites and the comments in response to Chris eventually triggered an idea, or perhaps a memory of something hinted at in something I read once. I’m somewhat less certain of complete originality … Continue reading

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Mars surface shielding from radiation

I want a short little aside here to talk about a little pet peeve of mine: People talk as if Mars’ atmosphere does basically nothing to reduce the radiation dose as compared to free space. This is definitely not true, … Continue reading

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Minimum viable microwave-based space-based solar power system

The Solomon Islands pay almost $1/kWh for electricity. You could provide beamed solar power to them on a demonstration basis for a fraction of that price. Unfortunately, being in the ocean is one of the worst places for beamed power, … Continue reading

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Power beaming

Power beaming is clearly central to space-based solar power concepts. Here I will provide a quick overview of my understanding of power beaming, the various equations involved, typical example calculations. If power beaming were efficient and cheap, I believe space-based … Continue reading

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Space-based solar power preview

I will start out with a look at space-based solar power, including both microwave and laser based beaming approaches as well as seeing if there’s some use that can be had for that power that doesn’t involve beaming it. This … Continue reading

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Why we won’t run out of fossil fuels and why that’s a problem

This is my first post… I guess started because of a comment on the previous post by Jon. I was in the middle of writing a long comment, then decided to flesh it out and add some references. I used … Continue reading

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Post a Day

john hare In helping Jon complete the post a day for a month celebrating 10 years of selenian boondocks, I found I’m not very good at nonspontaneous writing. When I have an idea that I’m passionate about and I write … Continue reading

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Lap Construction

probationary second string substitute apprentice relief bloggers’ helper in training john hare Everybody that reads my posts knows that I think most people get way too complicated with launch assist platforms. In my post last week I suggested a really … Continue reading

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SpaceX Downselect by Senate?

Second string substitute apprentice relief blogger in training john hare The various antics of our elected officials in Washington tend to bring into question their motives and loyalties. The commercial crew ┬ácuts by the house that were cut even further … Continue reading

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