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Primitive Technology: Iron Bacteria Cement [video]

307 点作者 GavCo大约 2 年前

12 条评论

mike_hearn大约 2 年前
If you're new to Primitive Technology then it's worth starting from the oldest videos and working forward. These aren't just random tasks he sets himself. He starts by going into the Australian jungle with absolutely nothing except cargo shorts (not even shoes) and then proceeds to build himself a series of shacks and houses, starting with nothing more than a sharp stone and various plants. Then he starts building kilns and firing clay he digs out of the river bank (with a stick) making pots, bricks and roof tiles. Then he starts making charcoal and building a forge, so he can turn the iron bacteria in the creek into actual forged iron objects. He's been at it for years initially as a hobby and now he earns enough to make it his "job". He doesn't attempt to recreate the paths taken by ancient people - he's willing to use modern scientific knowledge - but he does appear to live by his rule of not taking anything with him and just using only the natural resources around him.
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LeifCarrotson大约 2 年前
Not sure why this is here - I enjoy primitive tech&#x27;s videos (often imitated, never duplicated - too many imitation channels have poorly-covered excavator tracks and chainsaw chips when the work crew and camera crew come in between cuts).<p>But before watching, be sure to enable subtitles for a description of what he&#x27;s doing!
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martythemaniak大约 2 年前
I present to you the best Hacker News comment I&#x27;ve ever read (it was in response to another Primitive Technology video): <a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=32697419" rel="nofollow">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=32697419</a>
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neom大约 2 年前
Totally unrelated to this video, just related to the subject matter on YouTube. Interesting how some of these style videos are totally bs.<p><a href="https:&#x2F;&#x2F;youtu.be&#x2F;Hvk63LADbFc" rel="nofollow">https:&#x2F;&#x2F;youtu.be&#x2F;Hvk63LADbFc</a><p><a href="https:&#x2F;&#x2F;youtu.be&#x2F;_0-uLF9PtNo" rel="nofollow">https:&#x2F;&#x2F;youtu.be&#x2F;_0-uLF9PtNo</a><p>Again just to be clear, I believe this channel is legit. Just the genre on YouTube has some disingenuous stuff.
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calibas大约 2 年前
I believe this is Leptothrix bacteria, it creates an iridescent sheen on top of stagnant water, often mistaken for oil. It&#x27;s quite common once you know what you&#x27;re looking for.
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YeGoblynQueenne大约 2 年前
That&#x27;s interesting, but would those pots be as sturdy as fired clay pots? If you drop them, will the break more, or less easily, I mean, than fired clay pots?<p>I&#x27;m asking because they look a little too loose to me, and btw, the material seems less easy to mold than clay.<p>In any case this is a very interesting piece of information from a scientific point of view, but for practical reasons I think fired clay is much more practical (because much faster to make stuff with).
Quequau大约 2 年前
For those who are hearing, there are subtitles that you should turn on.
tomrod大约 2 年前
This one was cool.<p>Could you also extract iron from the bacteria?<p>EDIT: be sure to watch with the captions on, as the videographer explains what he is doing.
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ramboldio大约 2 年前
could this be used for 3D-printing?
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iammjm大约 2 年前
I very much appreciate this dude. The amount of time and energy he puts into making these is amazing.
jalk大约 2 年前
Learned a new fact and word today: iron bacteria have cementitious properties
antibasilisk大约 2 年前
i&#x27;ve always found iron bacteria fascinating, is it possible to cultivate and farm it?
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