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Could We Run Modern Society on Human Power Alone?

24 pointsby suchabagalmost 8 years ago

11 comments

no1youknowzalmost 8 years ago
Posted earlier: <a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=14437923" rel="nofollow">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=14437923</a>
simonsarrisalmost 8 years ago
The answer to the headline is an emphatic &quot;No.&quot;<p>&gt; Unlike fossil fuels, human power can be a clean energy source, and its potential increases as the human population grows.<p>It&#x27;s the opposite: Human power cannot feed the 7.5 billion people and growing. You <i>need</i> ammonia and (right now) oil, and lots of it. When we &quot;scaled up&quot; humanity, we left human power long behind as an option for any but a few hundred million. Just the food part alone is impossible.<p>They then segue into a different question: &quot;if human power can sustain a modern lifestyle&quot;, but even then they don&#x27;t mean modern food requirements, they really just mean &quot;can humans keep the lights on in the one building they are in.&quot;<p>&gt; A human powered student community has enormous potential for a reduction in energy use.<p>This is a complete misunderstanding of just <i>how much energy</i> gets the people in the Netherlands their... say avocados. Thinking of your energy consumption as lights in your building is so very off.<p>I recently wrote a counter-point essay to the headline&#x27;s topic, how technology is now a moral necessity just to keep humanity treading water, and how oil set off a Malthusian time-bomb.<p><a href="https:&#x2F;&#x2F;hackernoon.com&#x2F;the-moral-technology-6413ca8449c9" rel="nofollow">https:&#x2F;&#x2F;hackernoon.com&#x2F;the-moral-technology-6413ca8449c9</a>
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grondilualmost 8 years ago
I once wondered the same thing, and I stopped very soon as I considered something as simple as a 60W light bulb.<p>60W is 60J per second. 60J is about the energy it takes to weigh 6kg up one meter.<p>So basically to keep a 60W light bulb lit, you&#x27;d have to raise 6kg one meter high every single second.<p>No way.
hn_throwaway_99almost 8 years ago
How about a simple answer: no.<p>This is basically an art project. Even a basic thought process shows how ridiculous this is: If you&#x27;re going to use humans just as basic energy input, why not just burn the food directly and use that?
kralljaalmost 8 years ago
Is the picture of &quot;clothes drying&quot; supposed to be representative of the project? Because I don&#x27;t see any human power involved there. That&#x27;s 100% solar and wind.
ythnalmost 8 years ago
According to Rick and Morty you probably could - assuming you are able to create microverses where entire planets are manually generating energy for you.
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rmahalmost 8 years ago
The short answer is &quot;no&quot;. But a human powered residence may be possible, but that ignores the huge amounts of power consumption required to build and support that residence.
asdfqwerutoealmost 8 years ago
People will eat more if you make them bike for 6 hours a day.
arnaudsmalmost 8 years ago
Human power = Food And producing food has terrible efficiency compared to any traditional resource.<p>The only good point is the health benefits of such exercise.
jlebrechalmost 8 years ago
why does society have to be modern? walk to the tree, walk to the stream, walk back to the hut.
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ericcumbeealmost 8 years ago
Hello Black Mirror Episode