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lowtechmagazine
HN member- Joined
- Wed, Feb 27, 2019, 10:01 PM UTC
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About lowtechmagazine
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Recent public activity
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Comment #42504590
You expect me to deal with all the -5% waste sources in one article? Please explain me: what is the minimum share of total energy use that any activity should have before someone i…
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Comment #42493599
Author here. Good point, and I wanted to add that this is the first article in a series about communal living.
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Comment #36772418
[dead]
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Comment #33722991
"Learning and practicing how to correctly pull the trigger is probably the single biggest improvement to accuracy a new shooter can make." Thanks, I will change that sentence.
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Comment #33722543
Happy to see that someone actually read the whole article before making a comment.
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Comment #29112569
Thanks for spotting the mistake. km2 should be m2. Source: https://repository.tudelft.nl/islandora/object/uuid:1ed44c19... page 17
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Comment #25507395
None of the laptops was brought to landfill, I still have them at home, which is why I could photograph them all. The malfunctioning charger was not the only problem. The Apple lap…
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Comment #25494053
Author here. That sentence will be deleted when the website regenerates, cause it doesn't seem to have the effect that I was aiming for. Thanks for pointing it out. That said, I wa…
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Comment #23364196
Now that I have some more time, I actually do want to address your comment in more detail. 1. "Kris De Decker just really doesn't like plastic!" Correct. We need to get rid of plas…
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Comment #23363732
That's because you're living in a rich country where energy is cheap and abundant. That 40% of the global population that needs to walk for miles to charge their phone for a hefty …
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Comment #23363714
"If energy systems were installed that could heat and power these places without biofuel at all you'd be vastly better off. I did not see that point in there." What energy system y…
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Comment #23363618
A "central non-combustion power plant that doesn't emit air pollution or carbon"? What fuel is it running on?
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Comment #23361377
Why would I repeat what is already written in the article?
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Comment #23361360
They are not. For all the reasons mentioned in the article.
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Comment #23360245
Depends on the stove. Tile stoves or masonry heaters can be +90% efficient. The same goes for inefficient stoves without a chimney, which is the majority of stoves in poor countrie…
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Comment #23360233
You seem not to realize that 40% of the global population IS ALREADY burning wood as their main source of household energy use. What is your alternative for them?
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Comment #23360219
Maybe read the article before you comment? Here's the last two paragraphs: A thermoelectric heating system that runs on fossil fuels also compares favourably to a large cogeneratio…
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Comment #23360194
You have completely misunderstood the article. Try reading it again with an open mind.
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Comment #22219380
Agreed that it's a one-time step decrease, and that the progress continues. But, why 2020? The panels that have powered the server were bought between 2015 and 2019, and who knows …
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Comment #22209536
Calculating embodied energy based on costs is an option, but I have always learned that it's the last resort, as it has many problems, too. For example, How do you account for the …
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Comment #22195772
No, it's not just Spain. I only looked at European power grids, but their carbon intensity is all calculated in the same way.
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Comment #22190487
A cost analysis remains to be done. But it's not as bad as it seems: we save $600 per year on hosting services.
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Comment #22187765
The obsolescence of life cycle analyses is a topic in itself, and the lack of accessible data is a problem for anyone who tries to investigate high-tech products. For the solar pow…
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Comment #22187360
The carbon intensity of the national grid is calculated as follows: carbon emissions of burning coal and gas in power plants (say 600 g/kWh) + carbon emissions of wind turbines, so…
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Comment #22187334
That's because you're not on the solar powered website. Hackernews is linking to the old site. https://solar.lowtechmagazine.com/2020/01/how-sustainable-is...