_FKS_

5 ms·

1.
by _FKS_ 8y ago
Nuclear. It's the only thing beyond fossil fuels. If we want to somehow retain our standards of living.
2.
by _FKS_ 8y ago
Side-note: a barrel of oil gives a fixed amount of gasoline and diesel fuel, and that's hard to change [1]. A given refinery could slightly change the amounts, but not much, and that's billions in investments. Even if you replaced
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by _FKS_ 8y ago
The first article has wrong figures. "the skin of the aircraft (probably made of titanium) gets as hot as 12,000 degrees F during flight because of air friction." First, there's no material on earth that could sustain that ki
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by _FKS_ 9y ago
This is also from a pro-wind blog ;)
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by _FKS_ 9y ago
In case you're interested, this[1] document is of great interest if you wish to understand how these offshore turbines perform empirically. I'll give you a hint: not very good. Any piece of machinery exposed to sea salt doesn&#x27
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by _FKS_ 9y ago
That doesn't mean it's a reasonable projet ;)
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by _FKS_ 9y ago
Hawking radiation is speculation AFAIK, there's no observation to back it up.
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by _FKS_ 9y ago
Even if you had the computing power AND if you were simulating your fusion reactor's plasma in realtime, while it's running AND you know/can predict the plasma instabilities in realtime (under a few ms), you still need a way
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by _FKS_ 9y ago
Most likely related: John L. Gustafson presenting "Beyond Floating Point: Next Generation Computer Arithmetic" https://www.youtube.com/watch?v=aP0Y1uAA-2Y With papers here: - UNUMS: http://ubiquity.acm.
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by _FKS_ 9y ago
"The tyranny of verificationism impedes scientific progress. Let string theorists do their thing/string." This is a very dangerous path. Science without empiricism is religion. https://arxiv.org/pdf/1609.
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by _FKS_ 9y ago
WolframAlpha?
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by _FKS_ 10y ago
There are some theories on variable cosmological constants: https://en.wikipedia.org/wiki/Variable_speed_of_light
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The Janus Cosmological Model(researchgate.net)
2 points by _FKS_ 10y ago|0 comments
14.
by _FKS_ 10y ago
Topaz is of the same magnitude as this Tamil Nadu plant, in terms of "rated power". However, many people seem to miss that "rated power" does not equal "actual output". Please see capacity factor [1]. For a sol
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by _FKS_ 10y ago
Nothing happens at night, there's no electricity output. You need some kind of storage on the back-end if you want to store the day's surplus electricity. Molten salt or hydro work well and can store the electricity, in order to d
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by _FKS_ 10y ago
Not exactly, you can't do that kind of calculation. Solar panels work only in full sunlight, and only during the day. When there's cloud coverage, the electricity production goes down drastically. I was giving Topaz solar farm in
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by _FKS_ 10y ago
While I agree - people from western world live way over what is needed - there's an issue with demography also in Asia. Kaya's identity [1] shows that the factor P, global population, is by far the most important. Control demograp
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by _FKS_ 10y ago
While by no means I mean to minimize this announcement, if the press was publishing an article every time a Coal plant opens in India, we would have an article every few days or so on HN. Just to put things into perspective: - A plant like
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by _FKS_ 10y ago
Side note: Are you familiar with Sweetscape's 010 Editor? Very cool stuff, although closed source.
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by _FKS_ 10y ago
Links to doc are 404.
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by _FKS_ 10y ago
The issue is that craftmanship means time & experience (experience like tens of years). Think compagnons. This is fading away since the end of WWII, and especially since all manufacturing was moved to Asia. There are still a few artisan
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by _FKS_ 10y ago
Smoke & mirrors. Art Berman has shown that none of the Tight&Shale producers are/has been profitable. They are largely there because of credit/debt (which of course can't grow for ever) "Tight oil companies outsp
23.
by _FKS_ 10y ago
Renewables depend on oil. You can't make renewables with renewables energy, because their overall EROI is insufficient to both maintain the current standard of life, and make them. The other issue is mobility, oil has the best volume&
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by _FKS_ 10y ago
Fossil fuels are the base subsidy. It's hard to see how a manufactured product will be cheaper than fosil fuels consumed on the spot (as coal is primarly a local consumption resource). Also the economy of scale principle works here t
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by _FKS_ 10y ago
In the meanwhile, a few other sources argue that the overall ERORI (energy invested vs. energy produced) is well below a somehow 'sustainable' level. The impression I'm getting is that the day oil/gas production starts t
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by _FKS_ 10y ago
It also has high winds with airborne, highly abrasive sand. Panels don't last long there unless you clean them daily. I can't immagine that happening for utility-scale installations.
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by _FKS_ 11y ago
https://energieduthorium.files.wordpress.com/2014/09/la-voit... - check from slide 23 on. He compares pretty much the same car, from the same (French) maker, but with one version of the car running on Diesel, and
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by _FKS_ 11y ago
It probably depends on the kind of car. I'd suggest you watch this: https://www.youtube.com/watch?v=bkj-vf1_pzQ (with english subtitles) - the guy is an automotive engineer. In the first 10 minutes, he compares how an
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by _FKS_ 11y ago
Indeed, what is funny that while resources are limited (and declining), economics are still considering as resources were unlimited. This video has a great re-interpretation of what economics really are, just managing energy in a productive