--- Log opened Fri May 25 00:00:27 2018
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00:44 < archels> "Over their lifetimes, chemical batteries store only two to ten times the energy needed to manufacture them. [4]"
00:44 < archels> [4] Barnhart, Charles J., and Sally M. Benson. "On the importance of reducing the energetic and material demands of electrical energy storage." Energy & Environmental Science 6.4 (2013): 1083-1092. https://gcep.stanford.edu/pdfs/EES_reducingdemandsonenergystorage.pdf
00:45 < archels> via http://www.lowtechmagazine.com/2018/05/ditch-the-batteries-off-the-grid-compressed-air-energy-storage.html
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01:18 < fenn> nuke giant underground caverns for water pumping, let's see if we can increase that ratio!
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01:30 < mrdata> archels, energy storage is hot air?
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03:55 < streety> From the same site I found this interesting
03:55 < streety> It has been calculated that for a European power grid with 100% renewable power plants (670 GW wind power capacity and 810 GW solar power capacity) and no balancing capacity, the energy storage capacity needs to be 1.5 times the average monthly load and amounts to 400 TWh, not including charging and discharging losses.
03:55 < streety> To give an idea of what this means: the most optimistic estimation of Europe's total potential for pumped hydro-power energy storage is 80 TWh [35], while converting all 250 million passenger cars in Europe to electric drives with a 30 kWh battery would result in a total energy storage of 7.5 TWh. In other words, if we count on electric cars to store the surplus of renewable electricity, their batteries would need to be 60 times larger 
03:55 < streety> http://www.lowtechmagazine.com/2017/09/how-to-run-modern-society-on-solar-and-wind-powe.html
04:22 < Jenda> that estimate is wrong
04:22 < Jenda> you can just flood the entire Bohemia and create a dam that is really sufficient
04:28 < Jenda> ~20000 km^2 at average depth 100 meters (probably more) → 2000 km^3 of water at 100m height (probably more) → (2000e12*10*100)/3.6e3 = at least 550 TWh
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04:43 < streety> It was more the car battery aspect I was interested in.
04:43 < streety> I'm not sure if displacing so many people would be the most reasonable approach though
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05:03 < Jenda> my proposal was not really serious :)
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05:09 < TMA> streety: it does not really matter, after all, they are foreigners for the majority of europeans. -- and foreigners are not people
05:11 < TMA> streety: also there are only 10 million all told, some would not be displaced, so that's not even worth mentioning
05:12 < streety> the count I got from wikipedia was 6.5 million. I don't know how that overlaps with the topography of the area there
05:12 < streety> still seems like there would be major issues
05:13 < streety> The argument for needing 400 TWh of storage was also somewhat of a strawman
05:13 < streety> it wouldn't be the most sensible approach even if there were no issues with using the land for pumped hydropower storage
05:14 < streety> actually the conclusion for the series of articles seemed to be we should just produce less and make do with shortages
05:15 < streety> Not sure many would be happy with that
05:15 < streety> perhaps the conclusion we should take is that we need more nuclear
05:15 < TMA> that's even less than the headcount reduction during the WWII
05:17 < TMA> streety: both I and Jenda would be displaced, because we live here :)
05:20 < TMA> well the best course of action would be just doing it. it is easier to ask for forgiveness than for permission
05:20 < streety> I had not realized you were both from the area.
05:22 < TMA> there would be bigger problem with the foreign corporations owning assets here than with the people
05:23 < streety> I'm not sure 'just doing it' would be easy. It wouldn't be quick and I'm sure there would be much resistance across Europe. As an Englishman living in the US I'm not sure how much say I would have but would definitely be against it
05:23 < TMA> streety: you are saying that now, because the propaganda campaign has not yet started
05:25 < streety> I'm not sure propaganda would be sufficient. Perhaps after rolling blackouts with thousands dead from hypothermia during the winter I would come around
05:28 < TMA> streety: that could be arranged [propaganda is not just the "news" and billboards and whatsnot. a staged incident is part of propaganda in the same way as a rock concert (for $cause) is a charity
05:28 < TMA> ]
05:29 < streety> true
05:29 < TMA> and the deads need not be even real, it is sufficient to report on them
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06:04 < Jenda> There are similar projects with probably lower needs of relocations: https://en.wikipedia.org/wiki/Atlantropa
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06:42 < kanzure> .wik zirconium-zircaloy pyrohoricity
06:42 < yoleaux> kanzure: Sorry, I couldn't find article.
06:42 < kanzure> .wik zirconium-zircaloy pyrophoricity
06:42 < yoleaux> "Zirconium alloys are solid solutions of zirconium or other metals, a common subgroup having the trade mark Zircaloy." — https://en.wikipedia.org/wiki/Zirconium_alloy
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14:48 < kanzure> hmm
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20:41 < kanzure> http://devalias.net/devalias/2018/05/13/usb-reverse-engineering-down-the-rabbit-hole/
20:44 < kanzure> "Ultrasonic neuromodulation causes widespread cortical activation via an indirect auditory mechanism" https://www.cell.com/neuron/fulltext/S0896-6273(18)30381-7
20:45 < kanzure> .tw https://twitter.com/BioBeef/status/1000052319432552449
20:45 < yoleaux> Nice shot of hornless heifer calf #1 of gene edited bull alongside horned Hereford control calf on right @Recombinetics @USDA_NIFA at @ucdavis https://pbs.twimg.com/media/DeDmSIdVAAAELFs.jpg (@BioBeef)
20:45 < kanzure> .tw https://twitter.com/BioBeef/status/1000209033620480002
20:45 < yoleaux> @NatKConnors @Recombinetics @USDA_NIFA @ucdavis Dam was horned Hereford pp sire was dairy edited to be Pc/Pc - and all his offspring were Pc/p i.e. hornless. (@BioBeef, in reply to tw:1000206398460850177)
20:48 < kanzure> https://hackaday.com/2018/05/25/an-ultrasound-driver-with-open-source-fpgas/
20:49 < kanzure> .tw https://twitter.com/OpenAI/status/1000047804796977153
20:49 < yoleaux> Releasing Gym Retro — 1000+ games for reinforcement learning research, plus an integrator tool to add your own classic games. https://blog.openai.com/gym-retro/ https://video.twimg.com/tweet_video/DeDiE9yVwAA-kzP.mp4 (@OpenAI)
20:49 < kanzure> http://blogs.plos.org/dnascience/2018/05/24/a-new-goal-for-gene-therapy-pet-contraception/
20:52 < kanzure> "Receptor-mediated delivery of CRISPR-Cas9 endonuclease for cell-type-specific gene editing" https://pubs.acs.org/doi/abs/10.1021/jacs.8b01551
20:52 < kanzure> "Highly multiplexed genome engineering using CRISPR-Cas9 gRNA arrays" https://www.biorxiv.org/content/early/2018/05/25/331371
20:56 < kanzure> .tw https://twitter.com/_OpenPlant/status/999938835441246208
20:56 < yoleaux> The Open Material Transfer Agreement (http://openmta.org), drafted by @LindaKahl @biobricks in collaboration with OpenPlant, has been designed to enable open sharing of materials. @Addgene are working to make the OpenMTA an option available through their platform. https://twitter.com/PeterRolandG/status/995090508933459968 (@_OpenPlant)
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21:42 < fenn> re: ultrasonic neuromodulation, i thought it simply decreased the threshold at which the action potential causes a phase change, due to shear stress on the membrane
21:43 < fenn> which would be region-independent (not requiring anything auditory-related)
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21:45 < fenn> probably they just had some plain old sound mixed in with their ultrasound, either from the transducer itself, or some sort of resonance
21:49 < fenn> http://www.solidgoldfish.com/2014/12/the-perfect-rack-for-40-gallon-tanks.html
21:49 < fenn> now if only they made them in human size tanks
21:50 < fenn> good enough for maturing clones
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--- Log closed Sat May 26 00:00:28 2018