tag:blogger.com,1999:blog-22973357.post6006971487757211878..comments2023-09-27T07:44:19.769-04:00Comments on Sabine Hossenfelder: Backreaction: A town rips upSabine Hossenfelderhttp://www.blogger.com/profile/06151209308084588985noreply@blogger.comBlogger13125tag:blogger.com,1999:blog-22973357.post-72703232746776467272008-11-24T22:25:00.000-05:002008-11-24T22:25:00.000-05:00Drilling does have its hazards. Look at that mud v...Drilling does have its hazards. Look at that mud volcano in Indonesia (http://www.cbc.ca/technology/story/2008/11/03/mud-drilling.html)<BR/><BR/>At least no one has reported any invasions by mole men.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-22973357.post-31918809464938928982008-11-23T09:16:00.000-05:002008-11-23T09:16:00.000-05:00Hi Georg,Yes I can accept what you are saying, yet...Hi Georg,<BR/><BR/>Yes I can accept what you are saying, yet in the process of drilling it is quite often usual practice (and not difficult)to take as to analyze core samples as one goes along. If this had truly been a recognized possibility and concern one would think it would have been identified at this juncture. For that matter this whole business of what the geologists suspect now as beingPhil Warnellhttps://www.blogger.com/profile/15671311338712852659noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-90692469469194903382008-11-22T16:05:00.000-05:002008-11-22T16:05:00.000-05:00Hello Phil,excuse my lack of precision. What I wan...Hello Phil,<BR/>excuse my lack of precision. <BR/>What I wanted to say is, maybe the <BR/>"Bergamt" did not know that anhydrite <BR/>lies under Staufen. <BR/>What You find there is varying within <BR/>some hundred meters often. <BR/>The phenomenon of anhydrite swelling is rather wellknown to mining people, I think. <BR/>Anhydrite deposits are rather common, <BR/>often atop of potash salt mines. <Georghttps://www.blogger.com/profile/02538391164351204407noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-49339203716072578732008-11-22T05:44:00.000-05:002008-11-22T05:44:00.000-05:00Hi Georg,“ maybe even the Bergamt did not know.”I ...Hi Georg,<BR/><BR/>“ maybe even the Bergamt did not know.”<BR/><BR/>I think it simply boils down to a case where the inductive aspect of reasoning has played too large a role. What I mean is perhaps there are no other instances where such an outcome has been realized since what has been undertaken is not often done. That’s why deduction must also play a role in decision making; otherwise what Phil Warnellhttps://www.blogger.com/profile/15671311338712852659noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-48367904587923195752008-11-21T15:15:00.000-05:002008-11-21T15:15:00.000-05:00Hello Bee, menwhile I read the comlete Spiegel sto...Hello Bee, <BR/>menwhile I read the comlete Spiegel story, <BR/>so I know that these are the typical journalists <BR/>errors. Your translation was perfect. <BR/>Anhydride is a chemical expression. <BR/>The meaning is "any chemical compound <BR/>drepraved of water". <BR/>Exapmles: Sulfur trioxide is the anhydride <BR/>of sulfuric acid, calcium oxide is the anhydride of calcium hydroxide, CaSO4 <BRGeorghttps://www.blogger.com/profile/02538391164351204407noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-40553276388604502962008-11-21T14:57:00.000-05:002008-11-21T14:57:00.000-05:00Hi George,Thanks for the correction, I got confuse...Hi George,<BR/><BR/>Thanks for the correction, I got confused with the translation of the chemicals because my dictionary wasn't helpful in this regard. Regarding the volume increase: is there a difference between anhydride and the anhydrite? Best,<BR/><BR/>B.Sabine Hossenfelderhttps://www.blogger.com/profile/06151209308084588985noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-11828257133783203782008-11-21T14:46:00.000-05:002008-11-21T14:46:00.000-05:00Hello Bee,some hints to this "chemical" reaction. ...Hello Bee,<BR/>some hints to this "chemical" reaction. <BR/>"Keuper is an anhydrite, a calcium sulfat. In contact with water, if forms gypsum. And that gypsum expands."<BR/>Keuper contains anhydride (there is one <BR/>and only one anhydrite) <BR/>In contact with water below 101.45 °C it <BR/>forms gypsum, this transformation <BR/>is accompanied by volume increase. <BR/>(The Gypsum does not swell)Georghttps://www.blogger.com/profile/02538391164351204407noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-51982396896138594402008-11-21T12:18:00.000-05:002008-11-21T12:18:00.000-05:00I can understand the town-people didn't know that,...I can understand the town-people didn't know that, but the company who did the drilling should have known. One would think there must be means to do some preliminary tests to exclude such disasters.Sabine Hossenfelderhttps://www.blogger.com/profile/06151209308084588985noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-85650126646749223352008-11-21T12:14:00.000-05:002008-11-21T12:14:00.000-05:00As Phil said. This was, for the townspeople, one ...As Phil said. <BR/><BR/>This was, for the townspeople, one of the unknown unknowns -- they did not know that there was something to be known -- and it seems it is fatal to the future of the town.<BR/><BR/>That is true for so much of the new technology we have, too. The negative impacts of asbestos were known only after a generation. Who knows what being 40 years in a perpetual WiFi radio bath Unknownhttps://www.blogger.com/profile/00642665408400416448noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-32620379825171607092008-11-21T07:46:00.000-05:002008-11-21T07:46:00.000-05:00Dear Bee,wow, thanks for preparing the translation...Dear Bee,<BR/><BR/>wow, thanks for preparing the translation! I had seen this story last week and pu ton my mental list of "bloggy stuff", but couldn't find an English version...<BR/><BR/>Cheers, Stefanstefanhttps://www.blogger.com/profile/09495628046446378453noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-7121579237402944822008-11-21T02:31:00.000-05:002008-11-21T02:31:00.000-05:00Hi Bee,It seems these folks in Staufen have got th...Hi Bee,<BR/><BR/>It seems these folks in Staufen have got themselves into a bit of a pickle in their attempt to utilize nature’s power in the spirit of saving the environment. I must say although I am truly sympathetic to their plight, yet at the same time it has one mindful there is more to utilizing a technology then what first presents to be a good idea superficially. <BR/><BR/>It appears Phil Warnellhttps://www.blogger.com/profile/15671311338712852659noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-28005520047776977602008-11-20T19:32:00.000-05:002008-11-20T19:32:00.000-05:00Oops, thanks. I've corrected the typo. (My typo, i...Oops, thanks. I've corrected the typo. (My typo, it is correct in the German article.)<BR/><BR/>It is puzzling to me though that the swelling ability of anhydrite seems to be a fairly well known problem, so one would have thought that they wouldn't just go an blindly drill holes somewhere. Just think of all the families who might have lived there for generations, what a tragedy. If I'd live thereSabine Hossenfelderhttps://www.blogger.com/profile/06151209308084588985noreply@blogger.comtag:blogger.com,1999:blog-22973357.post-53417591892886034532008-11-20T19:16:00.000-05:002008-11-20T19:16:00.000-05:00Anhydrite is calcium not copper sulfate. Visit Ch...Anhydrite is calcium not copper sulfate. Visit Chemistry for a bottle of Drierite (less the blue/pink moisture indicator). Cf: the mud volcanoe outside Surabaya City, Indonesia. <BR/><BR/>http://en.wikipedia.org/wiki/Sidoarjo_mud_flow<BR/>Mr. Grenade is grumpy after his pin is pulled.<BR/><BR/>The Enviro-whiner trinity is expensive, shoddy, deadly. Staufen in Breisgau already enjoys two of Anonymousnoreply@blogger.com