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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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#1
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Posted to rec.crafts.metalworking
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On 9/30/2014 6:20 AM, John B. Slocomb wrote:
On Tue, 30 Sep 2014 00:45:02 -0400, Ed Huntress wrote: On Mon, 29 Sep 2014 22:28:57 -0500, Martin Eastburn wrote: On 9/28/2014 10:15 PM, Ed Huntress wrote: On Sun, 28 Sep 2014 21:35:40 -0500, Martin Eastburn wrote: On 9/27/2014 9:10 PM, Martin Eastburn wrote: On 9/26/2014 9:31 PM, Ed Huntress wrote: On Fri, 26 Sep 2014 21:27:29 -0500, Martin Eastburn wrote: On 9/26/2014 1:31 PM, Ed Huntress wrote: On Fri, 26 Sep 2014 07:15:22 -0400, "Jim Wilkins" wrote: "Ed Huntress" wrote in message ... On Thu, 25 Sep 2014 22:15:02 -0400, Tom Gardner wrote: Science by consensus. The majority *IS* always right! When it comes to science, it's mostly true. And it's so seldom *not* true, that those rare cases become legends. -- Ed Huntress Then you must know the legend of geology, which was completely wrong by universal consensus until an untainted grad student "discovered" continental drift, which had been Alfred Wegener's theory that the scientific community shunned because the Nazis championed him as an example of Aryan superiority. http://www.ucmp.berkeley.edu/history/wegener.html "Wegener's theory found more scattered support after his death, but the majority of geologists continued to believe in static continents and land bridges." I studied Earth Science in high school and could plainly see that the then-current theory of mountain formation was utter bull****, the weight of sediment in a deep ocean trench couldn't possibly have raised an adjacent ridge on land, but it was what all geologists who wanted a job had to pretend to believe. The history of Continental Drift is an excellent example of how political correctness can stifle an entire field of science. -jsw Oh, yeah, that was a big one -- one of the modern legends. For the non-scientist, it's discussed in a fascinating way, as part of a larger story about geology, in John McPhee's _Annals of the Former World_. I read his two earlier books, _In Suspect Terrain_ and _Basin and Range_, which have now been consolidated into _Annals_. Highly recommended. He has a unique skill to make geology interesting for the non-specialist. Interesting that was. I have a minor in Geology and fully believed in and sold on continental drift in 66. I had several good professors who were former oil explorers. I enjoy some of the science shows on how the N.E. was created or the mid west... I was a Gulf Coast / inland stratification 'student'. It went well with Physics and Math majors. Martin Then you'd probably enjoy _Annals of the Former World_. McPhee also happens to be one of the best non-fiction writers in the English language. And he's a good shad fisherman. g Thanks, always interested in various sciences. And enjoy a good Geology book. Martin Hardback should be here Tuesday. Martin I'll be interested to hear what you think of it. Have you heard - three volcanoes are blowing their tops - latest is Japan. Philippines and then Ice Land. North American, Pacific, mid Trench Atlantic. The Magma Gods are angry, for sure... I can't wait for the three sisters in Oregon or some others in the region. Been a while since some of the dozen or so in the Pacific NW and the ones in Texas, 5 in Austin, TX, .... Been sleeping a long time now. Martin That's some excitement I can do without. g I think the reason I find volcanoes exciting is that I've never actually seen one. It's like 20-foot white sharks. They both look so cool on TV or in the pages of National Geographic. I wonder how many years production of CO2 the volcanoes are spitting out. Global warming this year for sure. -- Cheers, John B. It will be a chilling effect - more rain (particles set out rain) and a haze will be cast world wide. Martin |
#2
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Posted to rec.crafts.metalworking
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On Tue, 30 Sep 2014 22:07:43 -0500, Martin Eastburn
wrote: On 9/30/2014 6:20 AM, John B. Slocomb wrote: On Tue, 30 Sep 2014 00:45:02 -0400, Ed Huntress wrote: On Mon, 29 Sep 2014 22:28:57 -0500, Martin Eastburn wrote: On 9/28/2014 10:15 PM, Ed Huntress wrote: On Sun, 28 Sep 2014 21:35:40 -0500, Martin Eastburn wrote: On 9/27/2014 9:10 PM, Martin Eastburn wrote: On 9/26/2014 9:31 PM, Ed Huntress wrote: On Fri, 26 Sep 2014 21:27:29 -0500, Martin Eastburn wrote: On 9/26/2014 1:31 PM, Ed Huntress wrote: On Fri, 26 Sep 2014 07:15:22 -0400, "Jim Wilkins" wrote: "Ed Huntress" wrote in message ... On Thu, 25 Sep 2014 22:15:02 -0400, Tom Gardner wrote: Science by consensus. The majority *IS* always right! When it comes to science, it's mostly true. And it's so seldom *not* true, that those rare cases become legends. -- Ed Huntress Then you must know the legend of geology, which was completely wrong by universal consensus until an untainted grad student "discovered" continental drift, which had been Alfred Wegener's theory that the scientific community shunned because the Nazis championed him as an example of Aryan superiority. http://www.ucmp.berkeley.edu/history/wegener.html "Wegener's theory found more scattered support after his death, but the majority of geologists continued to believe in static continents and land bridges." I studied Earth Science in high school and could plainly see that the then-current theory of mountain formation was utter bull****, the weight of sediment in a deep ocean trench couldn't possibly have raised an adjacent ridge on land, but it was what all geologists who wanted a job had to pretend to believe. The history of Continental Drift is an excellent example of how political correctness can stifle an entire field of science. -jsw Oh, yeah, that was a big one -- one of the modern legends. For the non-scientist, it's discussed in a fascinating way, as part of a larger story about geology, in John McPhee's _Annals of the Former World_. I read his two earlier books, _In Suspect Terrain_ and _Basin and Range_, which have now been consolidated into _Annals_. Highly recommended. He has a unique skill to make geology interesting for the non-specialist. Interesting that was. I have a minor in Geology and fully believed in and sold on continental drift in 66. I had several good professors who were former oil explorers. I enjoy some of the science shows on how the N.E. was created or the mid west... I was a Gulf Coast / inland stratification 'student'. It went well with Physics and Math majors. Martin Then you'd probably enjoy _Annals of the Former World_. McPhee also happens to be one of the best non-fiction writers in the English language. And he's a good shad fisherman. g Thanks, always interested in various sciences. And enjoy a good Geology book. Martin Hardback should be here Tuesday. Martin I'll be interested to hear what you think of it. Have you heard - three volcanoes are blowing their tops - latest is Japan. Philippines and then Ice Land. North American, Pacific, mid Trench Atlantic. The Magma Gods are angry, for sure... I can't wait for the three sisters in Oregon or some others in the region. Been a while since some of the dozen or so in the Pacific NW and the ones in Texas, 5 in Austin, TX, .... Been sleeping a long time now. Martin That's some excitement I can do without. g I think the reason I find volcanoes exciting is that I've never actually seen one. It's like 20-foot white sharks. They both look so cool on TV or in the pages of National Geographic. I wonder how many years production of CO2 the volcanoes are spitting out. Global warming this year for sure. -- Cheers, John B. It will be a chilling effect - more rain (particles set out rain) and a haze will be cast world wide. Martin Interestingly the immediate effects of the 1883 Krakatoa explosion was: "In the year following the eruption, average Northern Hemisphere summer temperatures fell by as much as 1.2 °C (2.2 °F). Weather patterns continued to be chaotic for years, and temperatures did not return to normal until 1888. The record rainfall that hit Southern California during the water year, from July 1883 to June 1884 Los Angeles received 38.18 inches (969.8 mm) and San Diego 25.97 inches (659.6 mm). -- Cheers, John B. |
#3
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Posted to rec.crafts.metalworking
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"Martin Eastburn" wrote in message
... On 9/30/2014 6:20 AM, John B. Slocomb wrote: I wonder how many years production of CO2 the volcanoes are spitting out. Global warming this year for sure. -- Cheers, John B. It will be a chilling effect - more rain (particles set out rain) and a haze will be cast world wide. Martin http://legacy.earlham.edu/~ethribe/web/tambora.htm "The highs were still close to 100 degreed Fahrenheit on some days. However, the cold spells, especially at night, cause massive crop failure, and, as a result, even more famine." "200 million tons of sulfur dioxide was shot up into the stratosphere. The sulfur dioxide prevented much sunlight from reaching the Earth's surface, lowering the overall temperature, and killing crops and many creatures as a result." |
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