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ve risen for decades this is making ocean storms more energetic and shore life miserable heating is penetrating deeper below ocean surfaces and is causing grounded icebergs everywhere to melt at the bottom where they rest on land this melt at the base has accelerated the rise in the sea levels for as long as reliable records have existed back to the mid 1800s temperature t extremes are growing t changes make up the easiest effect to notice but who cares it was awfully hot when i was young fact as a boy in kentucky i vividly recall summer time highs of 104º f or 40º c we will abbreviate that as 104f 40c but projections now say that if we do nothing it could reach 122f 50c continue reading posted in natural resources tagged aerosol emission climate change jason samenow mean temperature rise ocean heating sea level rise storm violence rise 2 comments flint water crisis cries racism posted on 2017 10 11 by lasttechage flint an artist s summary of the flint water crisis has visceral impact on the viewer this image won an award flint michigan is an old automotive manufacturing town in michigan about 45 miles north of my town ann arbor the flint population is predominantly african american the picture below shows the condition of the water provided by the flint water system every part of this image is a compelling statement about our past and about our very present issues with what is happening in america today flint an award winning work by artist ti rock moore click it to go to the eclectablog website with full discussion the image clicks to the original eclectablog posting of the artwork if you have any problem reaching it here is the site link http www eclectablog com 2017 10 evocative art piece about white supremacy the flintwatercrisis by ti rock moore wins coveted artprize award html for the past 5 years flint michigan has been horribly mismanaged by the republican controlled state government governor snyder ordered city management to be taken over by direct state control horrible decisions were promptly made they disconnected flint from the clean detroit water supply that had been used way too expensive and substituted water from the local polluted supply which was much cheaper but was known to be dangerous flint children began to show effects of poisoning in 2014 the water is still not clear today all this must have been way preferable to the original water contract it is very difficult to say that the governor and his advisers made decisions were not race based i believe that the colored sign overtly refers to the color of the water being delivered to flint homes this is another one of the denotes vs connotes things because it has strong evocation of the u s white supremacist laws that were overturned by a supreme court decision 60 years ago that decision began our painful approach toward racial equality clearly we are yet a long way from achieving that goal charles j armentrout ann arbor 2017 oct 11 this is listed under politics have a comment click on the title of this post go to bottom let us know related posts click the index button under the banner picture posted in politics tagged flintwatercrisis eclectablog flint ti rock moore leave a comment gun rights vs hard data posted on 2017 10 08 by lasttechage right winger david brooks published an op ed column in the 2017 oct 7 new york times print edition on gun control his comments have a vital point and they should be required reading if you quote hard data that demonstrates a mistake in an attitude you will not change anyone s opinion instead you might strengthen their attachment to anti real viewpoints fig 1 david brooks with wife anne history is full of examples of this from the spherical vs flat earth argument the germ theory vs will of the gods arguments or the current gun rights vs gun control struggle logical arguments are as effective as jerking a hook in a fish s mouth this does not remove fishhook it just makes it sink in deeper we made a similar point when we highlighted katharine hayhoe s climate change presentation hard facts do not convince true believers who think that all that stuff is false this is becoming a recurrent theme for us fig 2 tali sharot princ invest affective brain lab brooks made excellent points included a link to the book the influential mind by tali sharot director of the affective brain lab university college london her point if you offer evidence that is opposite to deeply held beliefs and you will not change any minds true believers will work hard to paint over the objections even it if requires simply ignoring the data points the brighter the person the faster and deeper the rationalizations brooks topic is gun control when horrors like last week s las vegas massacre happen state legislators move to weaken whatever gun control rules that were in place he quotes a study that indicates that when a single mass shooting occurs there is a 15 increase in bills to state legislatures to strengthen gun ownership rights continue reading posted in politics tagged dark money david brooks democracy in chains gun control tali sharot white trash leave a comment shifts and jumps in chaotic systems usa posted on 2017 09 03 by lasttechage we had a chaotic change in our politics what does that mean the united states appears to be experiencing an historic shift in its social order no need for a bullet list of changes the election of donald trump is sufficient to show that people are willing for actually want the change but what kind of change are we in for at the time of this writing no one can predict where we will be taken by a leader so self centered that he can not recognize the reality of others we might go anywhere on the political map from a successful impeachment followed by republican rewiring of government to the establishment of a strong man dictator with the full restructuring of american politics trump could not have been elected 30 years ago but it happened last year this is not a post about trump we will examine chaotic changes and how they happen this is an expansion of the chaos part of an earlier post president trump triumph of chaos equilibrium changes and chaotic shifts we want to explore what can cause a nearly stable social state of affairs to change nearly because society s state is only neutrally stable at best small external forces can dislodge it and the average central conditions do actually drift over time you know that any social order is pretty chaotic due to its many interacting and competing factors any clear and firm position today could change maybe suddenly fig 1 tiny tugs guide large ships ocean ship strategy small tug boats fig 1 can bring a huge ship to dock their low thrust push will move even mighty aircraft carriers up to the dock but it takes time tug captains need patience to get a ship to change course you must expend a certain total effort why not get it over with faster with a bundle of tnt sticks same total energy involved answer bombs yield energy too fast the idea is to redirect the thing not sink it use a soft push maintain a controlled speed ocean ship strategy results are predictable if the tug stops pushing friction with water slows the ship this provides a stabilizing negative feedback and the docking process is smooth and gradual gradualism allows changes to be predictable ought to at least how do you know an initial gradual start will stay smooth and gradual fig 2 avalanches start small grow fast avalanche strategy avalanches fig 2 begin with a tiny bit of snow rolling down a hill the core picks up volume excite other snow ice bits to move until the ensemble is a moving mass that cannot be stopped no one knows exactly what the end effects are how will the hill and valley be changed rule do not use an avalanche for landscape architecture results from the avalanche strategy cannot be predicted exactly this is unlike the ocean ship strategy there is no similar resistance to growth for a rolling sliding chip of ice and results are not gradual if the temperature slope and other factors are correct and if the initial material in motion can pick up enough momentum the result will be roaring growth to the slide chaotic change here change means a tumultuous jump from before the smooth slope with rocks and trees to after the final jumbled and torn landscape continue reading posted in general 1 comment iter 2 machine is being built will it work posted on 2017 08 11 by lasttechage fusion waste disposal is an issue that may limit iter s success the long awaited fusion test bed iter is under construction the facility buildings are well on the way towards completion and machine assembly should begin in the last months of 2018 we discussed the iter machine structure and various fusion concepts in our iter 1 post we will not repeat them here comment 1 iter timeline but note iter is not an acronym anymore it is okay to write it iter or iter or iter comment 1 is the currently expected schedule for iter operations the official timeline is reasonable the 2025 and 2035 targets allow for a reasonable break in with this new machine assumptions behind the personal estimates no operating issues arise during start up trials 1 operation schedules base on impatience pushing boundaries without checking in the 1980s the fusion flagship tftr powered up its tf coils too high and too soon one of their big coils broke issues 2 hoping without testing iter is a major jump in capabilities what if long lived fusion hot plasma is operates somewhat differently from short pulse hot plasma comment 2 issues this post is based on an issue that might violate assumption 2 plasma operates as anticipated see comment 2 our question do the techniques chosen to remove waste heat power and particles form a basic issue that is a background worry to the physics staff maybe the technique to remove the waste heat and particles that flow from the fusion region relies on an array of divertors that is on the material surfaces that the plasma strikes first will divertor operation become an functional issue this is what we discuss iter has a potentially serious divertor issue fig 1 iter cross section with field lines waste heat the intense heat from the fusion core will conduct out to its edge the separatrix and will cross into the unconfined field volume called the scrape off layer sol in fig 1 the separatrix is the green field line with the sharp point it separates the confined plasma from the unconfined the sol is the dark brown much cooler plasma outside the separatrix see iter 1 for a more complete description of the tokamak most of the heat flows along the separatrix and out through its point but some will enter the sol to cause wall erosion wall atoms can will diffuse into the plasma absorb energy radiate like mad cool the plasma and quench the fusion waste ash what is left over from a fusion reaction is a neutron which has four fifths 80 of the energy the other one fifth 20 of fusion energy is very high energy helium nucleus called an alpha particle usually written α continue reading posted in technology tagged doublet iii expanded boundary fusion ash iter iter divertor iter timeline jaeri diverted plasma snowflake divertor steady state iter super x divertor leave a comment iter 1 the international fusion test facility posted on 2017 08 11 by lasttechage iter will begin fusion tests within a decade we discuss this huge machine the long awaited fusion test bed the international thermonuclear experimental reactor is under construction in cadarache france iter is an hour 70 km north of marseilles south eastern france not far from the mediterranean the facility construction is on going in france and the machine components are being assembled all around the world the iter team has ambitious goals this is to be the first magnetic fusion machine to hold a stable plasma for 10 minutes they plan to extend operations to 1000 seconds abut 16 minutes the fuel will be deuterium d and tritium t d is a stable type of hydrogen h twice as heavy as h fusion techniques are discussed toward the end of stirring the pot comment 1 fusion terms it will reach fusion temperatures about 150 m c 300 m f and ignite their goal is to use their ignited plasma to generate 500 mw of output power with a device efficiency of q p output p input 10 see comment 1 this exceeds the previous record set 1997 at the jet tokamak jet p output 16 mw q 0 67 this is hotter than any welding torch in any shop anywhere hotter than the center of the sun good thing too since the sun has to last tens of billions of years if the sun had iter temperatues it would last only a small fraction of that in this post we describe the iter tokamak in our next iter post we will use this discussion to describe a potential design feature that may limit the success of the program though not until they have tried to reach their goals of fusion temperature efficiency q and burn times 15 20 years from now iter overview iter the pronunciation most people in the business say eat er you are allowed to say it anyway you want just be consistent iter the acronym the program started up in 1988 as the international thermonuclear experimental reactor it was an english abbreviation and the central words were thermonuclear and experimental although pretty good the word nuclear had to go sketch a torus donut shape the t stands for thermonuclear and could have been changeable to tokamak its shape is a torus sketch a looks like a bagel a donut or a car tire the e is the important part this machine is truly an experiment to test out ideas not a prototype for a mass produced product like a car but after 120 years of building automobiles companies that release a new model require thousands of prototype parts and vehicles for destructive testing thousands not going to happen definitely not a prototype iter the history it started in 1988 as a joint venture of 4 countries the u s pulled out maybe a decade ago then rejoined nearly withdrew during the obama days our doe just lost significant funding want to make a bet on our presence 4 years from now brexit may remove the last english speaking country the countries currently on its guiding council are shown in the logo soon there might be no english speaking countries left so disconnect the name from a living language voilá iter is no longer an acronym it is okay to write it iter or iter iter is the chosen name because it is dead latin for the way iter the tokamak iter s goal is to generate 500 mw of fusion power support a fusion burn that lasts for 10 minutes they will try for 1000 seconds about 16 min and produce 10 times more power than used by the facility q 10 the machine to ultimately perform these is shown in fig 1 the left side shows its interior lined with its protective first wall blanket the right side depicts the blanket being installed fig 1 iter cutaway man lower left fig 2 thin slice through iter showing the key features click any figure to 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