Neil Rieck
Kitchener - Waterloo - Cambridge, Ontario, Canada.
Hi-tech Community of Laptops and Lederhosen (Leather Pants)
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  1. author: Gwynne Dyer
    The Black Death killed about 30 per cent of the European population in a few years in the middle of the 14th century. A century and a half later the native people of the Americas were hit by half a dozen plagues as bad as the Black Death, one after another, and 95 per cent of them died. The plagues of “The Great Dying” had much less terrifying names like measles, influenza, diphtheria and smallpox, but they were just as efficient at killing. When the tens of millions of native Americans died, the forests grew back on the land they used to farm. All those forests absorbed so much carbon dioxide that the average global temperature dropped, and what would otherwise have been a minor cyclical cooling became the Little Ice Age. It got so cold that lots of Europeans starved to death — so maybe there is such a thing as “climate justice” after all. The lead researcher of the team at University College London who joined up all these dots is doctoral candidate Alexander Koch. (He hasn’t even got his PhD yet.) He borrowed the phrase “The Great Dying” from the paleontologists, who use it to describe the mass extinction event at the end of the Permian era 252 million years ago, the worst of them all. It works just as well for human beings. continue reading here
    comment: This event did not cause the little ice; it added additional cooling to a natural cooling event. Listen to a radio interview with Alexander Koch on CBC's Quirks and Quarks
  2. Okay so here's what I do not understand about BREXIT
    According to interviews with everyone from UK voters to UK bloggers, UK citizens voted for BREXIT in order to control immigration. This is only possible with a so-called hard-BREXIT. A soft-BREXIT will make the UK like Norway: inside the EU trading zone; still being required to take refugees; not at the table to negotiate new EU legislation. For this privilege the UK will pay a € 39 billion divorce bill. On top of that, it is likely that BREXIT will place a final nail in the coffin for the existing United Kingdom (witness: Ireland, Scotland, Gibraltar). Wouldn't it make more sense for the UK to stay inside the EU, not pay a divorce bill, and remain at the table helping to write new EU legislation? Makes sense to me so why are UK politicians so determined to rush over the cliff into the great unknown? With such turmoil I think this is the time for parliament to ask the public for a second opinion.
  3. Debt and Tyranny
    A very smart Scotsman, Alexander Fraser Tytler, said about 200 years ago, and I’m paraphrasing, that no democracy can survive much more than 200 years without collapsing from its own debt. He went on to say that this is the natural consequence once people discover that they can vote for the politicians who give them the most gifts and the politicians know it. Guess where we are? He also said tyranny always follows, so let’s stop trying to thwart every government that wants to save a few bucks and maybe balance a budget or two, before it is too late.
  4. Scientists call for BREXIT cooperation
    LEADING scientists from across Europe have written to UK and EU leaders, urging them to agree a BREXIT deal that preserves scientific cooperation. The letter was signed by 29 Nobel laureates, including Venki Ramakrishnan, president of the Royal Society, and six winners of the Fields Medal, the biggest prize in mathematics. According to the society, the UK received €8.8 billion out of a total of €107 billion of EU research grants between 2007 and 2013. Many of the largest grants are given to consortia that span countries. “Creating new barriers to such ease of collaboration will inhibit progress, to the detriment of us all,” the letter says. The Francis Crick Institute, a medical research centre in London, revealed this week that 78 per cent of the EU scientists working there said they would be less likely to stay in the UK after BREXIT. This print article appeared on the web under the headline “Nobel laureates sign letter expressing BREXIT concerns”Larger article: https://www.newscientist.com/article/2183679-scientists-should-use-their-clout-to-get-a-less-bad-brexit-for-all/
  5. Economists' dogmas don't always add up (from New Scientist Letters):
    In comparing the opinions of economists with those of the general public, Pascal Boyer makes an interesting point (22 September, p 40). But from there he works on the assumption that the economists are right. As a scientist, I prefer to use observation rather than opinion in my work, and the 2008 global financial crisis is enough to make one suspicious of economists. Let's take one of Boyer's examples: “While 69 per cent of the public saw excessive executive pay as a reason the economy wasn't doing better, just 12 per cent of economists did.” Yet in the two powerhouses of the post-war economy, Germany and Japan, executive salaries are much lower than in the US, UK and Australia.
    continued on page-52: New Scientist (27 October 2018)
    comment: during post-WW2 reconstruction, both Germany and Japan were advised by Americans to place upper limits on executive income. During their powerhouse decades these countries limited executive pay to 20 and 25 times the average wage of rank-and-file employees.
  6. BREXIT: the Disaster Movie! :: https://www.youtube.com/watch?v=VAK-gSYtv3w
    comment: we're going to give the British people what they voted for, but if anything goes wrong it will be the fault of the European Union
  7. When I was a teenager in the 1960s, many people (except medical and legal professionals) aspired to be scientists, engineers, technologists or technicians. It seemed that everyone was reading magazines like Scientific American, Popular Science and Popular Mechanics. A real "can do" attitude existed everywhere in our society. For example, when President John F Kennedy announced America's intention to visit the Moon before the end of the decade, naysayers complained that the goal was impossible because the technology did not exist. Meanwhile, once funding was in place, other "can do" engineers and scientists simply created the technology. Both the internet and "personal computers" are two spin-off technologies which were never dreamed of by anyone when Kennedy publically gave his moon shot speech in 1962 but by the mid 1970s it appeared that everyone was building computer kits (like the Altair 8800 or the Heathkit H8) or were buying personal computers (like the Apple-2 or the TRS-80). Within 5 years it seemed that everyone was reading Byte magazine and/or attending nightly college courses to learn computer programming and/or digital electronics. Life today is much different. It appears to me that life this side of 1995 is considerably different with many people aspiring to be politicians, political advisors, political aids, or just political pundits with a YouTube channel. The "can do" attitude has been replaced with a "can't do" political divisiveness with wannabe millionaires calling for taxes cuts and austerity (why should I be expected to pay for that?). Just at a time when humanity has become dependent upon science and technology, western civilization has decided to replace scientific facts with political opinion.
    Now watch this video: https://www.youtube.com/watch?v=D99qI42KGB0
  8. In his latest book titled Light of the Stars, astronomer Adam Frank presents convincing information that variable 'L' in the Drake Equation should be changed from "self destruction through nuclear war" to "self destruction though climate change". He argues that even if some extraterrestrial civilizations had never developed nuclear weapons (as humanity did), all would eventually grow to a size where their collective actions would change their climates, and possibly outstrip their natural resources. This is an extrapolation of the predator-prey model (described in the book) which was previously used to model the collapse of various civilizations where local people outstripped their resources (Easter Island, The Mayans, etc)

    comment-1: What does this say about what humanity is currently doing to planet Earth? In the era of mutually assured destruction (MAD), a large number of western citizens advocated for nuclear de-escalation because the thought of an accidental conflict seemed too great. Today, many people seem to think that a healthy economy is more important than a healthy biosphere. In fact, many people with financial ties to the old economy are actively working to speed the collapse by denying that the climate is warming or that is is human induced.
    comment-2: Many climate deniers do not believe it is possible for modern humans to change Earth's atmosphere. And yet, it was the action of microscopic stromatolites (cyanobacteria) that added oxygen to Earth's atmosphere ~ 3.5 billion years ago.
  9. beach covered with one-time use plasticThe European Union has just announced that they will ban one-time use plastic products by 2021. This includes: stir-sticks, drinking straws, cutlery, soft-drink containers, and shopping bags. They stated that if something isn't done now, then by 2050 there would be more plastic in the ocean than fish.
  10. The Great Pacific Garbage Patch is 16 times larger: There’s even more plastic in the Pacific than we thought. At least 79,000 tons of plastic are floating in the Great Pacific Garbage Patch. That’s four to sixteen times as much as was estimated by two studies in 2014. The Garbage Patch is an area of 1.6 million square kilometers between Hawaii and California. There, floating debris – from microscopic particles of plastic to large pieces like ropes and fishing nets – is carried by currents and accumulates. Similar patches exist in other oceans. Researchers gathered data from aerial surveys and nets towed by ships, and fed it into a computer model. This showed there is around one kilogram of plastic per square kilometer in the outer regions, rising to more than 100kg/km2 near the center. Earlier studies probably greatly underestimated the mass of plastic because they were not as comprehensive. For instance, they had to rely on spotting flotsam from boats, rather than on aerial surveys. But the team that carried out the latest study says there has also been a real increase in the mass of plastic.
  11. powel and haley
    Colin Powell and Nikki Haley selling
    religious war at the United Nations.
    Deism offers us an opportunity, right now, to, as Thomas Paine wrote about the American Revolution, "begin the world over again." This is much more important than most people realize. Why?

    Objectively looking at our world today, we see there are literally billions of people who believe man-made books that are steeped in ancient fear, ignorance and nonsense while claiming to be God's communication with humanity. Books which promote religious violence on a global scale and which teach that The Supreme Intelligence/God ordered people to commit acts of genocide against their neighbors. Is it any wonder our world today suffers from so much religious violence?

    All of the Abrahamic "revealed" religions (Judaism, Christianity, and Islam) have "holy" scriptures which promote religious violence. The Abrahamic "revealed" religion that arguably has the most influence on US government policy makers, policy makers who have the very real ability to start wars, is Judaism. This is due primarily to the raw political power of the Israel lobby and to the Hebrew Bible/Old Testament based neoconservative movement.

    These two powerful and influential organizations were successful in getting US politicians from both parties to start the Iraq War for the benefit if the Jewish state of Israel. They are now working, in much the same way as they did 15 years ago to start the Iraq War, to get US politicians to start a war for the same reasons against Iran.

    Fifteen years ago Lawrence Wilkerson was US Secretary of State Colon Powell's chief of staff. He was involved in helping Powell sell the lie that Iraq had nuclear and biological weapons of mass destruction in order to win support for a US war against Iraq. Wilkerson has written an important article in the New York Times about the parallels between that successful effort to start the Iraq War and the current effort to start a war against Iran. (Click here for an article about the pro-Israel editorial policy of the New York Times.)

    When we stop and realize the religious basis for the Iraq War and for the desired war against Iran, the vital importance of Deism becomes clear. If enough people were educated about Deism and held Deistic beliefs instead of nonsensical and harmful beliefs promoted by the "revealed" religions, it would be much more difficult for the powers that be to wage religious wars, and we would have a much better world for ourselves and for future generations.

    comment: only uneducated bumpkins are anti-Semitic. The author of this blurb is criticizing Zionism
  12. Computers speak a simple language known as binary. The lexicon is built from digital 0s and 1s, so the “C” letter at the start of this box would be represented as an elaborate code: “01000011”. The dominance of binary is partly due to computers being built from transistors, electrical switches that either allow current to flow or not, and nothing in between. These two well-defined states stand in neatly for 0 and 1. But there’s a newer electrical component on the scene called a memristor (see main story). These devices are becoming more and more useful in computers built to mimic the brain, and they are plenty more versatile than the transistor. Rather than being simply on or off, they can adopt several different states of resistance. Last year, researchers led by Vikas Rana at the Peter Grünberg Institute in Jülich, Germany, got a set of memristors successfully performing calculations in a ternary language, which uses the digital equivalent of 0s, 1s and 2s. This means memristors could allow computers to compute much more efficiently. And it doesn’t have to stop at base 3; memristors can reliably adopt at least seven, and possibly more, resistive states.

    Continued here: New Scientist (2 August 2017)

    Comment: quantum computing (as opposed to quantum communications) is the focus of much research because (entanglement aside) it primarily moves from two digital states (0+1) to three (0-middle-1) but most punters overlook the huge liquid nitrogen cooling tanks. It seems to me that memristor-based technology (with 7 or more states) might be a better candidate for certain applications like neural nets and artificial intelligence. Sci-fi author, Isaac Asimov, employed the phrase "positronic brain" as at literary device meaning "fill in the blank". I wonder if memristor technology could fill this roll
  13. Artificial Neural Nets
  14. Science is Bigger Than Politics - Neil deGrasse Tyson on: Science, Abraham Lincoln, Immigrants, Immigrant Nobel Prizes, Protectionism, Science Denial, and the Fading of America (this side of Y2K)

    The downfall of Islam - Neil deGrasse Tyson
    https://www.youtube.com/watch?v=wHPfAtPiXXs (5:58 video)
    https://www.youtube.com/watch?v=BvkBlpfbFJM (13:45 video)
    Comment: I post this because the rise of Christian religious fundamentalism in North America appears to be following a similar path to that of Islam after Al-Ghazali almost a millennia ago. Does any rational person believe that a deity will answer prayers to save us from ourselves? It is more likely that we are meant to use the natural gifts we have been given to workout solutions for ourselves.
  15. Okay so here's what I don't understand: The United States claims to be a Christian nation. It also claims to be a purveyor of democracy and yet it is best friends with Saudi Arabia (a theocratic monarchy without elections) while it dislikes Iran (a theocratic democracy with elections). To make matters worse, America sells military hardware to the Saudis who use it to attack countries like Yemen. If you claim to be a Christian then you need to ask yourself what Jesus would think about this?
  16. Our culture is awash in lies, dominated by streams of never ending electronic hallucinations that merge fact and fiction until they are indistinguishable.  We have become the most illusioned society on earth.  Politics is a species of endless and meaningless political theater.  Politicians have morphed into celebrities.  Our two ruling parties are, in reality, one party - the corporate party.  And those who attempt to puncture this vast, breathless universe of fake news, designed to push through the cruelty and exploitation of the neoliberal order, are pushed so far to the margins of society, including by a public broadcasting system that has sold its soul for corporate money, that we might as well be mice squeaking against an avalanche, but squeak we MUST
  17. A conservative friend of mine was fond of asking me (I am a centrist) political questions then would cut me off mid-sentence before I finished answering because he didn’t value my (just starting) response. Apparently he was the only conservative amongst his family of 2-brothers and parents but had no problem thinking he was right while they were wrong. How could this be? This thought rattled around in my mind until I stumbled across a book titled “The Republican Brain” which was positively reviewed by liberals and conservatives alike. The book contains several points which I will pass along here:
    • Size differences in two brain structures, the amygdala and the anterior cingulate, bias human perspective of the world. Therefore ...
    • Conservatives see things as “black and white” while liberals see “shades of gray”
    • Conservatives play politics as a team sport so will almost always vote their party while Liberals will split their vote choosing alternate parties (now you know how Trump got in)
    • Conservatives (larger amygdala) are more fearful of others so are more easily encouraged to vote for POPULIST issues restricting immigration by voting for Trump or BREXIT (funny point: Britain had the lowest number of Syrian immigrants but apparently the highest political reaction against them)
    • Since conservatives only see things as black and white, they try (and sometimes succeed) in converting liberals over to their way of voting
  18. In 2014, NATO member countries agreed to increase the amount they spend on military defense to 2% of GDP within a decade (caveat: The 2% target is described as a guideline; There is no penalty for not meeting it). EU member countries are required to invest 2% of their GDP in EU scientific R&D (Research & Development). I think it is safe to say that military spending shifts the emphasis from "R" to "D" but people today forget that World War 2 was won by the countries with the smartest research scientists. Everyone knows that creation is more difficult than destruction but most rational people would agree it is worth the effort. Perhaps humanity's future would be better off if half the money allocated to military spending was diverted to scientific research. Perhaps this could be written into the next NATO agreement.
  19. Have you ever noticed that when you present people with facts that are contrary to their deepest held beliefs they always change their minds? No, me neither. In fact, people seem to double down on their beliefs in the teeth of overwhelming evidence against them. The reason is related to the worldview perceived to be under threat by the conflicting data. Creationists, for example, dispute the evidence for evolution in fossils and DNA because they are concerned about secular forces encroaching on religious faith. Anti-vaxxers distrust big pharma and think that money corrupts medicine, which leads them to believe that vaccines cause autism despite the inconvenient truth that the one and only study claiming such a link was retracted and its lead author accused of fraud. The 9/11 truthers focus on minutiae like the melting point of steel in the World Trade Center buildings that caused their collapse because they think the government lies and conducts “false flag” operations to create a New World Order. Climate deniers study tree rings, ice cores and the PPM of greenhouse gases because they are passionate about freedom, especially that of markets and industries to operate unencumbered by restrictive government regulations. Obama birthers desperately dissected the president’s long-form birth certificate in search of fraud because they believe that the nation’s first African-American president is a socialist bent on destroying the country. Click here to read more.
    ----------
    Quote: There is research indicating that misinformed people rarely change their minds, even when presented with facts. They merely pursue alternative facts which creates a stupidity feedback loop. Read more here: Religion in politics
  20. Skeptic Magazine ( http://www.skeptic.com/magazine/archives/20.3/ ) contains a story about a contest Alfred Russel Wallace entered in 1870 to prove the Earth was round. (see: https://en.wikipedia.org/wiki/Alfred_Russel_Wallace#Flat_Earth_wager for a less detailed version of the story)

    Every citizen today should read this story paying special attention to the reactions of his opponent, John Hampden, who believed data from Wallace’s experiment proved the Earth was flat. Wallace was declared the winner and so won 500 pounds but lost it all in court costs when Hampden would not stop personal attacks while refusing to acknowledge the evidence. Why would the courts allow this? Remember that this occurred in Victorian England at a time where many respectable people were séance-attending spiritualists. I find it difficult to understand that this could happen in the country of Isaac Newton approximately 150 years after Newton's death. The point I am trying to make is this: today’s climate change deniers claim to be on the side of Galileo but they are really Flat Earthers
  21. Isaac Asimov on PBS

    Isaac Asimov PhD
    (Biochemistry)

    "There is a cult of ignorance in the United States, and there always has been. The strain of anti-intellectualism has been a constant thread winding its way through our political and cultural life, nurtured by the false notion that democracy means that "my ignorance is just as good as your knowledge."

    -- Isaac Asimov (Column in Newsweek, 21 January 1980)

    Excerpt from Wikipedia: Isaac Asimov was an atheist, a humanist, and a rationalist. He did not oppose religious conviction in others, but he frequently railed against superstitious and pseudoscientific beliefs that tried to pass themselves off as genuine science. During his childhood, his father and mother observed Orthodox Jewish traditions, though not as stringently as they had in Petrovichi, Russia; they did not, however, force their beliefs upon young Isaac. Thus he grew up without strong religious influences, coming to believe that the Torah represented Hebrew mythology in the same way that the Iliad recorded Greek mythology.

    NSR Comment: The "ignorance" quote now seems to apply to other English-speaking countries including Britain, Canada, and Australia to only name three of many.
    Questions:
    • why is it that English-speaking countries have less respect for science and scientists than other European countries?
    • why does this not apply to people from New Zealand and Tasmania ?
    • does the internet provide a venue where wacky people can meet up with other wacky people to share dopey ideas while trading conspiracy theories? Perhaps, but why are New Zealand and Tasmania immune?
  22. Two neat quotes from Winston Churchill which seem at odds with conservative talk-radio programs
    • The independence of the courts is, to all of us, the guarantee of freedom and the equal rule of law... It must, therefore, be the first concern of the citizens of a free country to preserve and maintain the independence of the courts of justice, however inconvenient that independence may be, on occasion, to the government of the day.
    • On August 17, 1949, on the occasion of the first session of the Consultative Assembly of the Council of Europe, Sir Winston Churchill expressed the wish that once an agreement on Fundamental Human Rights was achieved on a European level, it would be possible to create an International (European) Court before which any violation of such rights might be submitted for judgment by the civilized world.
  23. Facts, Theory, Hypothesis, Law: Explained!  https://www.youtube.com/watch?v=lqk3TKuGNBA
    1. Facts are observations
      • the Sun rises in the morning then sets in the evening
    2. Hypothesis is a proposed explanation
      1. the Sun moves around the Earth (jump to step 3a)
      2. the Earth moves around the Sun (jump to step 3b)
    3. Theory is a tested Hypothesis
      1. test of hypothesis 2a...
        • passes (until the era of precision measurements) so jump to step 4 to build models (mathematical, mechanical, computer-based)
        • fails during the era of precision measurements (Tycho Brahe) so go back to step 2 to develop hypothesis 2b
      2. test of hypothesis 2b passes (we have a theoretical understanding of the issue) so jump to step 4
    4. Law is a detailed mathematical description
      • develop a model to test the hypothesis with greater precision (early physical models were machines; modern models employ computers)
      • a successful theory produces yet-unobserved predictions (eg. Atomic Theory, Theory of Gravitation)
      • improved observations (new facts) through newer instrumentation may force us back to step 2 (eg. General Relativity)
  24. A.I. has been shifting from an "engineering discipline" ("expert systems" was their most visible practical success before IBM's Watson) to a "cognitive science" discipline for a while now. This shift has forced researchers to view the human mind from a different perspective. One proposal by Daniel Kahneman separates the human mind into two abstractly labeled modules colloquially referred to as system-1 and system-2 (or S1 and S2). S1 is a high-speed parallel processor evolved for avoiding predation by lions but also handles wrote intelligence (what is "2 plus 2"?) while S2 is a serial processor which deals with higher level procedural intelligence (what is "19 times 21"?).
     
    S2 requires more energy and concentration (not something you want to be doing while being chased by a lion) so idles until activated by S1.
    Notes for examples below:
    • Example 1: "S1 immediately engages S2 but fails to pass accurate information to S2 (causing S2 to make an error)"
    • Examples 2-5: "S1 will answer incorrectly without ever engaging S2"
    • Example 6: "S1 immediately engages S2; S2 employs a little algebra to compute the answer then notifies S1; S1 doesn't believe S2 so requests S2 to double-check; S2 repeats the solution then notifies S1; S1 still doesn't believe S2 so requests S2 to perform a detailed rationalization of where S1 had gone wrong"

    1. algebra with fruitThis graphical algebra problem employs picture symbols rather than x, y and z. Calculate the answer.
      (hover your mouse here to reveal the answer)
    2. "All flowers need water. All roses need water. Therefore, all roses are flowers". Is this logically true?
      (hover your mouse here to reveal the answer)
    3. A bat and a ball cost $1.10 in total. The bat costs $1 more than the ball. How much does the ball cost?
      (hover your mouse here to reveal the answer)
    4. If it takes 5 machines 5 minutes to make 5 widgets, how long would it take 100 machines to make 100 widgets?
      (hover your mouse here to reveal the answer)
    5. A patch of lily pads are found in a lake. Every day the patch doubles in size. If it takes 48 days for the patch to cover the entire lake, how long would it take for the patch to cover half of it?
      (hover your mouse here to reveal the answer)
    6. Three people check into a hotel room. The clerk says the bill is $30, so each guest pays $10. Later the clerk realizes the bill should only be $25. To rectify this, he gives the bellhop $5 to return to the guests. On the way to the room, the bellhop realizes that he cannot divide the money equally. As the guests didn't know the total of the revised bill, the bellhop decides to just give each guest $1 and keep $2 as a tip for himself. Each guest got $1 back: so now each guest only paid $9; bringing the total paid to $27. The bellhop has $2. And $27 + $2 = $29 so, if the guests originally handed over $30, what happened to the remaining $1?
      (hover your mouse here to reveal the answer)
  25. chloroplastThe computed World Human Population Limit
     
    A little math proves the current human population is already too large at 7.57 billion (this is a real-time counter BTW). Anything higher (caveat: humanity adds 1 billion every 12 years) is certainly out of the question. Why?

    Higher temperatures reduce the efficiency of photosynthesis resulting in a loss of agricultural productivity (biologists estimate a 10% drop for every degree increase). This is a shift in the direction of famine, disease (due to compromised immune systems), war (due to food and water shortages), and death. Since photosynthesis is required to replenish atmospheric O2 (oxygen), then we can expect O2 to drop as well. So I guess it should be no surprise that...

    Atmospheric oxygen levels have been dropping ever since measurements began in 1990. While CCS (carbon capture and storage) technologies promise to limit some CO2 releases, any burning of fuel will continue to consume atmospheric oxygen. So when calculating the optimum human population we also need to include the number of large internal combustion engines. (for now, just think about the number of ocean-going boats, jet airplanes, locomotive engines, and one billion functional automobiles). Now for one additional thought...

    Many people mistakenly believe higher CO2 levels "are good for plants" and "will trigger plant growth" (some people call CO2 the gas of life). First off, atmospheric CO2 levels have risen from 315 to 405 ppm (an increase of 28.5%) ever since direct annual measurement began in 1958 but humanity has not noticed any explosion of plant life to compensate for the increase (if we did, we might not have seen an increase in CO2 levels). Secondly, this schematic diagram of photosynthesis shows the first stage involves the photolysis of water by sunlight (this is the only place where oxygen is released to the atmosphere). This diagram is proof that sunlight (input 1) and H2O (input 2) are more important than CO2 (input 3) but each ingredient is considered a limiting factor to maximum photosynthetic productivity (it goes without saying that there is no release of oxygen on short days, cloudy days, or at night). The majority of plant life acquires water through roots rather than the atmosphere. Higher temperatures will evaporate a greater volume of water into the atmosphere making it bio-unavailable to plants. While more evaporation usually translates into more rain fall, higher temperatures will send it back into the atmosphere sooner.
  26. Baruch Spinoza was a 17th century Dutch Jewish philosopher (1632-1677). He was known for his radical views on religion and politics. As a young man, he was banned by his own religious community for his scandalous ideas. He made his living by grinding precision lens for scientists. He died young, at the age of 44, presumably from inhaling glass dust. Spinoza did not believe that God created the heavens and earth - the universe.  For Spinoza, God was equivalent to all of nature. He believed that "false religion" created superstition.  A "true religion," on the other hand, was liberating because it allowed freedom of thought. The Europe of 17th century was a place  of stifling religious orthodoxies, strife and war. Spinoza believed in freedom of thought and the principle of religious tolerance. Spinoza also had radical ideas about the nature of politics. He believed in democracy. He is credited with helping to shape the revolution in human thought known as The Enlightenment.
     
    CBC IDEAS host Paul Kennedy explores how Spinoza's thoughts on God, the universe, ethics and politics helped ignite the flame what became known as the Enlightenment.
    http://www.cbc.ca/radio/ideas/spinoza-1.2913483 Audio: 53:59
  27. RadiometerIn 1873, while investigating infrared radiation and the element thallium, the eminent Victorian experimenter Sir William Crookes developed a special kind of radiometer, an instrument for measuring radiant energy of heat and light. Crookes's Radiometer is today marketed as a conversation piece called a light-mill or solar engine. It consists of four vanes each of which is blackened on one side and silvered on the other. These are attached to the arms of a rotor which is balanced on a vertical support in such a way that it can turn with very little friction. The mechanism is encased inside a clear glass bulb which has been pumped out to a high, but not perfect, vacuum.
    Observations/Explanations:
    • When sunlight falls on the light-mill, the vanes turn with the black surfaces apparently being pushed away by the light. But there is a problem with this explanation. Light falling on the black side should be absorbed, while light falling on the silver side of the vanes should be reflected. In that case the mill is turning the wrong way.
    • In 1901, with a better vacuum pump, Pyotr Lebedev showed that the radiometer only works when there is low pressure gas in the bulb but the vanes stay motionless in a hard vacuum. This is proof that the thermal properties of the low pressure gas are responsible for the motion, not the direct action of photons. Climate-Warming Food-for-thought: too much gas traps too much heat causing the machine to stop working.
    • The radiometer can also be made to rotate backwards in a refrigerator.
    • Other mistaken explanations for the radiometer: Since the black side of each vane would absorb heat from infrared radiation more than the silver side, then this would cause the rarefied gas to be heated on the black side.  In that case, the obvious explanation is that the pressure of the gas on the darker side increases with its temperature, creating a higher force on the dark side of the vane which thus pushes the rotor around.  Maxwell analyzed this theory carefully and discovered that, in fact, the warmer gas would simply expand in such a way that there would be no net force from this effect, just a steady flow of heat across the vanes.  So this explanation in terms of warm gas is wrong, but even the Encyclopedia Britannica gives this false explanation today.  A variation on this theme is that the motion of the hot molecules on the black side of the vane provide the push.  Again this is not correct, and could only work if the mean free path between molecular collisions were as large as the container, instead of its actual value of typically less than a millimeter.
    • The correct solution to the problem was provided qualitatively by Osborne Reynolds in 1879 in a paper to the Royal Society in which he considered what he called "thermal transpiration". To explain the radiometer, therefore, one must focus attention not on the faces of the vanes, but on their edges.  The faster molecules from the warmer side strike the edges obliquely and impart a higher force than the colder molecules.  Again, these are the same thermo-molecular forces responsible for Reynolds' thermal transpiration.  The effect is also known as thermal creep, since it causes gases to creep along a surface that has a temperature gradient.  The net movement of the vane due to the tangential forces around the edges is away from the warmer gas and towards the cooler gas, with the gas passing around the edge in the opposite direction.  The behavior is just as if there were a greater force on the blackened side of the vane (which as Maxwell showed is not the case); but the explanation must be in terms of what happens not at the faces of the vanes, but near their edges.
Humanity
  • Thomas Paine
    Thomas Paine
    Thomas Paine (1737-1809) wrote many things including "the importance of the separation between church and state" and "racial equality" (he even proposed "abolishing slavery 100 years before Lincoln"). The following three titles are a "must read" for all modern citizens:
  • Adam Smith (1723-1790) was a self titled "moral philosopher" who developed economic theories with the intent of redistributing wealth to those people who were about to be displaced by the industrial revolution. After reading Smith's book An Inquiry into the Nature and Causes of the Wealth of Nations, I have come to the conclusion that American capitalism is based upon a synthesis of Adam Smith and Charles Darwin (survival of the greediest). Many things Americans attribute to Adam Smith are not found in his book. On top of this, Adam Smith is considered one of the founders of anti-mercantilist thought. I think it is safe to say that he would be against economic globalism.
  • The $2 Trillion Dollar War by Nobel Prize winner Joseph E Stiglitz
  • Humanity's Coming Dark Age
  • Comparative Anthropology
  • the Enlightenment (my favorite topic)
Religion Health
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"2001: A Space Odyssey"
A mysterious monolith awakens the imagination of humanity's distant ancestors.
A second monolith awaits humanity's giant leap to the moon. And in orbit around Jupiter,
a third monolith beckons humanity to transcend beyond the limits of of body and machine.
Click: 2001: A Space Odyssey @ Wikipedia

Feynman Diagram (animated) Feynman Diagram (static) "All forces in the universe are mediated by particle exchange"
This "Feynman Diagram" (of electron repulsion) depicts the movement of two electrons (1 to 3 and 2 to 4) in space and time. A virtual photon transfers energy between them (5 to 6) causing them to repel each other.
To learn more:
1) brief explanation
2) detailed explanation
Legend: Y-Axis (up-down) is time while X-Axis (left-right) is space

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Personal e-mail: Neil Rieck

Spirits In The Material World

There is no political solution
To our troubled evolution
Have no faith in constitution
There is no bloody revolution

We are spirits in the material world

Our so-called leaders speak
With words they try to jail you
They subjugate the meek
But it's the rhetoric of failure

We are spirits in the material world

Where does the answer lie?
Living from day to day
If it's something we can't buy
There must be another way

We are spirits in the material world

The Police (Ghosts in the Machine)

It was the dawn of the third age of mankind, ten years after the Earth/Minbari war. The Babylon Project was a dream given form. Its goal, to prevent another war by creating a place where humans and aliens could work out their differences peacefully. It's a port of call - home away from home for diplomats, hustlers, entrepreneurs, and wanderers. Humans and aliens wrapped in two million, five hundred thousand tons of spinning metal, all alone in the night. It can be a dangerous place, but it's our last best hope for peace. This is the story of the last of the Babylon stations. The year is 2258. The name of the place is Babylon 5. - Commander Sinclair
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