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John Cuthber

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Posts posted by John Cuthber


  1. 12 hours ago, MigL said:

    I would think the tariff is to stop the US from flooding the markets with cheap cheese.

    No, it's largely in retaliation for the US imposing stupid tariffs on cheese from the rest of the world to protect the dairy lobby there and this sort of thing

    https://www.telegraph.co.uk/news/worldnews/barackobama/4272657/US-punishes-France-with-roquefort-tariff.html

     

    It's remarkable how the Capitalist proponents of "free trade" are so happy to slap tariffs on stuff.
    It's as if they don't believe in market forces.


  2. 4 hours ago, J.C.MacSwell said:

    Power output can and does change over time.

    kW per hour is real...it just does not have not common usage.

    OK, it's a real thing.

    But it's not a real thing in this thread.


  3. "several tens of millivolts and several microamps per cm-2."

    So that's about 100 nW per cm^2

    About a milliwatt per square metre.

     

    According to this page

    https://bee-health.extension.org/honey-bee-nutrition/

    "A worker bee needs 11 mg of dry sugar each day"

    Sugar stores about 4 KCal per gram or 16KJ/g

    So 11 mg  of sugar provides 176 J

    That's pretty close to 2 mW

    So they are producing energy at about the rate needed to keep a bee flying round a 2 square metre flowerbed.

    On 7/31/2019 at 6:30 PM, John Cuthber said:

     

     it hardly matters

     

    It may be technically interesting, but it's not going to save the world.

    9 hours ago, J.C.MacSwell said:

    Why would an increasing rate of electrical power not be useful?

    Because it's not real.


  4. 21 hours ago, anaccountnow said:

    I ask because I wonder if it is purely a luck thing

    Yes.

    20 hours ago, Ghideon said:
    21 hours ago, anaccountnow said:

    I wonder what twins that grow up separately in other environments and families look like.

    How is that related to the question in the title?  

    I think it's clear that it relates to the OP.

    Imagine to (identical) twins who are separated + go + live in different environments.

    Would they grow up looking the same?

    Well, clearly, not always.

    One might grow up in a place with more sun and get more skin damage + wrinkles.

    The other one might well think themselves lucky.

     

    The problem, as I see it, is working out what isn't "luck"?

    I guess you can choose to use sunscreen, but otherwise how you look isn't really your choice (or anyone else's).

     

     


  5. 7 hours ago, Art Man said:

    The reason for this political lopsidedness among scientists comes from the diversity of the scientific professions.

    No.

    It comes from the fact that science needs cooperation and critical thought which are both anathema to the republicans.

    7 hours ago, Art Man said:

    Denying scientists freedom of press to publish their papers as they see fit...

    is exactly what the previous system did. It forced them to publish in expensive journals which people couldn't afford to read.

    The current move to making everything available makes sense both from the perspective of the scientist who enjoys a large audience and from the taxpayers who paid for he work and are now better able to benefit from it.

     

    7 hours ago, Art Man said:

    You're going to find Republican scientists quietly gravitate towards the less social demanding higher paying jobs, jobs with little recognition and higher tech demand such as engineering jobs or resource gathering jobs.

    That unevinced assertion may be true, or it may no.

     

    However, it's stupid to imagine that the people who compiled the original survey did it at cocktail parties or bars.

    They will have taken the trouble to get a representative sample of scientists and they found that nearly all of them are more Left than Right.

     

     


  6. 2 hours ago, Vishy said:

    f a teaspoon of urine and one glass of water is consumed the cough problem

    of a patient will be cured .

    If the urine and water are not consumed, the cough will go anyway.


  7. Fundamentally, in a world where we need to warn people that coffee is hot when you have heated it, I don't think we are going to succeed in getting people to calculate cooking times for their potatoes from a heat capacity and mass.

     

    I still want know what density Sensei assumes for air and potatoes.


  8. On 7/21/2019 at 9:58 AM, Enthalpy said:

    Many people told quickly "yellow smoke is lead, toxic, decontaminate"

    Unless, of course, it isn't.
    Have you seen the pictures of the Amazon forest fires.

    Lots of yellow smoke, but I don't see any obvious source of lead.


  9. I think it's fair to say , without knowing or caring who is right,  that the strength of opposition between the views of just two people on opposite sides of the border is such that linking the two countries is probably a non-starter.

     


  10. And then there's the other reason...

    It is unlikely that nuking an embryonic hurricane would actually stop it.

    But it is possible that you would alter the path.

     

    Now imagine that a "nuked" storm  hits a city.

    It would have missed if you hadn't tried nuking it, so it is now your fault that the city got hit.

    You are now personally responsible for all the deaths, injury and damage.

    I hope you have a good lawyer.


  11. 7 hours ago, swansont said:

    Boiling to cook is heat transfer. Using microwaves is work, from a thermodynamic standpoint. The former reaches steady-state, the latter does not.

    OK, what about a conventional oven?

    It's  common for that to be set well above 100C.

    So, if the food reached equilibrium, all the water would be boiled off and the food would be almost charcoal.

    Does that mean I should bake 4 spuds for 4 times longer than I bake 1?

     


  12. On 8/23/2019 at 5:38 PM, rangerx said:

    When half the country follows him, that's where the bar is set.

    They didn't.

    Trump is in power.

    That says something about America. (Albeit, not uniquely)


  13. 7 hours ago, dimreepr said:

    Firstly your random stranger is their priest

    What if it is someone else's priest.

    My perspective is that I don't recognise the authority of their priest or of their God.
    So, from my point of view, they have "apologised" to some random person.

    Somehow they think that makes it OK.

    7 hours ago, dimreepr said:

    Whatever my motive or outcome I deserve to feel better, and I don't care if that comes from someone I trust or through my own acceptance of my flawed self.

    Now, the latter point has some validity.

    To say to yourself " bother! I shouldn't have done that and I will try to do better next time!" is fine .

    (though, if you happen to recognise me next week I'd still hope  you would  say sorry)

     

    If "confession" makes it less likely that you would apologize to me (if the occasion  arose) then that confession has done harm.

     

    7 hours ago, dimreepr said:

    If I wronged you by standing standing on your toes but:

    I was in a hurry and didn't have time to apologies.

    I was unbalanced by standing on your toe and didn't get a look at you.

    Etc...

    That would be... just one of those things.

    (If toe strapping is a game then there's nothing to apologise for, and I was talking about accidentally doing so.).

    I might still think you were a bit of an oaf, but I'd get over it.

     

    What does the priest add to  the process?

    6 hours ago, dimreepr said:

    Religion is needed by some because people don't always get it and they need a guild.

    And look where it sometimes gets them.


  14. 4 hours ago, dimreepr said:
    4 hours ago, John Cuthber said:

    If I accidentally step on your toe should I apologise to some random stranger at a later date, or should I apologise to you?

    If you get a chance to, and in an ideal world, yes; but there are a myriad reasons why you wouldn't or couldn't.

    And I think we can agree that I should feel some sort of "relief" at getting the chance to do so. 
    Both of us will be happier if I apologise to you for stepping on your toe. Such behaviour is socially "useful".

     

    My point is that, if I (knowingly) apologise to some random stranger instead, I don't "deserve" that sense of satisfaction.

     

    Religious confession is where you wrong someone, apologise to your imaginary friend, and feel that you did something useful in doing so.


  15. 10 minutes ago, Sensei said:

    It is so cool to read your invaluable input, John, but yours Saturday post, is delayed by two years... Notice when my post was made...

    ps. It's good to sober prior reply, don't you think?

    ps2. There should be added option to this forum "I am drinking".. whenever somebody drinks at weekend, presses button, which automatically delays his or her reply the all messages to forum..

     

     

    Close, bu no cigar.
    This post


    was the one I made when I got back from the pub.
    As for pointing out your glitch- better late than never.

    Incidentally, "sober" isn't usually a verb.

    "Sober up" is.

    So you should say " It's good to sober up prior to replying, don't you think?"

    But I think you are right about your 2nd PS.

    (and I think some might benefit from an "I'm stoned" warning too.)


  16. On 9/22/2017 at 4:12 PM, Sensei said:

    They are not comparable. In solar panel you invest once, then you can use the next 20-30 years, without significant costs, until it breaks (with tiny decrease of power after many years of usage).

    Oil you have to buy day by day. One day oil price on stock market is $145.31 per barrel in July 2008, the next couple months it dropped to $30.28 in Dec 2008. Just an example.

    You can't predict price of oil in couple months/weeks, not to mention period of 20-30 years.

    It can, and will, go high, when oil wells will be running out of oil, one by one. High demand for limited good results in increased price.

    I am great fan of solar panels. I would use them everywhere, if I could, and only after exhausting accumulators use regular power supply.

     

     

    I can make the comparison quite easily.

    I go to the bank and explain that I want to put solar panels on my house to heat it (instead of using oil fired heating).

    I don't have the cash to pay for it, so I want a loan.

    And, as you say, the panels last about 25 years so I will take out a loan over that period. (In principle,I can then take out another loan for new panels when I need them.

    And the bank will be happy to tell me what the loan would cost- in terms of monthly repayments.

    I can then simply compare one set of monthly bills (oil + delivery etc) with the other (loan repayment etc.)

    (There are maintenance costs too but I can simply include them in my calculation)

    Now, it's not unreasonable for me to assume that the price of oil will rise- and it's possible that the interest rate will change. But, for now, I can compare the two options.

     

    Incidentally...

    "You can't predict price of oil"

    "It can, and will, go high,"

    You just predicted it.


  17. 5 minutes ago, Moreno said:

    will not be supported by any Canadian politician who actually wishes to be elected to office

    Why not?

    Because Canadians don't want Trump, or his sort of  politician.
    The question isn't why not, but why?

    What would Canadians gain?

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