Recent content by edpell

  1. edpell

    When does the photon splits in 2 on the Two Slit Experiment?

    I like Feynman's take. The photon takes all paths each with a probability weighted by the exp of the delta of the action from the min action. So no need to answer your question it always takes all paths.
  2. edpell

    Keeping People Alive on Mars: A Discussion

    There is a lot of talk about going to Mars. But not a lot of talk about how to keep the people alive on Mars. I am hoping we can talk about that here.
  3. edpell

    Cognitive genomics research at BGI

    I did contact them. They just bought a gene sequencer company. They are switching over to the new machines. This is a 12 month delay in schedule. Also the lead researcher left to start his own company. But the project is still funded and making progress.
  4. edpell

    Can the Mossbauer Effect Occur in Liquids?

    Is it possible to have the Mossbauer effect in a liquid?
  5. edpell

    Progress on Explaining Bell's Inequality

    Ilja, good point. I have never heard this before.
  6. edpell

    Cognitive genomics research at BGI

    The BGI corporation has a research project that is called cognitive genomics. Has anyone seen any results from them yet? They seems to be behind schedule.
  7. edpell

    How massive do neutrinos need to be to account for all dark matter?

    Hot or cold? Tell me more. I did not know there were two kinds.
  8. edpell

    Uncertainty in spin on multiple axes

    I do not think this has anything to do with the uncertainty principle. There are three independent variables the spin in the x-direction, the spin in the y-direction, and the spin in the z-direction. Knowing one of these tell you nothing about the other two.
  9. edpell

    Why the muon is considered a fundamental particle?

    What is meant by first excited state of the electron? I have never heard of this. An electron with no measurable size of structure how does it get excited?
  10. edpell

    How massive do neutrinos need to be to account for all dark matter?

    Wikipedia offers "It is estimated that today the CνB has a temperature of roughly 1.95 K". How cool do they have to be to contribute to the dark matter effect?
  11. edpell

    Progress on Explaining Bell's Inequality

    Elroy, the use of small is due to Aspects one million times the speed of light as a lower bound on the speed of communications from his experimental measurements. Say hello to Astro.
  12. edpell

    News What lessons can we learn from the Charlie Hebdo shooting?

    The french police officer who was down on the ground choose not to draw his side arm instead he put his arms up as the murderer with the military rifle ran towards him. The other pictures of french police show rifles that look like they are from 1940 and of a caliber suitable for small children...
  13. edpell

    Why is there an observable universe?

    Cronos, I do not follow. If the initial condition had a large spatial extent how is this possible. If we start at one point and we have expansion faster than the speed of light (inflation, something I consider to be a fudge) then I can see that all could see all at the first instant and then...
  14. edpell

    Progress on Explaining Bell's Inequality

    Yes. This is the line of my thinking. I would disagree with the phrase "can be infinitely stretched." I think it is another dimension like string theory uses other dimensions. The two particles do not need to move apart in entangle dimension just because they moved apart in the 3 dimensions of...
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