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Blackbeard_

HN member
Joined
Tue, Aug 14, 2018, 2:42 PM UTC
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About Blackbeard_

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Recent public activity

  1. story
  2. comment
    Comment #19440395

    Yeah, right on. To put some numbers behind that it seems only ~1% of London's buses are electric whereas about a third are hybrid. http://content.tfl.gov.uk/bus-fleet-audit-31-marc…

  3. comment
    Comment #19420367

    They do try to mitigate this criticism in the first line of the article: "Light-by-light scattering is a very rare phenomenon in which two photons – particles of light – interact, …

  4. story
  5. comment
    Comment #19378217

    RE: Football Monopolies can have negative effects without trying to extract monopoly rents. The competition between BT and Sky massively increased the TV rights price for e.g. the …

  6. comment
    Comment #19203493

    I don’t understand this comment... It’s true that the first event occurred after only two days but ligo have 11 events over two running periods at this point. https://en.m.wikipedi…

  7. comment
    Comment #19084576

    Having a country-wide 1% must pull it down in some cases. For instance in the UK if you bought the $4.1m London home on a 25 year, 3% mortgage, with a 25% deposit you'd pay about $…

  8. comment
    Comment #17835032

    That would be more than a 5 sigma difference which would definitely be significant but that number you're quoting for normal hydrogren is the 1S-2S line. This measurement is the 1S…

  9. comment
    Comment #17834720

    Yeah that's right, the red shift is just one contribution to the total uncertainty. They're all listed in table I and the 4.2 * 10^-15 just comes from adding them in quadrature.

  10. comment
    Comment #17764480

    https://arxiv.org/abs/1710.07663 Those interested in a (somewhat) accessible view of where particle physics is at in a big sense could read this article from the head of our theory…

  11. comment
    Comment #17764462

    The article is just discussing a type of data analysis. The machine runs the same way regardless.

  12. comment
    Comment #17761173

    The gist is that you would roughly look for deviations from theory on one (probably small) dataset, you'd identify any regions of interest and then run a proper analysis of that re…