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gdpgreg

HN member
Joined
Tue, Dec 18, 2018, 5:31 PM UTC
HN karma
38
Public activity
22 items

About gdpgreg

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Recent public activity

  1. comment
    Comment #19589001

    The feasibility of this is completely determined by the insulation and albedo of the house. Working around the thermal inertia of the house is tricky, blasting the AC hard at night…

  2. comment
    Comment #19480391

    They wouldn't be. We limit ourselves to current or near current technology for these analysis or you can easily get into the realms of hypotheticals very easily. If you say that th…

  3. comment
    Comment #19441977

    Looks like the issue is the feed stock, non-uniform particle size distribution and significant differences in aspect ratio. All the different pieces are clumping up because of the …

  4. comment
    Comment #19386477

    With all due respect to Garneau, I don't think the statement that he wouldn't hesitate to get on a max 8 doesn't really mean much considering he willingly flew 3 times on the most …

  5. comment
    Comment #19386377

    Isn't the alternative an abandonment of the 737 max 8 series from international carriers? The US currently has the largest aviation market but it's growing globally. Airbus has the…

  6. comment
    Comment #19294591

    That was the falcon heavy test launch. The two rockets that landed were side boosters which so happened to be two other falcon 9s.

  7. comment
    Comment #19294562

    It's the first new crew vehicle launch from the US since the end of the space shuttle program in 2011. It's also in theory a lot cheaper than the Soyuz.

  8. comment
    Comment #19291462

    Hans Rosling did a lot of work on communicating birthrate in the developing world and how in general they trend towards the replacement rate ted talk where he goes over it: https:/…

  9. comment
    Comment #19281231

    The same can be said about any power flowing into the county. Wikipedia indicates that the two major power plants in San Bernardino county are in solar, thus they must be importing…

  10. comment
    Comment #19268759

    They're not a conversion system so you don't measure them in terms efficiency, rather you use coefficient of performance, you can never have efficiencies above 100%.

  11. comment
    Comment #19214103

    Out of curiosity, under the assumption you had kids, was your parenting style the anti pattern to helicopter parenting?

  12. comment
    Comment #19184908

    Dave from EEVblog does that a lot, found a new fancy 4k TV in the trash, managed to fix it by reflowing a single chip, works like a charm now.

  13. comment
    Comment #19111480

    They were very mass limited, you only get 1kg of lifting ability per cube of gas.

  14. comment
    Comment #18916849

    1)Your wrong, they have 28billion barrels equivalent in proven reserves 2)they make more than that because they're vertically integrated

  15. comment
    Comment #18865590

    You can get nibs tuned and modified, I once had the opportunity to use a VP with a reverse oblique nib, changes everything.

  16. comment
    Comment #18846088

    Well, give it a couple years for Canada to figure it out.

  17. comment
    Comment #18824230

    Easier to just burry it, treating it for use in combustion systems wouldn't be worth it given the energy density is low. Better off using Sabatier process with excess solar at that…

  18. comment
    Comment #18782502

    Cause someone murdered the leading scientist in the field. Also there's concerns that it'd be too easy to turn it essentially into a very long range, highly effective weapon that c…

  19. comment
    Comment #18774945

    If anyone is planning on following this, make sure to read up about how to properly handle HF before you touch it. That shit is time delayed death in a bottle, and make sure to get…

  20. comment
    Comment #18771034

    It's litterally black and white in intellectual property laws.

  21. comment
    Comment #18763746

    I wish people would stop calling every company a startup and themselves a founder when what that have is a medium sized manufacturing business.

  22. comment
    Comment #18715900

    That thing saved me 5 hours on its first day.