Live data from Hacker News

Viewing profile — petschge

petschge

HN member
Joined
Mon, Feb 16, 2015, 8:56 PM UTC
HN karma
2,499
Public activity
612 items

About petschge

Human not Orc, but my ID is 0000-0002-8906-7783

Recent public activity

  1. story
  2. comment
    Comment #46774702

    IF the velocity would change from 0.7m/s to 0m/s over one second, the acceleration would be 0.7m/s/s. But if the time span over which that velocity change is (much) shorter, the ac…

  3. comment
    Comment #45511817

    You don't need to identify the A320 from 15 pixels. Once you see a 15 pixel signature that changes between subsequent frames you point the one extra camera on a movable mount with …

  4. comment
    Comment #44654136

    Obligatory XKCD: https://xkcd.com/723/

  5. comment
    Comment #44293955

    Seeing how the sausage gets made makes you realize ALL the downsides and things you'd rather not have known. That doesn't mean you can think of a way to fix science. Let alone get …

  6. comment
    Comment #44279196

    See also https://xkcd.com/356/

  7. comment
    Comment #43673209

    For scale: The LHC has more than 11km diameter and the deepest mine we have built is 4km. Adding vertical distance is much harder than making the diameter of the circular tunnel la…

  8. comment
    Comment #43187478

    How do you encode the difference between a method that adds and a method that multiplies two numbers in the type signature?

  9. comment
    Comment #43085367

    Remember that ATC will give wind speeds in knots, not km/h.

  10. comment
    Comment #43065045

    I was referring to the "The US government is trying to bring back nuclear safety employees it fired on Thursday, but is struggling to let them know they should return to work, NBC …

  11. comment
    Comment #43064960

    How chaotic does https://www.bbc.com/news/articles/c4g3nrx1dq5o sound to you?

  12. comment
    Comment #41925259

    In my experience people understand perfectly well but assume that you are ex-military.

  13. comment
    Comment #41260460

    How is that extortionate? Using the inflation calculator of the Bank of England that is 86 pounds now or $110. Admittedly that more expensive than the current price of $24 for the …

  14. comment
    Comment #41141859

    If that thing had VGA-in on top of the keyboard and mouse out via USB, it would be a great tool to carry in a data center when you have to physically interact with a machine.

  15. comment
    Comment #41030294

    Sure, for booleans you can just test all combinations of input arguments. In some cases you can do the same for all possible 32 bit float or int values that you have as input. But …

  16. comment
    Comment #39757734

    That's what? Fourteen F-35s? Shared by all of Europe. Or in other words 30 cents per European for each of 6 years. Science is much cheaper than you think. And much cheaper than not…

  17. comment
    Comment #39636393

    This has now changed to "Signal is experiencing technical difficulties. We are working hard to restore service as quickly as possible."

  18. comment
    Comment #39636243

    https://status.signal.org/ says it's "up and running" but that is clearly not the case. I find that more concerning than the outage itself.

  19. comment
    Comment #39631764

    There is the GAFFTC (German Air Force Flying Training Center) at Holloman AFB?

  20. story
  21. comment
    Comment #39319077

    In Europe a closet is furniture, not a built in room.

  22. comment
    Comment #39243073

    While Hertz are 1/s, there is implications between using frequencies in Hertz and rates in 1/s. Units are not just something to mechanically check, but also for communication with …

  23. comment
    Comment #39133226

    To get sensitivity you actually need collection area.

  24. comment
    Comment #39104486

    Everybody in this thread is insanely positive on height adjustable desks, but I have had height adjustable desks at different employers since 2013, and I have never used them as st…

  25. comment
    Comment #38912089

    Can you tell more or link to a description? What where you able to observe?