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jonjenk

HN member
Joined
Thu, Sep 08, 2011, 12:43 AM UTC
HN karma
223
Public activity
31 items

About jonjenk

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Recent public activity

  1. comment
    Comment #41125908

    Right. But this requires cooling to liquid helium temperatures. That's a separate level of hard and cost compared to liquid nitrogen.

  2. comment
    Comment #15191503

    Why not? Because the single greatest threat to Amazon's business continuity is a major quake in Seattle. Vancouver sits on some of the same tectonic plates. It's likely that this m…

  3. comment
    Comment #13760476

    This is a joke. The latest MacBook Pro redesign is an affront to pro users. At our hardware/software startup the new MacBooks are unusable due to the limitations of the USB-C ports…

  4. comment
    Comment #13074891

    Sure, but they aren't Web Scale!

  5. comment
    Comment #10311264

    I've created a lot of 3D printed gears over the last few years and one of the best tools I've found is from Rainer Hessmer. http://hessmer.org/gears/InvoluteSpurGearBuilder.html It…

  6. comment
    Comment #10081797

    Former head of engineering at Pinterest here. Marty was one of the first three engineers at the company. He is an amazing guy -- smart, personable, fun to work with. This is a boon…

  7. comment
    Comment #9939350

    Former Amazon person here. This is totally wrong. Amazon retail has been running on AWS for years.

  8. comment
    Comment #9857343

    What you are describing is called "backdriving" the gearbox. Generally speaking, gear trains with high reduction ratios don't like to be backdriven. Small steel gear trains with ra…

  9. comment
    Comment #9841249

    This is a pretty shitty apology. The key problem is that ekjp isn't owning the failures directly. Just look at the language in the post... "We screwed up." "We haven’t communicated…

  10. comment
    Comment #9720996

    I know some of the people who have signed up for this and I can say with confidence that I'd happily take them at any salary. The fact that some of the best and brightest in our in…

  11. comment
    Comment #9535429

    That level of accuracy would be hard to achieve. Most radio signals (eg. BTLE) don't travel well through water (eg. snow). Additionally, if you've ever dug someone out in the field…

  12. comment
    Comment #9535399

    "When I ride alone I can maybe go top to bottom in slightly under 20m but I'm flying and really pushing it the whole time, I wonder if the drone could even keep up in that situatio…

  13. comment
    Comment #9338519

    I'm an engineer so when people ask if something is possible my honest answer has to be that anything is possible. Would you allow me to rephrase your question? I'd rather answer th…

  14. comment
    Comment #9337491

    I totally understand your concern. That's why we NEVER turn on the stove for you. All modern stoves require you to push the knob in to move it from the off position. The Meld Knob …

  15. comment
    Comment #9337465

    I'm one of the founders of Meld and I'm happy to answer any questions you might have about our product or precision cooking and temperature control in general. We were as surprised…

  16. comment
    Comment #9246689

    I wish every flight I was on would deplane this way.

  17. comment
    Comment #8941951

    I agree that we don't have a controlled study in this case. However, it will be interesting to look at this data at the end of next season. If the Patriots fumble stats revert to p…

  18. comment
    Comment #8941618

    Analyzing outlying statistics across all the available variables would be an interesting technique to try to predict other potential rules violations. This could apply to many diff…

  19. comment
    Comment #8240816

    I don't think so. I can almost hear Jeff's voice... "Don't make your problem the customer's problem!" There are often many technical solutions to create a particular customer exper…

  20. comment
    Comment #8240777

    Former Amazonian here. If anyone wants to understand the key difference between Amazon and Google culture there's a great quote in the article. "In all the testing, Roy had never s…

  21. comment
    Comment #8208884

    It's interesting that they delay the Twitter by an hour. You can get real time 911 info for Seattle here. http://www2.seattle.gov/fire/realtime911/getRecsForDatePub.a...

  22. comment
    Comment #7996715

    Would someone please start a religion that denies the authority of the TSA so we can opt out of this security theater on religious grounds?

  23. comment
    Comment #6046944

    If you're interested in this general topic check out this Wikibook from John Rauser. He's a data scientist at Pinterest. http://en.wikibooks.org/wiki/Ad_Hoc_Data_Analysis_From_The_…

  24. comment
    Comment #5926002

    There is a great wiki book on this subject. http://en.wikibooks.org/wiki/Ad_Hoc_Data_Analysis_From_The_U...

  25. story
    Dreamhost Outage

    A combination of power and network issues are affecting Dreamhost customers on the West Coast.