Jonathan Reichhold

@jreichhold

Engineer and mentor. Used to work

Seattle, WA
Joined May 2008
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  1. Sep 6

    Decided, with staying at home, to repaint the house. 7 gallons of paint in 2 weeks mostly on weekends and evenings. Coming out alright.

    4 replies 10 likes
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  2. May 30

    I had people crashing in my apartment arrested after police directed a march into a restricted area. Arrests were thrown out but night in jail. Imagine consequences of that in pandemic

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  3. May 30

    Hate seeing this repeat and furious that people are encouraging violence against pain.

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  4. May 30

    I saw the WTO on the streets and no idea who hit stores but majority was peaceful. News only covered violent minority. We have to change this repeating narrative

    1 reply 1 like
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  5. May 30

    For the first time in months, traffic is backed up on i5 in seattle. Sadly shutdown from protesters. After WTO haven’t been in protests. How do we change the system?

    2 replies
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  6. Mar 4

    Seattle tech startups and larger basically WFH for the rest of the month..... Stay safe out there

    2 likes
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  7. Dec 31

    Realizing that is using computer clock and timezone tonight. Guess it wasn't specified in deprecation but about that time.

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  8. Retweeted
    7 Jun 2019

    “What's missing is an infrastructure for innovation—a systematic approach where people, processes, software, and operations are intentionally designed to encourage new ideas by supporting the courage that's required to voice them.”

    1 reply 2 retweets 8 likes
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  9. 24 May 2019

    SPOF as a feature to improve reliability? What could go wrong...

    0:17
    Starlink satellites are equipped with one solar array instead of two, minimizing potential points of failure
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  10. Retweeted
    14 May 2019

    Hiring is HARD. But help is on the way! Please join the waitlist, and if you're interested in getting more involved, ping us at contributing@holloway.com.

    This Tweet is unavailable.
    2 retweets 6 likes
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  11. 18 Apr 2019

    Walking on Bannon Street this morning and kept seeing large groups with red clothing. Realized they were all from who had their IPO today.

    1 reply 1 like
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  12. 20 Mar 2019

    Not sure the FBI starting criminal side is right thing for the investigation on 737 Max Suspect this will lead to less understanding and improvement.

    3 likes
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  13. 17 Mar 2019

    Also interesting data here

    The easiest way to do this was to add some features to the existing Elevator Feel Shift system. Like the system, the relies on non-redundant sensors to decide how much trim to add. Unlike the EFS system, MCAS can make huge nose down trim changes.
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  14. 17 Mar 2019

    Everyone involved with software needs to think this through and internalize. How many times do we use data available instead of pushing for correct input? How many times do we change limits without thinking through consequences

    The 737Max and Why Software Engineers Might Want to Pay Attention
    1 reply 3 likes
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  15. 17 Mar 2019

    The 737 Max certification is disturbing. Single sensor, >3x input with no max (full authority), and zero thought of elevator input remaining for pilot. This isn’t a correct safety analysis and wonder what else was missed

    1 reply 4 likes
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  16. 10 Mar 2019

    Having been involved with 737-700/800/600 certifications and many other systems, I’m concerned on implications of 737 Max crashes and the lack of design or certification testing on system. Hoping article is wrong or safety is getting worse.

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  17. 27 Feb 2019

    Kind of humerous to see the HN article on tweet IDs today and suggest the author read the code or variants of it out there... the trick in the document is core to the algorithm as designed...

    1 reply 3 likes
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  18. 27 Nov 2018

    Nice to see continuing the progress after

    That night, a forest flew: DroneSeed is planting trees from the air
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  19. Retweeted
    27 Aug 2018

    I"n managing workload there are only four coping strategies: (1) shed load, (2) do all components but do each less thoroughly, thereby, consuming fewer resources, (3) shift work in time to lower workload periods, (4) recruit more resources." (Woods and Hollnagel, 2006)

    2 replies 55 retweets 148 likes
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  20. Retweeted
    10 Aug 2018

    Thought exercise: locate an event that is deemed widely to be a *success* in your organization, and then look for the single "root cause" of that success. You will include this "root cause" in a company-wide report, so make sure it's specific enough to defend and support.

    9 replies 58 retweets 160 likes
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