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zeynep's profile
zeynep tufekci
zeynep tufekci
zeynep tufekci
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@zeynep

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zeynep tufekciVerified account

@zeynep

Complex systems, wicked problems. Society, technology, science and more. @UNC professor. @NYTimes columnist. My newsletter is @insight: http://www.theinsight.org 

floating in a most peculiar way
theinsight.org
Joined August 2009

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    1. Lora Kolodny‏Verified account @lorakolodny 6 Apr 2020
      Replying to @zeynep

      i didn't see the "masks don't work at all" posts. i'll go do some research into that matter - but curious what the hall of shame stories or speeches were, in your view? (dm's open if you don't want to put them on blast here, and if you have the time or interest in trading notes.)

      2 replies 0 retweets 0 likes
    2. ZJ Morris‏ @ztopiapub 6 Apr 2020
      Replying to @lorakolodny @zeynep

      What about runners huffing and puffing down sidewalks with no masks? And walkers following in their footsteps afterwards? 😬

      1 reply 0 retweets 1 like
    3. Sherie Edenborn PhD‏ @EdenbornPhd 6 Apr 2020
      Replying to @ztopiapub @lorakolodny @zeynep

      The Montour trail in Pittsburgh has been PACKED with people. There have posts about bikers spit flying on people et cetera & bikers putting pool noodles on their bikes to keep others 6 ft away. Also lots of good people doing what they should to protect themselves & others.

      2 replies 0 retweets 2 likes
    4. zeynep tufekci‏Verified account @zeynep 6 Apr 2020
      Replying to @EdenbornPhd @ztopiapub @lorakolodny

      I think we should look into separating runners from walkers and other congestion management techniques (like with traffic) so that people can have access to outdoors/exercise (essential) without increasing anxiety/risk (not good!). Key is maintaining distance.

      2 replies 0 retweets 1 like
    5. ZJ Morris‏ @ztopiapub 6 Apr 2020
      Replying to @zeynep @lorakolodny

      So only runners run in a huffing-and-puffing runner's wake? That doesn't mitigate the runners aerosol wake reality much, does it?

      1 reply 0 retweets 1 like
    6. zeynep tufekci‏Verified account @zeynep 6 Apr 2020
      Replying to @ztopiapub @lorakolodny

      I would personally not consider running behind a runner outdoor to be high-risk, especially if everyone ran in the same direction and kept a few feet apart. (It's not at all proven that there is aerosol (tiny floating) rather than droplets (larger)).

      4 replies 0 retweets 1 like
    7. ZJ Morris‏ @ztopiapub 6 Apr 2020
      Replying to @zeynep @lorakolodny

      What about these? March 17 MIT https://jamanetwork.com/journals/jama/fullarticle/2763852 … March 26 MIT hhttps://jamanetwork.com/journals/jama/fullarticle/2763852

      1 reply 0 retweets 1 like
    8. zeynep tufekci‏Verified account @zeynep 6 Apr 2020
      Replying to @ztopiapub @lorakolodny

      Good to explore but if there was such sustained transmission *outdoors*, we would be looking at very very different numbers. That's relevant for ventilation systems in hospitals (closed ventilation/high dose due to concentration of sick people). Not true in a running trail.

      2 replies 0 retweets 2 likes
    9. ZJ Morris‏ @ztopiapub 6 Apr 2020
      Replying to @zeynep @lorakolodny

      Do we have data that illustrates a sidewalk on a still day is different from a grocery store aisle?

      1 reply 0 retweets 0 likes
    10. ZJ Morris‏ @ztopiapub 6 Apr 2020
      Replying to @ztopiapub @zeynep @lorakolodny

      27 Feet indoors. Is a sidewalk on a still day really so different? A walker, walking in the wake of a runner? Doesn't feel safe it to me personally. https://www.oregonlive.com/coronavirus/2020/04/6-feet-of-social-distancing-not-nearly-enough-cdcs-recommendation-driving-some-experts-nuts.html …

      1 reply 0 retweets 1 like
      zeynep tufekci‏Verified account @zeynep 6 Apr 2020
      Replying to @ztopiapub @lorakolodny

      I share the concern about indoors (poorer ventilation). I think runners/walkers should be separated when possible. But that article has huge errors. The "three hours in the air" came from a study where they aerosolized it ON PURPOSE IN A MACHINE. So, author is unqualified.

      4:18 PM - 6 Apr 2020
      • 1 Retweet
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      • Paul 'Living in the Crazy Years' Harper
      2 replies 1 retweet 1 like
        1. New conversation
        2. zeynep tufekci‏Verified account @zeynep 6 Apr 2020
          Replying to @zeynep @ztopiapub @lorakolodny

          And yeah, if somebody sneezed, that would stop me in my tracks! Hence directionality/spacing/separating runners from walkers. It's just the kind of thing I wish the CDC would do its job and give us sensible guidelines. Close all parks isn't sustainable for 18 months.

          1 reply 0 retweets 2 likes
        3. ZJ Morris‏ @ztopiapub 6 Apr 2020
          Replying to @zeynep @lorakolodny

          slot reservation systems (similar entry times when visiting museums) and pace tracking to load balance ... may be in our future

          1 reply 0 retweets 2 likes
        4. Show replies
        1. New conversation
        2. Sherie Edenborn PhD‏ @EdenbornPhd 7 Apr 2020
          Replying to @zeynep @ztopiapub @lorakolodny

          Wanted to mention this yesterday, but didn’t have a good source on had. Sneeze parameters like this used in modeling. Seems quite a challenge to really know what is going on.https://www.sciencedirect.com/science/article/pii/S2352352215000067 …

          1 reply 0 retweets 2 likes
        3. zeynep tufekci‏Verified account @zeynep 7 Apr 2020
          Replying to @EdenbornPhd @ztopiapub @lorakolodny

          Thank you! What a complicated process. In a local grocery store last week, I saw plexiglass (wide and tall) separating the customer from the grocery store clerk. I think that's an awesome idea. Probably need that for lots of places that can't close down.

          1 reply 0 retweets 2 likes
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