Again, why not go with Dr. Jimenez's argument-by-anecdote? He was making quantitiative claims based on his personal impressions of what people do outside.
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Replying to @Merz @kprather88 and
@jljcolorado actually addressed that..pic.twitter.com/PzLMSUOhbY
1 reply 0 retweets 10 likes -
Replying to @PrasadKasibhat1 @kprather88 and
"10-20% more" is meaningless. Frequency, duration, geometry, admixture.
2 replies 0 retweets 0 likes -
Replying to @Merz @PrasadKasibhat1 and
It's a quantitative claim. 2x vs. 20x. If it's not totally made up, he did not provide any pointers to where the model is.
1 reply 0 retweets 0 likes -
Replying to @Merz @PrasadKasibhat1 and
Perhaps you know, and can provide a link.
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Replying to @Merz @PrasadKasibhat1 and
Prof. Jose-Luis Jimenez Retweeted Prof. Jose-Luis Jimenez
I made quantitative arguments, but you chose to ignore them. E.g. here, droplets reach 1m talking, 2 under heavier breathing. US conversational distance is 0.5-1m. It's all in the thread I sent you, and you ignored.https://twitter.com/jljcolorado/status/1292893416469090304 …
Prof. Jose-Luis Jimenez added,
Prof. Jose-Luis JimenezVerified account @jljcolorado48/ PS: forgot to include, figure from a more detailed study (https://aip.scitation.org/doi/10.1063/5.0021427 …) reaching conclusions similar to Tweets 37-38. Droplets need to be >300 um to reach across 1 m efficiently. Consistent with https://www.sciencedirect.com/science/article/abs/pii/S0360132320302183 … pic.twitter.com/4j0qUbypJrShow this thread3 replies 2 retweets 31 likes -
Replying to @jljcolorado @PrasadKasibhat1 and
Where, specifically, does the 2x (vs. the measured 20x) dropoff in transmission come from? Where did you get that number?
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Replying to @Merz @PrasadKasibhat1 and
Prof. Jose-Luis Jimenez Retweeted zeynep tufekci
Here,
@zeynep is replying that there is a ton of data, and the distance is shorter outdoors, if anything!https://twitter.com/zeynep/status/1473466171995435013?s=20 …Prof. Jose-Luis Jimenez added,
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Replying to @jljcolorado @Merz and
Detail: no finding that outdoors conversations are consistently more distant than indoors, and some of the variables like sense of space violation—people also adjust for vertical space—means people can get closer outdoors, but also gender-composition, noise and culture mediates.
3 replies 0 retweets 4 likes -
Replying to @zeynep @jljcolorado and
I wonder if culture also applies to volume and aerosol production. Have any cross cultural studies been done about quantity of aerosols generated in ordinary conversation? Might some languages/cultures produce less aerosols than average?
1 reply 0 retweets 0 likes
Search first author’s pre-pandemic work as well.https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0227699 …
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