beh / bicykel a korona :: Remember, remember, the velvet November


node:	beh / bicykel a korona
template:	4
parent:	Covid-19 / Novel Coronavirus (2019-nCoV)
owner:	CARBON IN DISGUISE
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created:	09.04.2020 - 03:31:06

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ABSOLUT
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"On the basis of these results the scientist advises that for walking the distance of people moving in the same direction in 1 line should be at least 4–5 meter, for running and slow biking it should be 10 meters and for hard biking at least 20 meters."

src
https://medium.com/@jurgenthoelen/belgian-dutch-study-why-in-times-of-covid-19-you-can-not-walk-run-bike-close-to-each-other-a5df19c77d08

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Trash. Neunuvali sa zverejnit svoj vyskum ani len ako preprint. Nikto nevie, ako na to prisli, na com tie zavery (?) stoja. Jedine co vieme s istotou, ze su to attention whores, ktore leteli skor do medii, ako za kolegami na peer review.

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plati samozrejme pri bezvetri

akonahle co len trochu pofukava z boku, tak to je v pikosekunde mimo drahu cloveka za tebou

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ono zase na hradzi funguje taka anomalia, ze vzdycky ti fuka protivietor ked si tam...
je uplne jedno ktorym smerom ides ;)

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lebo vacsinou fuka z boku :)

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jo, to je vyhoda toho ked si vonku. na druhu stranu pri zlom vetre any tych 10m nemusi stacit...

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chapem, ale ked je akykolvek vietor, tak sa predsa ciastocky zo zdroja rozprchnu uz po par metroch na x-krat vacsi objem, cize koncentracia o dost klesne

bolo by velka nahoda, aby sa sustredili ako laser priamo do tvojich ust ktore sa prave idu nadychnut :)

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mozno by sme mohli tuto otazku fundovane zodpovedat, keby niekto na to urobil nejaky vyskum a napisal o tom clanok :)

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ide o to, ze riziko je vyssie. hlavne pri prehustenych miestach ako je hradzach...

ked si sam alebo 50m od seba, je to riziko nulove...

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tak este raz. kolko ma ta biela ciara dlzku? imho tak 2m, mozno aj viac. ale berme to ako minimum. pozeram na ludi z lava do prava. rozostup korcularky a bajkerky, ktora ju pravdepodobne predbieha je 2m. typek za nimi je od nich tak 7m. na tejto fotke, akoby tym dvom dychal na chrbat. oranzovy typek ja na mile daleko...

typek so zltym batohom je minimalne 8m za tym deckom.. na fotke su hlava na hlave...

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a teda ma vacsina rusku o com sa vo vyskume nehovori :)

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cize si ti ludia privyrabaju na iny problem. mat rusko/buffku stale na tvari pocas je ako si naplut na ruku, vytriet si tym nos, tvar a usta.
nehovoriac o tom, ze rusko ani buffka nefunguju za par minut pri sporte, lebo navlhnu.

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> je ako si naplut na ruku, vytriet si tym nos, tvar a usta.

aky je v tom problem?

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ze tym mozes vdychovat ine patogeny...

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lol, cakal som kedy sa ozves :)))

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trha mi oci ta fotka proste :)

ale vahal som dlho, ci nieco napisem :)

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"Note 2: Because of the urgency of the situation and the world‐wide crisis, we exceptionally have turned
things upside down. First research results & communication to the public, only today I submitted the
research proposal for funding, later we will submit the peer‐reviewed article. We thought carefully about
this reversed order. Given the situation, we decided it would be unethical to keep the results confidential
and keep the public waiting months for the peer review process to be completed."

To sranduju?

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Nesranduju. Proste su to kokoti :)

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co sa ti na tom nezda?

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ze to je nieco na styl, zdielajte kym nezmazu resp. je to neoverene

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no ja ti neviem. akoze jasne, je to 'neoverene' lebo to nepreslo cez peer review, ale povedat, ze white paper s autormi
Professor Civil Engineering at Eindhoven University of Technology, the Netherlands and KU
Leuven, Belgium
Researcher Civil Engineering / Sports Aerodynamics at KU Leuven
je zdielajte kym nezmazu je trochu (dost) mimo.

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Problem je, ze sa neunuvali zverejnit svoju metodologiu ani len ako preprint. Low low, sooo low, prisli v ramci medialneho attention whoringu vo vede tak nizko, ako sa len da.

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to bolo len prirovnanie
myslim, ze ci uz si profesor alebo nie tvoj vedecke poznatky musia prejst peer review poukazujem len na to

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no 'musia' ale ved presne to pisu. napisanie formalneho clanku moze trvat roky a, v zavislosti od discipliny, peer review moze trvat dalsie roky, tak co, mali to dovtedy nezverejnit?
e: ako prirovnanie to bolo velmi, velmi nevhodne.

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no tak "zdielajte kym nezmazu" to bolo
https://dennikn.sk/1872483/nakazit-sa-koronavirusom-od-cyklistu-ci-bezca-to-tazko-hovoria-vedci/?ref=tit

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paywall. fulltext?

pred paywallom vidim, ze "Americký portál Vox sa na uvedenú štúdiu pozrel bližšie a usúdil, že ju treba brať s veľkými rezervami.", k comu ako odporucanu literaturu navrhujem ISBN 978-0-19-046941-2

ale kukol som aj do papiera, kedze uz je public, a vidim ze "
This suggests that avoiding substantial droplet exposure in the conditions of this study
and in a way equivalent to the 1.5 m for people standing still can be achieved by one of two actions: either by
avoiding to walk or run in the slipstream of the leading person and keeping the 1.5 m distance in staggered or
side by side arrangement, or by keeping larger social distances, where the distances increase with the walking or
running speed.
[...]
The equivalent social distance for walking and running in the slipstream is defined as the distance that should be kept between the leading and trailing walker/runner to avoid substantial exposure to slipstream droplets, similar to the case where two people are standing still at 1.5 m distance. In the absence of head wind, tail wind and cross-wind, for walking fast at 4 km/h this distance is about 5 m and for running at 14.4 km/h this distance is about 10 m.
"

Takze kedze ti nerobi problem vyskum zhadzovat, rovnako ocakavam fundovanu analyzu toho, co je na tychto zaveroch nespravne a preco to je "zdielajte kym nezmazu".

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asi im to bude trvat dlhsie, je to bez rusok, a v bezvetri, cize zdielajte kym nezmazu