Overall, the discussions reflect a consensus that masks significantly reduce aerosol dispersion, supported by scientific visualizations and studies, with users citing visual evidence from schlieren imaging and referencing reputable research to reinforce their points, demonstrating high interest and engagement.
AgreementStrong agreement
Most discussions emphasize that masks effectively reduce aerosol spread, aligning strongly with the study's findings.
InterestHigh interest
Participants demonstrate high curiosity, referencing detailed studies, scientific articles, and visualizations like schlieren imaging.
EngagementHigh engagement
Many contributors engage deeply by sharing scientific evidence, analyzing visualization results, and debating mask effectiveness.
ImpactHigh impact
The persistent referencing of peer-reviewed research and visual evidence highlights a recognition of the study's significant influence on understanding aerosol transmission.
Abstract in brief
The study uses schlieren optical imaging, a non-intrusive technique that visualizes airflow by detecting changes in air temperature, to observe how human coughs spread aerosols and how masks like surgical and N95 affect this process.
Results show that coughs produce a turbulent air jet that can spread infectious aerosols, but wearing masks significantly reduces or redirects this airflow, decreasing the transmission risk.
High-speed video analysis of coughs reveals that masks either block or redirect the airflow, demonstrating their effectiveness in controlling aerosol spread and protecting against airborne infections.]
Jun 6, 2020 · 21 likes · 19 shares · 7,987 followersView post →
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Chris Carvalho
@gorgepulse · X
A coronavirus walks into a bar & says, MY PEOPLE...THANK YOU!! https://t.co/Cc4qTGgSPo
@OregonGovBrown @OHAOregon
Aug 21, 2020 · 3 likes · 1 share · 1,030 followersView post →
RA
RxHomeTest | Making Health Tests Accessible
@RxHomeTest · X
How do masks prevent spreading of virus?
Researchers from Penn State & NUS Singapore compared air flow without a mask, a surgical mask and an N95 mask.
Reference: https://t.co/mWkS3rlNkr & https://t.co/VMpZIYH6AF
https://t.co/bmHPjUeqoe | #covid19 #tests #testing #masks4 https://t.co/2sZFET6xtY
20. such that these pathogens do not reach the breathing zones of people nearby.
Van der Sande et al
Professional & home-made face masks reduce exposure to respiratory infections
Tanget al
A schlieren optical study of the human cough with and without wearing masks
This video demonstrates airflow patterns associated with talking, visualized using schlieren and shadowgraph imaging systems. The experiment illustrates how airflow is exchanged during speech, highlighting the…
The study uses schlieren optical imaging to visualize airflow during human coughs, demonstrating how masks like surgical and N95 reduce the spread of aerosols and airborne infection risk.
This video uses airflow imaging to visualize patterns associated with everyday respiratory activities. It demonstrates how effort to contain coughs or sneezes can be effective and highlights the variability between…
@FranksDankTank @Ashleymw1990 @TimRunsHisMouth This one actually says it works to prevent the particles in both directions actually, even if it’s minimal protection for the wearer: https://t.co/FERAH2zUbj
Masks reduce spread of respiratory aerosols: https://t.co/LdLCIucSGb
@SusanDavidsonM2 @trahana @joeyfox85 @MicroLevitator There are some "generic" On YouTube
Thermal (mostly short range for contrast)
https://t.co/KUzwOs6aDp
https://t.co/qtBxhkJKhm
https://t.co/zHTdQngAMc
Schlieren (contrast+, lim field)
https://t.co/9WpkxpkqHE
https://t.co/Ybaz5kfKGY
https://t.co/51iTXu3MLJ
@ReaganLandslide @jegrifff @Alicia0Givens This one actually says it works to prevent the particles in both directions actually, even if it’s minimal protection for the wearer: https://t.co/FERAH2Rv2R
Masks reduce spread of respiratory aerosols: https://t.co/LdLCItVhhB
@JvanderAa3 @maradonnyvdb @cor4office @arjenlubach Check out this visualization of your “bubble” in different settings: https://t.co/FLvHXwFfTD https://t.co/VIhQDH3CIE https://t.co/1dnOXEfTJd
https://t.co/JEe1DBef5d https://t.co/CKi8cwcV0G
@Kirsty1864 @RockHound47 @jeff_skrentner @peterpalmer52 @RWMaloneMD @Christoffer1968 @KennyMac765 Yes i have the evidence that mask works against airborn pathogens
Here:
https://t.co/otMSVVbYMg
https://t.co/j1kqL3H01w
https://t.co/7DemEC5FMX
@benshapiro What are you talking about? Science on masks has been clear.
https://t.co/ki4YfY1l1u
https://t.co/xKUh9psyqD
https://t.co/xKUh9psyqD
https://t.co/rTKQzwhXGf
https://t.co/UVQ7D6DMUy
https://t.co/1G8MpCeAtm
https://t.co/FERAH2Rv2R
https://t.co/LdLCItVhhB
Mar 2, 2021 · 1 like · 1 share · 20 followersView post →
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Frank W. Chambers
@chambersfw1 · X
@jljcolorado Gary Settles, now retired from Penn State, was doing excellent schlieren visualizations of coughs in 2009. Schlieren shows density gradients.
https://t.co/om2lIMUSgq
20. such that these pathogens do not reach the breathing zones of people nearby.
Van der Sande et al
Professional & home-made face masks reduce exposure to respiratory infections
Tanget al
A schlieren optical study of the human cough with and without wearing masks
A 2009 #Interface paper analysed the effectiveness of surgical and N95 masks. Both masks were able to prevent the jet produced by human coughing @penn_state @NUSingapore https://t.co/YOXRrknR3w https://t.co/FWbm13Rkw4
@HeatherPatriot @mgiannonemd @chuckwoolery Hey! I'm serious about science.
Here are some *scientific* articles on masks working!
https://t.co/ZTl85JXcKU
https://t.co/7R7qW0rJPJ
I would love to see your literature on how they're ineffective. And blogs unfortunately don't count
@linseymarr @Don_Milton @Lakdawala_Lab Prof. Settles also was behind this 2009 publication visualizing coughs with and without masks.
https://t.co/om2lIMDgRQ
@wrinklewarrior @JohnFAllan @aubrey_huff @GavinNewsom This tweet is an opinion, not a fact. Masks reduce fluid droplets dispersed when talking, breathing, and coughing.
https://t.co/7R7qW0rJPJ
Here's the science. Peer-reviewed articles are the gold standard in scientific literature.
Altmetric – A schlieren optical study of the human cough with and without… https://t.co/RU04o9inCR This research article is in the top 5% of all research outputs ever tracked by Altmetric.
A schlieren optical study of the human cough with and without wearing masks for aerosol infection control | Journal of The Royal Society Interface https://t.co/A7q9dcKl47 #COVID19 #N95
Imaging mirror shows how exhaled plumes easily reach another person’s breathing space during conversation standing about one meter (about 3ft) away, courtesy dr.Julian Tang, virologist @nytimes #SocialDistancing https://t.co/9GOgpd5rTE
A schlieren optical study of the human cough with and without wearing masks for aerosol infection control | Journal of The Royal Society Interface https://t.co/aOrqiN3DVt
@DarioEpstein Le diría que no está de más guiarnos por la física de fluido de los aerosoles. Uno de los primeros hits en google. https://t.co/qPEamj9Q9R https://t.co/zOD0Z5mCjc
May 5, 2020 · 1 like · 11,716 followersView post →
RA
RxHomeTest | Making Health Tests Accessible
@RxHomeTest · X
How do masks prevent spreading of virus?
Researchers from Penn State & NUS Singapore compared air flow without a mask, a surgical mask and an N95 mask.
Reference: https://t.co/mWkS3rlNkr & https://t.co/VMpZIYH6AF
https://t.co/bmHPjUeqoe | #covid19 #tests #testing #masks4 https://t.co/2sZFET6xtY
@nprscottsimon Sorry @nprscottsimon . Not so relevant. Frustrated with ATC Nat. Conversation. There is lots of good research out there.
https://t.co/om2lIMDgRQ
https://t.co/zETB7WNFEB
2009: A schlieren optical study of the human cough with and without wearing masks for aerosol infection control
Journal of The Royal Society Interface https://t.co/BsR6ggmQB4
@MilesMcBain @MackayIM I'd previously found a paper that looked at the plume from a cough being disrupted by N95 and surgical masks. https://t.co/UY7mL7OR7n the surgical mask redirected the plume sideways. The question is therefore how much cough momentum the home made mask stops.
@AnneKasmar @C_Scanga @TEDMED https://t.co/oPjOjD9srv
@michael_shiloh
Mike Shiloh, who is a mask sceptic (with reasonable cause, although we disagree) recently highlighted other recent studies.
@edyong209 Heard you on @nprfreshair . Your Atlantic& web email addresses bounced. This paper by Gary Settles may be interesting. Contact me.
https://t.co/ApGPhtQPQW
@DukeTog25626933 @TracyMelo2 @Surgeon_General @JeromeAdamsMD 4/ https://t.co/ladu6poaN6
"A schlieren optical study of the human cough with and without wearing masks for aerosol infection control"
Most important take-away: "(B)oth surgical and N95 masks serve an important purpose in preventing airborne virus transmission:
@waEMD @Q13FOXKiggins @joshfarley
Study 7 - "A schlieren optical study of the human cough with and without wearing masks for aerosol infection control"
Most important take-away: "(B)oth surgical and N95 masks serve an important purpose in preventing airborne virus transmission: they prevent
เทคนิคถ่ายภาพชื่อว่า schlieren photography
ใครอยากอ่านเปเปอร์เต็ม ตามลิงค์นี้ไปได้เลย
A schlieren optical study of the human cough with and without wearing masks for aerosol infection control
Julian W. Tang1 et al.
https://t.co/wepnoXVlTG
... (10.1098/rsif.2009.0295.focus). 9. UNMASKED COUGH Unmasked coughing producesa turbulent air jet extending across the present field-of-view and probably well ...
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