A new simulation by Finnish researchers showing how far viruses spread when a single person coughs is a startling reminder as to why we should do our best to stay home.
The 3D model was published on Thursday, April 9, on Finland’s Aalto University YouTube channel and has already been viewed more than 750,000 times. In the minute-long video, a person coughs out aerosol particles in a corridor bounded by shelves, much like at a normal grocery or supermarket.
Within two minutes, the air-borne particles spread over to the adjacent corridor. The simulation takes into account normal indoor ventilation air conditions, and also show how high particles travel with a colour-coded representation.
Aerosol particles from a dry cough, which is a symptom of Covid-19, are less than 15 micrometers, so small that they drift through the air rather than sink to the floor.
“Someone infected by the coronavirus, can cough and walk away, but then leave behind extremely small aerosol particles carrying the coronavirus,” Ville Vuorinen, assistant professor at Aalto University, said in a statement. “These particles could then end up in the respiratory tract of others in the vicinity.”
The study, conducted by researchers from a number of Finnish universities, aims to find out how the coronavirus spreads through the air. “Preliminary results indicate that aerosol particles carrying the virus can remain in the air longer than was originally thought,” the statement by Aalto University reads. “So it is important to avoid busy public indoor spaces.”
MATCH DETAILS
Juventus 2 (Bonucci 36, Ronaldo 90 6)
Genoa 1 (Kouame 40)
FIRST TEST SCORES
England 458
South Africa 361 & 119 (36.4 overs)
England won by 211 runs and lead series 1-0
Player of the match: Moeen Ali (England)
The biog
Name: Younis Al Balooshi
Nationality: Emirati
Education: Doctorate degree in forensic medicine at the University of Bonn
Hobbies: Drawing and reading books about graphic design
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UAE currency: the story behind the money in your pockets
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New UK refugee system
- A new “core protection” for refugees moving from permanent to a more basic, temporary protection
- Shortened leave to remain - refugees will receive 30 months instead of five years
- A longer path to settlement with no indefinite settled status until a refugee has spent 20 years in Britain
- To encourage refugees to integrate the government will encourage them to out of the core protection route wherever possible.
- Under core protection there will be no automatic right to family reunion
- Refugees will have a reduced right to public funds
UAE currency: the story behind the money in your pockets
RedCrow Intelligence Company Profile
Started: 2016
Founders: Hussein Nasser Eddin, Laila Akel, Tayeb Akel
Based: Ramallah, Palestine
Sector: Technology, Security
# of staff: 13
Investment: $745,000
Investors: Palestine’s Ibtikar Fund, Abu Dhabi’s Gothams and angel investors
The specs
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- Power: 640hp
- Torque: 760nm
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The Beach Bum
Director: Harmony Korine
Stars: Matthew McConaughey, Isla Fisher, Snoop Dogg
Two stars
Petrarch: Everywhere a Wanderer
Christopher Celenza,
Reaktion Books
