Question: With COVID, I am really wondering, how the air in space is behaving?

[EloiStree]

Schlieren

[EloiStree]

• 
  • What face masks actually do against coronavirus
  • Difference between mask

[EloiStree]

List of air interaction

• Breath/Cough
  • https://youtu.be/0-hrudZBj7o?t=145
• Handkerchief (FR: Mouchoir)
  • https://youtu.be/0-hrudZBj7o?t=173
• Surgical mask:
  • https://youtu.be/0-hrudZBj7o?t=205
• Pollusion mask:
  • https://youtu.be/0-hrudZBj7o?t=244

[EloiStree]

https://www.youtube.com/watch?v=P27HRClMf2U Breath https://youtu.be/P27HRClMf2U?t=17

Couch

• https://youtu.be/P27HRClMf2U?t=23

  Hand

  

Elbow

Mask

Dust

[EloiStree]

Lexical

Aerosol <10 um: Stay in air Between Stay in air but finish by falling Droplet >20 um: Fall quickly Source: https://youtu.be/JJpt6Bse0j8?t=80 Aerosol <5 um go in alveolar space Aerosol <10 um go tracheal

Wind and air can transport airborne droplets [][https://youtu.be/jMLGyL5neik?t=179)