Lecture 6: Aeromicrobiology
site.iugaza.edu.ps › 2010 › 03If there is no air current in the room the smokewill still eventually reach you at the door but it will be very diffuse as it is also spreading in every other direction. However, if there is a fan behind the person holding the smoking candle and this fan is pointed at the door, then the smoke from the candle will be carried by this air current.