Author Comment Last activity Moderation
Mark34 "Last year my friend Lisa recommend me to visit even on the earth like Centerville. Mostly exploring these things on " | Read more » about 3 years ago
kgradow1 "Comparative sizes of common particles: " | Read more » about 5 years ago
partsandcrafts "Second hit on the question "How small are respirable particles?" Not specific to smoke, but useful context:" | Read more » about 5 years ago
guolivar "Smoke particles (and by smoke I mean combustion products) come in sizes all the way down to 1nm (0.001micron) and in shapes that make it very trick..." | Read more » over 5 years ago
warren "Geoff from NASA Goddard found a good resource here: Apparently under 1 micron! Very small. " | Read more » over 5 years ago
gonzoearth "Great post. Thank you for writing about the thought process of determining how to access this area safely and strategically. This narrative of care..." | Read more » almost 11 years ago