| 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 https://networthplanet.com/ " | Read more » | about 5 years ago | |||
| kgradow1 | "Comparative sizes of common particles: http://www.engineeringtoolbox.com/particle-sizes-d_934.html " | Read more » | about 7 years ago | |||
| partsandcrafts | "Second hit on the question "How small are respirable particles?" Not specific to smoke, but useful context: http://www.who.int/occupational_health..." | Read more » | about 7 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 7 years ago | |||
| warren | "Geoff from NASA Goddard found a good resource here: https://www.fs.fed.us/pnw/pubs/pnw_gtr251.pdf Apparently under 1 micron! Very small. " | Read more » | over 7 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 13 years ago |