| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| el_tonio | "Hi Mat, have you thought of using a microscope? you can get ones that connect to smartphones, which depending on your phone should give you good re..." | Read more » | over 9 years ago | |||
| mathew | "From the literature on stickypads, concentrations of particles smaller than the resolution of the scanned image can be roughly estimated by albedo ..." | Read more » | almost 10 years ago | |||
| jefffalk | "I may not be understanding this method fully but keep in mind that PM2.5 indicates particulate of aerodynamic diameter less than or equal to 2.5µm...." | Read more » | almost 10 years ago | |||
| eustatic | "Mat, thanks for working on this crucial issue. lung cancer sucks, and you should apply for an NIH grant for your work to cure it. <3 " | Read more » | almost 10 years ago | |||
| stevie | "Hm.. disappointing! I have faith though, keep on geekin on :) " | Read more » | almost 10 years ago | |||
| mathew | "right-- and with an SLR the image capture would be much faster than waiting for a scanner. " | Read more » | almost 10 years ago | |||
| cfastie | "I had a similar experience when I was figuring out how to copy old film negatives. The best (very expensive) scanner at Middlebury College made a b..." | Read more » | almost 10 years ago |