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Author | Comment | Last activity | Moderation | ||
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marlokeno | "Thanks! " | Read more » | about 6 years ago | |||
marlokeno | "OK, I found some promising links- https://www.jpl.nasa.gov/spaceimages/details.php?id=PIA21964 This link includes an example inset of part of San J..." | Read more » | about 6 years ago | |||
marlokeno | "Hi- As noted above, chalk, e.g. chalk dust in classrooms, and cement manufacture, are major sources of calcium carbonate pollution. Cement manufac..." | Read more » | over 6 years ago | |||
marlokeno | "@warren A few notes about that green stuff. I've been looking into information on mine reclamation with our local sand mines, which are, unfortunat..." | Read more » | almost 7 years ago | |||
marlokeno | "Hi- If your growing seeds inside, one of the favorites of botanists is brassica rapa, which has lots of cultivars, such as bok choy. It was one of ..." | Read more » | almost 7 years ago | |||
marlokeno | "Hi, @mathew and @SimonPyle - Terrific work! After seeing the demonstration mathew gave at the barnraising in November '16, and then looking at Ca..." | Read more » | almost 7 years ago | |||
marlokeno | "Hi, @bkleist- One thought regarding the moisture obscured lens-if the camera is in an enclosure, a small fan to circulate air should help with cond..." | Read more » | almost 7 years ago | |||
marlokeno | " My first suggestion is to photograph on a cloudy day. Compensating for the sun is difficult. A polarizing filter helps, as does a uv filter, but ..." | Read more » | almost 7 years ago | |||
marlokeno | "Thanks for the comments & like(s) @eustatic, @sarasage, & @warren. @eustatic, the Wisconsin public guide to air quality permits is at: ht..." | Read more » | about 7 years ago | |||
marlokeno | "Thanks for this excellent report, Stevie " | Read more » | over 7 years ago | |||
marlokeno | "@mathew- As a follower of this discussion, asking couple questions- First, does electric charge of the particles play a role in dust collection? T..." | Read more » | over 7 years ago | |||
marlokeno | "I will be attending! " | Read more » | over 7 years ago | |||
marlokeno | " Our neighbor has the plant camera above, which he uses to take time lapse photos throughout the growing season. This camera is outdoors year-roun..." | Read more » | over 7 years ago | |||
marlokeno | "@mathew, @SimonPyle, @AmberWise, @Damarquis, @Pagyebo Wonderful work- I can't imagine counting particles while sizing them, etc. So cheers to the ..." | Read more » | over 7 years ago | |||
marlokeno | "Hi Jeff! Use, crop the picture, whatever works best for the publication. You can crop it if you want it right away, or if that is the simplest. I d..." | Read more » | almost 8 years ago | |||
marlokeno | "@cfastie, @warren, @eustatic, and @martenskram- Thanks for your help clarifying ideas & procedures. As it's winter and cold, indoor air is ofte..." | Read more » | almost 8 years ago | |||
marlokeno | "@liz, I have had the same experience with positioning & repositioning the cuvette. In addition, I also cut a bigger opening in the cuvette hold..." | Read more » | almost 8 years ago | |||
marlokeno | "Thanks to Chris for some lucid suggestions. I have some questions, and ideas for improvements after reading your post. Question: I don't understan..." | Read more » | almost 8 years ago | |||
marlokeno | "Thanks for sharing your expertise, @martenskram. I didn't know that bubblers were inefficient under 1-2 µm. Your information about flow & part..." | Read more » | almost 8 years ago | |||
marlokeno | "@eustatic -the graphic comes from a 1996 OSHA campaign, under then-sect'y of Labor, Robert Reich, who resigned in '97, he wrote, to spend more time..." | Read more » | almost 8 years ago | |||
marlokeno | "Elegant, wonderfully simple. I'm going to make one. Also, thought-provoking. " | Read more » | almost 8 years ago | |||
marlokeno | "@marlokeno- Great work, Matej- Do you have any thoughts on applying your research to collecting samples from frozen soil? How will frozen earth af..." | Read more » | almost 8 years ago | |||
marlokeno | "One possibility in order to get a clearer image is to try using the "threshold" filter in photoshop, or photoshop elements, GIMP, etc. It's helped ..." | Read more » | about 8 years ago | |||
marlokeno | "It is possible the wikipedia article on Reynolds numbers might help- https://en.wikipedia.org/wiki/Reynolds_number At any rate, the article does g..." | Read more » | about 8 years ago |