Comments

Author Comment Last activity Moderation
marlokeno "Thanks! " | Read more » over 3 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 » over 3 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 » almost 4 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 » about 4 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 » about 4 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 » over 4 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 » over 4 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 » over 4 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 » over 4 years ago
marlokeno "Thanks for this excellent report, Stevie " | Read more » almost 5 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 » about 5 years ago
marlokeno "I will be attending! " | Read more » about 5 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 » about 5 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 » about 5 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 » about 5 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 » over 5 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 » over 5 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 » over 5 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 » over 5 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 » over 5 years ago
marlokeno "Elegant, wonderfully simple. I'm going to make one. Also, thought-provoking. " | Read more » over 5 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 » over 5 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 » over 5 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 » over 5 years ago