| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| mathew | " Usually gravimetric tests are done on particles after they have been captured in the field. Given environmental vibrations, it sounds tough to pi..." | Read more » | over 10 years ago | |||
| mathew | "Thank you so much for the clarification David! I'll work that into our summaries. its been hard to get a handle on exactly what is meant by that s..." | Read more » | over 10 years ago | |||
| mathew | "I'll connect with Hank on his Dylos-- we'll see what he's doing. there are a million ways to do this that have already been done-- so yeah, we sh..." | Read more » | over 10 years ago | |||
| mathew | "yeah, l their comments are moderated. mine is still in the queue. " | Read more » | over 10 years ago | |||
| mathew | "I just posted a comment to that article. thanks for pointing it out: @donblair-- the author doesn't seem to understand the terminology in use. Th..." | Read more » | over 10 years ago | |||
| mathew | "@donblair-- the author doesn't seem to understand the terminology in use. The conclusions are based on a misunderstanding of what PM2.5 actually m..." | Read more » | over 10 years ago | |||
| mathew | "Oh Ethernet! Cool that probably isn't too hard to talk to but a computer of some sort will be needed. Serial is great! We can probably get it to t..." | Read more » | over 10 years ago | |||
| mathew | "How does data come off? USB? Serial? There's got to be something " | Read more » | over 10 years ago | |||
| mathew | "yes, they are also optical, like the Dustduino and Speck, but they use lasers instead of focused LEDs. " | Read more » | over 10 years ago | |||
| mathew | "Also, I noticed your two Dusttrack monitors you're using had different air intakes (pic below). is the cyclone really important? would it improve ..." | Read more » | over 10 years ago | |||
| mathew | "Cool! Does the dusttrack or dylos have a sensor-out port? I'm thinking we could hook it up to another data logger and collect humidity data on t..." | Read more » | over 10 years ago | |||
| mathew | "The Speck team indicates that airflow is a big issue. they're controlling with a fan. If I move the Speck around just a little bit the values cha..." | Read more » | over 10 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 » | over 10 years ago | |||
| mathew | "right-- and with an SLR the image capture would be much faster than waiting for a scanner. " | Read more » | over 10 years ago | |||
| mathew | "I got some big (4"x8") sheets from american science and surplus. I was going to see what happens when I put some silica dust down on a flatbed wit..." | Read more » | over 10 years ago | |||
| mathew | "Thanks for finding this, Willie! really cool. " | Read more » | almost 11 years ago |