| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| kgradow1 | "My understanding -- based on very limited reading! -- is that remote sensing solutions are mostly geared toward oil sheens on water and won't be pa..." | Read more » | almost 4 years ago | |||
| kgradow1 | "@mimiss: I think the answer to the first question is probably yes! The bucket uses a Swagelok adapter, similar to the Summa canisters, and it l..." | Read more » | almost 4 years ago | |||
| kgradow1 | "Hi Stevie! I'd like to link this on the bucket project page, would you be willing to add the tag bucket-monitor? " | Read more » | almost 4 years ago | |||
| kgradow1 | "I don't know of anyone at Public Lab working on this at the moment, but as a former HAM I'd be super interested in following this project. What ki..." | Read more » | almost 4 years ago | |||
| kgradow1 | "@jywarren thank you jeff! " | Read more » | almost 4 years ago | |||
| kgradow1 | "This is wonderful, thank you for posting. Do you have any sense of what caused the PM 2.5 spikes in Velachery Res. Area and Alandur Bus Depot 2.5,..." | Read more » | almost 4 years ago | |||
| kgradow1 | "My question is really about current workflows for gas chromatography / mass spectrometry for environmental monitoring. Part of what we are trying ..." | Read more » | almost 4 years ago | |||
| kgradow1 | "Is GC-MS still typically done in a lab or are there versions that can be done in the field? " | Read more » | almost 4 years ago | |||
| kgradow1 | "@Ag8n gc/ms is the standard way that bucket samples have been analyzed in the past, but it's expensive compared to the cost of the bucket. I'm fam..." | Read more » | almost 4 years ago | |||
| kgradow1 | "@jjcreedon, thank you! Are you still using buckets today? I'd love to hear more about your experiences. I've been reading up on Tonawanda Coke ..." | Read more » | almost 4 years ago | |||
| kgradow1 | "Could you use a laser pointer and still go through the same workflow with @cfastie's reference image? I'm not sure if the peaks would line up, th..." | Read more » | almost 4 years ago | |||
| kgradow1 | "This looks awesome! Also well illuminated. Did you use a cover sheet for the sample or is this just freeform? It looks like there are tiny bubb..." | Read more » | almost 4 years ago | |||
| kgradow1 | "I've had success using giant graph paper to do simple models of movement over time. For instance, modeling wildfire mitigation: run as a timed ac..." | Read more » | almost 4 years ago | |||
| kgradow1 | "Looking at the difference between the higher leaves and the bottom left branches: Do you always see water stress in trees at the extremities first..." | Read more » | about 4 years ago | |||
| kgradow1 | "This is a great picture! " | Read more » | about 4 years ago | |||
| kgradow1 | "Airborne crystalline silica is a known occupational health hazard and is hazardous in high concentrations. See links below: https://www.silica-sa..." | Read more » | about 4 years ago | |||
| kgradow1 | "Paquicamus, there are a number of adapters that are available through Thingiverse to connect the Raspberry Pi camera to a stereo microscope, for in..." | Read more » | about 6 years ago | |||
| kgradow1 | "That's really helpful, thank you! I feel like I need to reread and synthesize this a bit, since I still have a very rudimentary idea of how micro..." | Read more » | about 6 years ago | |||
| kgradow1 | "I would love to try to replicate this in Somerville. Flooding is a big problem here. " | Read more » | about 6 years ago | |||
| kgradow1 | "For reference, here is a diagram of lung tissue that better explains what you're looking at: http://ib.bioninja.com.au/options/option-d-human-phys..." | Read more » | about 6 years ago | |||
| kgradow1 | "We've been working with these to take initial photos: https://www.amazon.com/AmScope-PS25W-Microscope-Biological-Education/dp/B009YLNJ4A/ref=sr_1_..." | Read more » | about 6 years ago | |||
| kgradow1 | "The cost of all of them actually vary a lot. We took a 40x apart at the barnraising and realized it only has two lenses inside of it, which seemed..." | Read more » | about 6 years ago | |||
| kgradow1 | "I'd love to work through a build at 4x or 10x, which should a much simpler in terms of onboarding and just learning how to use the scope. At those..." | Read more » | about 6 years ago | |||
| kgradow1 | "Do you mean which magnification? Either 40x or 100x are good. I think the 40x is slightly easier to start with, since it's easier to find your m..." | Read more » | about 6 years ago |