| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| mathew | "I will test an empty gelcap for fluorescence now. I searched google maps for a "compounding pharmacy" in my neighborhood and found one close by. T..." | Read more » | over 10 years ago | |||
| mathew | "@JSummers was commenting that the light path on my gel caps was never going to be consistent enough to compare to the laser peak. this seems to be..." | Read more » | over 10 years ago | |||
| mathew | "the fluorecence looks the same even when the laser heads into the sample at a slightly different angle-- is the light path critical? I figured it o..." | Read more » | over 10 years ago | |||
| mathew | "Not only excellent research- that last photo has some high-modernist artistic merit! " | Read more » | over 10 years ago | |||
| mathew | "This is most excellent. I especially like how accessible audio analysis is. Pure Data is a great FOSS system for doing audio analysis, has built-..." | Read more » | over 10 years ago | |||
| mathew | "OK- complication-- gelatin will fluoresce when hit with UV: http://www.sciencedirect.com/science/article/pii/S0315546387710980 " | Read more » | over 10 years ago | |||
| mathew | "yes-- I used even smaller ones, the #4 caps. they have a nice "snap" closed that seals them when pushed together. gelatin passes UV, I believe. ..." | Read more » | over 10 years ago | |||
| mathew | "that is heartening to see, that is a nice response curve for the oil " | Read more » | over 10 years ago | |||
| mathew | "Hmmm... yeah. The SYBA was a good camera. it has 2x the silicon. I've been searching for 1/3" CCD security cameras-- that would put us back to th..." | Read more » | over 10 years ago | |||
| mathew | "Thanks for the update! I'm excited to see that you're expanding into more lab colorimetry. " | Read more » | over 10 years ago | |||
| mathew | "I converted to STLs from Sketchup MAKE using this tutorial and plugin: http://airwolf3d.com/wiki/how-to-convert-and-export-google-sketchup-skp-file..." | Read more » | over 10 years ago | |||
| mathew | "3D printable clips for each of the parts with block mounts built-in based on jspauld's money clip on thingiverse clipstls.zip " | Read more » | over 10 years ago | |||
| mathew | "seems like auto stores sell oil absorbers. Autozone sells "new pig" brand, and they make an oil-only rag: http://www.autozone.com/autozone/accesso..." | Read more » | over 10 years ago | |||
| mathew | "I reported a lensing effect from the curved top of the gel caps, and wanted to answer the question of whether the fluorescence could be improved if..." | Read more » | over 10 years ago | |||
| mathew | "Yes! I can't wait to see more. " | Read more » | over 10 years ago | |||
| mathew | "That is a great idea and works well some places, but it won't work in most of Western N. America-- not enough cell towers. I'm launching East of th..." | Read more » | over 10 years ago | |||
| mathew | "what are Biro's? " | Read more » | over 10 years ago | |||
| mathew | "I can't stop being flabbergasted at the intricacy of your creation. Currently, CSV data can be imported into spectral workbench, so there should b..." | Read more » | over 10 years ago | |||
| mathew | "thanks for sharing, Nick! I didn't want to give away your secret. We're looking at several situations (like particles, H2S) where controlled airfl..." | Read more » | over 10 years ago | |||
| mathew | "That's pretty neat. How airflow will be controlled, as I would expect a moving vehicle to increase particulate measurements as a matter of the airf..." | Read more » | over 10 years ago | |||
| mathew | "Is there any way we can put this data into Spectral workbench? " | Read more » | over 10 years ago | |||
| mathew | "I know I should put these in as Github issues, but here are my notes on first use, before I head out to lunch: I logged in before creating a map b..." | Read more » | over 10 years ago | |||
| mathew | "A new clip arrived in the mail-- it has two clip points and holds better. This is my favorite " | Read more » | over 10 years ago | |||
| 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 |