| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| liz | "News from the North Brooklyn Boat Club: Yesterday NYCDEP reported a break in the case. In their words: "We received an anonymous spill report of ..." | Read more » | over 9 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 9 years ago | |||
| Paquicamus | "That is great. It's just like a double beam spectrophotometer. Any chance to post some results. For example a 10mg sodium nitrate aqueous solution,..." | Read more » | about 10 years ago | |||
| mathew | "Nice! I'm going to go print one tomorrow. " | Read more » | about 10 years ago | |||
| warren | "Wow, amazing progress! I love the photoshoot. Can you upload the sketchup files etc. in the research note as well? " | Read more » | about 10 years ago | |||
| mathew | "wait, shorter answer-- The bandwidth is the same, but the beam will be wider. " | Read more » | about 10 years ago | |||
| mathew | "The laser is a diode + a lens. Unfocused it still goes in a pretty straight line for short distances at least. There are all-in-one surface mount ..." | Read more » | about 10 years ago | |||
| warren | "Huh. do laser diodes have as narrow a bandwidth as a laser? " | Read more » | about 10 years ago | |||
| mathew | "I've been trying to find stand-alone diodes, and it seems that there are several chinese manufacturers of 405nm laser diodes on Alibaba that are qu..." | Read more » | about 10 years ago | |||
| cfastie | "I have a smartphone spectrometer, so maybe bring a cuvette to SNOWFEST and that should be all I need. " | Read more » | about 10 years ago | |||
| warren | "I wanted to work off of the actual models (or prototype models) Mathew and others made, but didn't have time to do a scaled model. Also, figuring o..." | Read more » | about 10 years ago | |||
| eustatic | "cool " | Read more » | about 10 years ago | |||
| cfastie | "Jeff, If you include the dimensions of the part of the spectrometer that inserts into the window, and the dimensions of the cuvettes, the next mock..." | Read more » | about 10 years ago |