Comments

Author Comment Last activity Moderation
warren "Nice! i used the same T-bracket to mount dual infrared/visible cameras. Good choice :-) " | Read more » over 11 years ago
warren "Have you attempted to do dual-camera red/IR photos? Or even just a regular visible-light photograph of the same worm to get the red channel? What ..." | Read more » over 11 years ago
warren "Time to begin scanning them with a spectrometer! Don't you think there ought to be more differentiation there? " | Read more » over 11 years ago
warren "Haha, lots of fun stuff is possible. Try JavaScript math functions: R:Math.pow(R,2) G:Math.pow(G,2) B:Math.pow(B,2) I'm making a docs page here: h..." | Read more » over 11 years ago
warren "Mathew and I are getting ready for the smartphone spectrometers to ship and are printing slits on photographic printing plates (mathew probably kno..." | Read more » over 11 years ago
warren "Looks like a great rig, very sturdy! Where are you planning to map? " | Read more » over 11 years ago
warren "Update! The 3d print returned and it looks great! " | Read more » over 11 years ago
warren "Wow, looks great and I'm eager to see the software as well! I'll be at the OHS... see you there! " | Read more » over 11 years ago
warren "I think if we do something with a few more lines, as you say, we can try it out. Say, 75-50-25-0-25-50-75, each band being about a 1/4" wide. If yo..." | Read more » over 11 years ago
warren "Aha! http://www.amazon.com/3M-3700-Color-Laser-Transparency/dp/B00004TS5M/ I'll order this now; maybe drying won't be a problem with a laser print..." | Read more » over 11 years ago
warren "I actually don't have an inkjet printer; would you be at all interested in printing a few sheets of this and mailing it to me? I could then cut it ..." | Read more » over 11 years ago
warren "Thinking about how to do this well... did you print on a laserprinter? Can you run transparency through one of those? Would inkjet work, or would i..." | Read more » over 11 years ago
warren "I actually think there's an advantage to stepped grading, because a) it's easier to pick out the pattern -- like a barcode -- vs. continuous chang..." | Read more » over 11 years ago
warren "Just a note to those of you who commented here -- work is ongoing now in Louisiana, led by Scott Eustis and folks from the NASA DEVELOP program, to..." | Read more » over 11 years ago
warren "This looks great! Now, the tough part -- detecting enough light to get a spectrum. If you let the sample settle for a few days, does it look more c..." | Read more » over 11 years ago
warren "Cool -- can you post a link? " | Read more » over 11 years ago
warren "Wow, fantastic. I also think that the new interface quickly exposes that my guess that this camera was producing some photosynthetically-based diff..." | Read more » over 11 years ago
warren "I especially like this photo: The tracing paper was my suggestion; you can read about it here " | Read more » over 11 years ago
warren "Wow, that is a gorgeous spectrum! Have you uploaded it to Spectral Workbench yet? I'd love to see a graph. " | Read more » over 11 years ago
warren "users would naturally just pick the middle I guess I'm suggesting that with a 50/0/50 attenuator, although users may pick the middle naturally (as..." | Read more » over 11 years ago
warren "I ended up trying some semi-opaque plastic but indeed the light has to be really strong as a result: http://publiclab.org/notes/warren/07-31-2013/m..." | Read more » over 11 years ago
warren "Also, i ended up ordering those crude oil samples online: http://publiclab.org/notes/warren/05-03-2013/crude-oil-samples-for-purchase-online I'm h..." | Read more » over 11 years ago
warren "Hi, sorry! It's a 532 green laser, like these: http://www.amazon.com/Shaped-Green-Laser-Point-LT-023/dp/B00D85BS4G/ http://www.amazon.com/Shaped-..." | Read more » over 11 years ago
warren "Hi Scott -- what kind of light are you using? When i've done this, i've let it settle in a clear container so I can see that all the muck has real..." | Read more » over 11 years ago