Comments

Author Comment Last activity Moderation
warren "I got them at American Science and Surplus: http://sciplus.com/p/WHITCAP-BOTTLE_48212 But now we're thinking of this bulk buy of cuvettes, that ma..." | Read more » almost 12 years ago
warren "Will check the glue dots. I asked for HDPE and all other options, this is all they sent in black... we can circle back but I think he probably grab..." | Read more » almost 12 years ago
warren "Man, Chris, you really have the obscure references down -- i haven't seen ST:TMP for over a decade... The reason I thought of just "smoothing" (mo..." | Read more » almost 12 years ago
warren "Again, super write-up. Some thoughts that might be helpful: for cfl calibrations without moving the device -- what about putting a small mirror o..." | Read more » almost 12 years ago
warren "Very cool to see the noise reduction graphed properly. Do you think the remaining "wobbliness" in the line is due in part to the spectrum itself (I..." | Read more » almost 12 years ago
warren "You know what we need? vertical averaging to smooth out noise. In live/waterfall mode, this'd be time averaging. For your spec, it'd just be averag..." | Read more » almost 12 years ago
warren "Yah, to be clear, that image at the bottom is from TetonAT.com, it's not mine. But if I do some ironing, I'll take my own photo! " | Read more » almost 12 years ago
warren "The "HDR" approach to expanding the dynamic range with a banded mask seems very promising -- we often get spectra like this, where the data is blow..." | Read more » almost 12 years ago
warren "Amazing!! " | Read more » almost 12 years ago
warren "Hmm, they must've moved the file. Here is the link to their page: http://www.cg.tuwien.ac.at/research/publications/2012/Habel_2012_PSP/ The PDF li..." | Read more » almost 12 years ago
warren "Hi, Owlonastick - i wonder if we could make use of one of those by contacting an optics lab or something. at $4000, it's too much for any one of us..." | Read more » almost 12 years ago
warren "wow, cool -- i guess all mercury, huh? i suppose there aren't that many things that glow as bright as mercury, and if it gives you R, G and B, tint..." | Read more » almost 12 years ago
warren "Wow, i did not regret that. " | Read more » almost 12 years ago
warren "If i watch the video, will I know why the post is named "Ebert"? " | Read more » almost 12 years ago
warren "I see similar models for <$200 on ebay: http://www.ebay.com/sch/items/?nkw=spectronic+20&sacat=&ex_kw=&mPrRngCbx=1&udlo=&ud..." | Read more » almost 12 years ago
warren "So glad you posted this -- i'm going to link heavily to it in the KS update I'm writing. By making the back plate a separate part, will we get to ..." | Read more » almost 12 years ago
warren "Oh, almost forgot my other question! Do the camera lens and aperture make any difference at all? You didn't use a camera for this... could you try ..." | Read more » almost 12 years ago
warren "Amazing. Two questions: does the distance between the camera and the grating affect focus? if we assume that for the design of a compact/useful s..." | Read more » almost 12 years ago
warren "Embedding in the above spectrum 3631: Lots of noise indeed, but i do see the spike. Did you manage to take a baseline too? I think we need tri..." | Read more » almost 12 years ago
warren "Very cool. Have you tried making a "set" of your spectra to display them together? So your test demonstrates that they're different, and it can li..." | Read more » almost 12 years ago
warren "Did you attend the BOSSLAB thing and show it? Sorry I didn't make it. " | Read more » almost 12 years ago
warren "Be sure to check out Scott E's questions here: http://publiclaboratory.org/notes/eustatic/2-3-2013/distance-spectrometry-refineries-questions " | Read more » almost 12 years ago
warren "Huh, here is a link for where to buy such bags: http://www.alertsecurityproducts.com/evidence-bag/index.shtml " | Read more » almost 12 years ago
warren "Hi, Ernest - what kind of sample is it? A water sample? Where did it come from? What do you suspect it contains and why? Our community's spectrom..." | Read more » almost 12 years ago