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Author Comment Last activity Moderation
dusjagr "btw... we have continued a lot... see what urs made: http://hackteria.org/wiki/DIY_NanoDrop m " | Read more » over 9 years ago
warren "Another thought. To avoid needing batteries for the LEDs, I wonder if we could power them off the headphone jack of a phone... Like this laser acce..." | Read more » over 9 years ago
warren "Well I like the angle in part because it seems convenient for viewing on a table or countertop... Almost like a lectern. And we can adhere a phone ..." | Read more » over 9 years ago
amysoyka "I was thinking about this very issue today. It just doesn't make sense to hold the phone at an angle though - how can we rearrange this idea so tha..." | Read more » over 9 years ago
danbeavers "I may be really off base here so play nice if I am. What sort of literature search has occurred regarding peak detection? I did a search and imme..." | Read more » over 9 years ago
mathew "beautiful! " | Read more » over 9 years ago
warren "The existing peak detection code, and notes on its shortcomings, is here: https://github.com/jywarren/spectral-workbench/blob/master/webserver/publ..." | Read more » over 9 years ago
JSummers "Very nice. I suspect that the limitation on accessible wavelengths is due to UV due to absorbance by the plastic optics and will not be improved by..." | Read more » over 9 years ago
mathew "Nathan McCorkle linked to a teardown of a commercial nanodrop: https://www.takeitapart.com/guide/66 an alternate to the droplet appears to be an a..." | Read more » over 9 years ago
mathew "this is super rad! I was bummed when I saw that the nanodrop was patented, so I looked at the patents. There are two earlier devices though: http:..." | Read more » over 9 years ago
eustatic "http://publiclab.org/notes/eustatic/01-07-2014/kite-fisheye-photos-of-bayou-st-john-restoration here is my example of live targeting the kite with..." | Read more » almost 10 years ago
eustatic "willie, that is really cool. i would do the same thing for new orleans--what about a stormwater tag? http://publiclab.org/tag/stormwater http://p..." | Read more » almost 10 years ago
liz "This is fantastic Willie! How long is the flooding season in Jakarta? " | Read more » almost 10 years ago
warren "Hmm, I'm worried that the ~840nm spike is just a camera artifact -- see how it's also represented in this spectrum of a halogen light through coca-..." | Read more » almost 10 years ago
warren "Another thing to note is that the purple line is way out in the infrared (far enough that we know this despite the miscalibration) and NIST data we..." | Read more » about 10 years ago
Dplus "No I didn't make a "set" but I used the compare button of spectralworkbench I don't really care why the fake one is different , but I do know that..." | Read more » almost 11 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 11 years ago
liz "This is beautifully illustrated! " | Read more » almost 12 years ago
gonzoearth "Great post. Thank you for writing about the thought process of determining how to access this area safely and strategically. This narrative of care..." | Read more » almost 12 years ago
mathew "Awesome! I really like the modifications you made to the soda bottle rig to fit a bigger camera. I've been using 3 liter bottles for iphones/ my c..." | Read more » about 12 years ago