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Author Comment Last activity Moderation
cfastie "Ned, So like this. We need to make a different file of reflectances for each filter because the filters we were using were very narrow band filt..." | Read more » over 7 years ago
nedhorning "Chris - I'll email you the master list with all of the reflectance values for each target since they aren't really useful without the images. You n..." | Read more » over 7 years ago
cfastie "Cool. Ned, do you have a reflectance csv file for all of the calibration targets in the test photos from iFarm (the lead image)? And a key for whic..." | Read more » over 7 years ago
mathew "nice bacronym! " | Read more » about 8 years ago
liz "I think this is the link to Gena's photoset from June 1 : https://www.flickr.com/photos/gwirth/sets/72157644653022417/cal " | Read more » over 8 years ago
ronhuber "I think those cheap riffle crickets would be great! Can we set a time and date to meet and test deploy one or more? One assumes the 'seeps' w..." | Read more » over 8 years ago
warren "@donblair - is there a way we could use multiple riffle "crickets" to look at where point sources of heavy metal pollution are? Or some other way w..." | Read more » over 8 years ago
warren "Cool yes I forgot about that dusjagr! Sketch of audio powered LED: " | Read more » over 8 years ago
eustatic "nice map, dig the bubbles " | Read more » over 8 years ago
dusjagr "btw... we have continued a lot... see what urs made: http://hackteria.org/wiki/DIY_NanoDrop m " | Read more » over 8 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 8 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 8 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 8 years ago
mathew "beautiful! " | Read more » over 8 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 9 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 9 years ago
liz "This is fantastic Willie! How long is the flooding season in Jakarta? " | Read more » almost 9 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 9 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 9 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 10 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 10 years ago
liz "This is beautifully illustrated! " | Read more » almost 11 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 11 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 11 years ago