donblair 82 research notes and 731 wiki edits | Moderator



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"Chris -- I'm looking into generating the color table you're using -- it does indeed nicely distinguish above- and below-zero NDVI values -- and I'l..." | Read more » over 5 years ago
"Follow-up -- the downside with having a set colortable for NDVI, from -1 to 1, is that a lot of the images are going to look pretty boring. One id..." | Read more » over 5 years ago
"Update -- I've changed the infrapix code so that it always displays a color table that spans the full range of possible NDVI values (-1 to 1). Not..." | Read more » over 5 years ago
"Jeff -- great, promising set of experiments here! Re: the color settings on the Infrapix app -- sorry, now I see (from your note, and in conversat..." | Read more » over 5 years ago
"Hi Pat, Chris, Chris: it'd be good to grab any additional photos you have of the blimp -- we can post those in a research note soon, as well as de..." | Read more » over 5 years ago
"Update: I've linked to torrents of the image files (and instructions for downloading them) at the H20NUTZ wiki page, here: http://publiclab.org/wik..." | Read more » over 5 years ago
"Great stuff! I'm creating some torrents of the images I ended up with ... " | Read more » over 5 years ago
"This is AMAZING. Am I seeing changes in individual plant photosynthesis levels when it passes in and out of shadow, or am I projecting? Really go..." | Read more » almost 6 years ago
"GORGEOUS. Do you have a link to those AC adapters that fit in the battery compartment? Any idea what models of Canons they'd fit? Brilliant find...." | Read more » almost 6 years ago
"Oh, cool! Yeah, let me just do that! I will make sure to mutter "citizen science -- no time to explain" as I unroll the film in-store. " | Read more » about 6 years ago
"HAH! We can absolutely not confirm the statement in that sentence. That assessment (guess) was made late at night, after much whiskey. If you've..." | Read more » about 6 years ago
"Martin -- this is truly fantastic! Truly a huge leap for DIY Spectroscopy. How often do you think you'll be able to take spectra of the same batc..." | Read more » about 6 years ago
"Mathew -- You're like a combination Lucius Fox (Batman) / Q (Bond) / Merlin (Arthur)! But, in addition, you actually employ in the field the tool..." | Read more » over 6 years ago
"Gregor -- thanks for that link! I hadn't seen bootstrapsolar -- they're using almost precisely the same circuitry (though they went ahead and comb..." | Read more » over 6 years ago
"That's a good point, Jiansheng -- the panel is rated at 3.4 Watts, but Adafruit said they usually got around .5 Amps (~ 3 Watts, for the 6 Volt sol..." | Read more » over 6 years ago
"Mathew -- this is gorgeous. Could we put this on a PLOTS t-shirt, with the publiclaboratory.org URL underneath? I would wear it all the time. Und..." | Read more » over 6 years ago
"A friend just showed me this TED Talk -- "wireless data from every light bulb" -- the fellow makes some nice arguments for using visible light to s..." | Read more » over 6 years ago
"Mathew, Thanks for the optical semaphore link! This really sent me down a wonderful rabbit hole of fun ideas. I had no idea that Hooke gave a se..." | Read more » over 6 years ago
"This is incredible. Quick thoughts: -- Can't get more "open hardware" than a cardboard box. Truly awesome. -- This suggests to me using an R-Pi ..." | Read more » over 6 years ago
"Jeff -- -- Hellschreiber.js: Holy (sic) guacamole! A few years ago, a physicist presented a Darpa-funded project at UMass. Darpa's request was..." | Read more » over 6 years ago
"Jeff -- WHERE did you find that link?! I think you just solved the problem! Cov -- I totally agree, and actually it took me a while to convince B..." | Read more » over 6 years ago
"Hey Mathew -- Nice links! You're totally right about video analysis being processor-intensive; Jeff's suggestion to consider audio first made a lo..." | Read more » over 6 years ago
"Hi Chris -- yep, the webcam is underneath (can't see it in the static pic I posted) -- it's all sort of a Pi + battery pack + webcam sandwich -- th..." | Read more » over 6 years ago

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