Community research

warren commented on Local Perspectives at Barnraising 2017 over 4 years ago

Hi, @a1ahna - great post, thank you! I'd mentioned some folks interested in archaeology from low-...

warren commented on Conversion of 4k sport camera for NDVI analysis with UAVs over 4 years ago

Does anyone have some more photos of this conversion process we could show here, more step-by-step?

zengirl2 commented on What's the best setup for a copper rod or copper plate test for DIY hydrogen sulfide detection? over 4 years ago

I was really excited to work on this at BarnRaising. As a group we constructed sensors by using t...

cfastie commented on Engineered Histograms over 4 years ago

The histograms were made with Fiji: http://imagej.net/Fiji/Downloads

warren commented on Need your feedback on Tag pages over 4 years ago

Also, this issue which will help us count all contributors on a topic will help generate a broade...

warren commented on Need your feedback on Tag pages over 4 years ago

Via @liz note here: Let's go back to basics on this issue :) What is the goal of visualizing ta...

stevie commented on How to best write a debrief of a session at Barnraising? over 4 years ago

Hi!! Check out the Barnraising 2017 page. :) Fill in sessions, notes and lightning talks that hap...

stevie commented on Best PLab demo ideas for a large group? over 4 years ago

Hi Patrick! I just did this one with a group of about 80. It's an hour, but I'm sure it could be ...

jose7732 commented on Optika Game 2 over 4 years ago

Beautiful picture

cfastie commented on an answer about How similar is the code for the KnowFlow and the RIFFLE data loggers? over 4 years ago

Teams? There are going to be teams? Will they have T-shirts? I'm still not sure overlapping code...

warren commented on Best PLab demo ideas for a large group? over 4 years ago

I've done spectrometer building with people -- that works pretty well, although it's good to prac...

warren commented on Calibration Issues with larger images over 4 years ago

Super helpful. Thanks and there is an issue filed for getting it to accept larger images: https:/...

warren commented on an answer about How similar is the code for the KnowFlow and the RIFFLE data loggers? over 4 years ago

I'd guess that there could be a lot of commonality in cases where you want to set up the same sen...

warren commented on How similar is the code for the KnowFlow and the RIFFLE data loggers? over 4 years ago

A good question for @rockets and @shanlter too!

gretchengehrke commented on using soap bubbles for pump calibration over 4 years ago

@eustatic, no worries -- Mathew got this pretty far (complete, perhaps?). The video is embedded i...

Megoptera commented on Homemade Raman spectrometer over 4 years ago

I couldn't help notice a lack of written material, esp a numeral-labeled diagram. Hoping this is ...

eustatic commented on My DIY Formaldehyde test kit over 4 years ago

dot

eustatic commented on Riffle conductivity caps and other housing ideas over 4 years ago

dot

eustatic commented on using soap bubbles for pump calibration over 4 years ago

I ended up with pump calibration kit...did i kill the momentum on this project? signs point to ye...

eustatic commented on Hydrogen sulfide badges by Morphix Technologies over 4 years ago

i'm tagging this and mathew's volume calibration video with "h2s"

eustatic commented on Mississippi Phosphates: Better air for Alice over 4 years ago

Here's a sample of Water from Bayou Chicot, I think, from 2016. I have to ask Howard. https://w...

eustatic commented on Mississippi Phosphates: Better air for Alice over 4 years ago

Halter Marine is also a facility, a ship / paint stripping yard in the south of that oct 11th pho...

eustatic commented on Mississippi Phosphates: Better air for Alice over 4 years ago

Oh, hello post. Sadly, Barbara is still at it. MS Phosphates pollutes the water, as well, which...

danbeavers commented on Depth Sensor Proposal - Experimental Results over 4 years ago

By the tube, I assume you mean the manometer. The most accurate way to accomplish this would be ...

stevie commented on Depth Sensor Proposal - Experimental Results over 4 years ago

great PDF write up. say someone was to mount the tube on the wall where the water changes. What m...

mrw0116 commented on an answer about Helium alternative over 4 years ago

Chris, thanks much for these details. This gives me a much better idea of costs and how much heli...

mrw0116 commented on an answer about Helium alternative over 4 years ago

Thanks, Warren. Good to know, but a little scary.

Johnix commented on Calibration Issues with larger images over 4 years ago

I tried again with the same image at 1080x1440, no success. I further reduced it to 540x720, and...

Johnix commented on Calibration Issues with larger images over 4 years ago

Hi Warren, thanks for replying. Yes, that's quite possible. The picture is 3456*4608 pixels, 1.25...

danbeavers commented on Depth Sensor Proposal over 4 years ago

Go here to see the results from experimentation.