Community research

zengirl2 commented on Introduction: I'm Rollin, A new Neighborhood oil & gas water monitoring fellow about 10 hours ago

Rollin, so nice to see your post. I love that your intention is to link food security with the we...

eustatic commented on Oil & Gas Water Monitoring Research Area Review: Interview/Survey Questions about 15 hours ago

ask Diane Wilson? she knows a thing or four. I want to know. https://biologicaldiversity.org/w...

liz commented on New Orleans Clogged Storm Drains about 16 hours ago

Hello! Love this issue brief. To the last of the four questions you pose, i believe one person su...

nshapiro commented on Ethylene Oxide Testing - Covington and Smyrna, GA 1 day ago

Hi Grace, Glad you are bringing attention to this issue! I was unaware of this until an attorney ...

JSummers commented on How to make CHEAP spectrometer for chemical material analysis, and how can I compare sample spectra with my own database?? Is it some special soft?? 2 days ago

Hi @super_smartaga, Your question will get better answers if you can answer some initial question...

Erdenetsogt commented on what are technical solution on crowd photo monitoring for environmental pollution? We want to set up photo monitoring for Air pollution, apps could adjust with previous photo or view angle. 2 days ago

Thank you so much for your valuable information, it's very helpful for us

liz commented on How to make CHEAP spectrometer for chemical material analysis, and how can I compare sample spectra with my own database?? Is it some special soft?? 3 days ago

Hello @super_smartaga , Thanks for writing! I'll suggest two starting points: 1. watch the video ...

JSummers commented on Harmonic Modes in a Red Laser Diode 4 days ago

Hi Wln213, Interesting project. First thing, when you do technical writing like this, please desc...

cfastie commented on Bad NDVI Results from Pi NOIR with Blue Filter 5 days ago

`>>So according to this we should be getting about 10% transmission of red light, does that...

nstarli new contributor commented on Bad NDVI Results from Pi NOIR with Blue Filter 6 days ago

Thanks for the detailed response Chris, this is super helpful! I really appreciate the feedback. ...

natevw commented on Build a sound-generating Coqui conductivity sensor (new version!) 6 days ago

Posting a comment so I can get a link to write a full report.

natevw commented on Assembling the Simple Air Sensor 6 days ago

Nice kit! Main constructive feedback I would offer is that the cable that came ahead of the "Mak...

warren commented on [Testing] New inline maps 7 days ago

Sounds like we need some more unique variable names, and maybe element id names?

warren commented on Github guide for Open Source Contributions 7 days ago

Awesome!!!

Reenesa commented on Github guide for Open Source Contributions 7 days ago

This is very helpful. I thought that my folk repository updates automatically with changes in the...

nipam_bhavsar new contributor commented on Getting problem with Pi-builder image 7 days ago

Dear Warren, Greetings !!! Thanks for your kind response. We are giving power supply through L...

warren commented on Getting problem with Pi-builder image 8 days ago

Hi! Often the issue is that the ribbon cable is not properly seated, either the big one between t...

liz commented on What do you do with charcoal from a water filter? 8 days ago

There are some glazes that are still not fit for use as drinking vessels or for holding food. We ...

liz commented on what are technical solution on crowd photo monitoring for environmental pollution? We want to set up photo monitoring for Air pollution, apps could adjust with previous photo or view angle. 8 days ago

USGS and Nerds for Nature use a method of mounting a metal "angle bracket" outside where people c...

warren commented on Oct 4: MicroBrews meet-up at AS220 Food, Providence 8 days ago

Kimchi w crystallized salt Dried Thai basil!

guolivar commented on What are ways to make dense CSV data more readable? 10 days ago

Normalising is your friend when you have things with very different ranges. Depending on what you...

permaculturegardener new contributor commented on What do you do with charcoal from a water filter? 10 days ago

It very much does reburning, It reaches tempatures that can not be reached by many form of fuel,...

warren commented on Oct 4: MicroBrews meet-up at AS220 Food, Providence 11 days ago

This went so well! Lots of people came by over the course of the night. I'll share photos gradual...

eustatic commented on What are ways to make dense CSV data more readable? 12 days ago

Pivot tables? Lookup or index command? Conditional formatting? all of these things can help. ...

warren commented on Pros/cons to cheap handheld water meters for pH, TDS, conductivity? 12 days ago

Thanks! I'd guess that's true of some of #dfrobot / #knowflow sensors too, since several of their...

liz commented on What do you do with charcoal from a water filter? 12 days ago

Does your kiln do "re-gasification"? Like, pulling in the smoke/fumes/vapor/gases that are releas...

wln215 commented on Pros/cons to cheap handheld water meters for pH, TDS, conductivity? 13 days ago

I've notices that if these pH meters are left sitting out, or if they get used frequently enough,...

Dragonhive commented on Blurred Location and variable location privacy 13 days ago

The coordinate grid is the way to go! Good idea!

nstarli new contributor commented on How to calibrate the white-balance for NDVI using the BLUE filter? 14 days ago

Where can I find the blue calibration card? I could not find it on the public lab store.

warren commented on Download & Analyze Purple Air data 14 days ago

That's awesome, we'd love to see it in a post on PublicLab.org if you're interested in sharing!