Community research

Ag8n commented on Vinyl chloride spill in eastern ohio 9 months ago

Ok. It's gone about the way you would expect. Formal sources say it is safe to live i n East Pa...

liz commented on Public Labbers meetup in Nairobi? 12 months ago

Report back: https://publiclab.org/notes/liz/12-19-2023/public-lab-open-source-meetup-in-nairobi

EdMallon commented on An Arduino Based UnderWater Sensor Platform about 1 year ago

The e360 course required different sensors for each lab, so we tweaked the 2-part logger with 3D ...

Ag8n commented on Image + Video Segmentation in Near-Infrared Using HSV Color Spaces with OpenCV in Python about 1 year ago

My apologies. I messed up. Your camera does some image processing similar to some of the specia...

Ag8n commented on Image + Video Segmentation in Near-Infrared Using HSV Color Spaces with OpenCV in Python about 1 year ago

This is a little strange. In most fields, color analysis is usually done with an instrument call...

ektopyrotic commented on Image + Video Segmentation in Near-Infrared Using HSV Color Spaces with OpenCV in Python about 1 year ago

Dual bandpass filters used on the modified DJI Mavic 2 Pro Full-Spectrum Hasselblad can be purcha...

ektopyrotic commented on Analysis of Dual-Bandpass NDVI Filters using Python about 1 year ago

Dual bandpass filters used on the modified DJI Mavic 2 Pro Full-Spectrum Hasselblad can be purcha...

ektopyrotic commented on Drone NDVI Mapping with QGIS and Python Analysis Code about 1 year ago

Dual bandpass filters used on the modified DJI Mavic 2 Pro Full-Spectrum Hasselblad can be purcha...

ektopyrotic commented on Fusing 3D Modelling with NDVI in Python + VisualSFM + Meshlab about 1 year ago

Dual bandpass filters used on the modified DJI Mavic 2 Pro Full-Spectrum Hasselblad can be purcha...

ektopyrotic commented on Drone Archaeology | Tomb Hunting Using NDVI, NIR Threshold with Bitwise NOT in Python about 1 year ago

Dual bandpass filters used on the modified DJI Mavic 2 Pro Full-Spectrum Hasselblad can be purcha...

ektopyrotic commented on NDVI Drone Mapping Research about 1 year ago

Dual bandpass filters used on the modified DJI Mavic 2 Pro Full-Spectrum Hasselblad can be purcha...

Ag8n commented on Food Security Monitoring and Early Warning Systems with NDVI over 1 year ago

Could you please give more details? Did some work with reflectance NIR spectrometry ( for polyme...

Ag8n commented on Participatory Irrigation development and Production: with reference to Indonesia condition over 1 year ago

Is this related to " lessons learned- participation in Indonesian irrigation projects" by Erwin H...

EdMallon commented on An Arduino Based UnderWater Sensor Platform over 1 year ago

The latest in our ongoing series of build videos supporting Dr. Beddows enviro-sci students who h...

Ag8n commented on Question: Validity of Aquaculture Water Quality Test Kits over 1 year ago

Do NOT use standard, off the shelf strips, for food/drug applications. There are special tracibi...

EdMallon commented on An Arduino Based UnderWater Sensor Platform over 1 year ago

A summary of the many waterproofing methods we've used over the years. Might be a few ideas there...

Ag8n commented on Soil Contamination in St. John the Baptist Parish almost 2 years ago

You have an excellent start on the project. But, from an analytical chemists point of view, can ...

JuliaGuerrein commented on Final Presentation almost 2 years ago

Hi, Stevie! We hope you are well! I just updated the post to include the link 😃

bhamster commented on Vinyl chloride spill in eastern ohio almost 2 years ago

Sharing some information on vinyl chloride from the Agency for Toxic Substances and Disease Regis...

Ag8n commented on Vinyl chloride spill in eastern ohio almost 2 years ago

According to cbsnews.com/news/east-palestine-ohio-train-derailment-toxic-chemicals-mike-dewine-na...

stevie commented on Final Presentation almost 2 years ago

Sorry I missed this! Can you share a link to the presentation? or embed it somewhere?

sammy_6_2003 commented on I am looking for a low cost lab to test for PFOA/PFOS. almost 2 years ago

UPDATE Prices have been adjusted since the original posting of the message in 2018. Please visit ...

Ag8n commented on Flare Spectrometer proposal in Shreveport and Meraux Louisiana almost 2 years ago

As with everything else, there are many possible interferences. Is this project still active?

Ag8n commented on Flare Spectrometer proposal in Shreveport and Meraux Louisiana almost 2 years ago

Doggone spell check. It should be" These are emission lines, so no lamp is needed. " not " These...

Ag8n commented on Flare Spectrometer proposal in Shreveport and Meraux Louisiana almost 2 years ago

Just caught this whole looking up some other stuff. The technique most commonly used is atomic e...

warren commented on Creating a "videocamera" for passive dust collection over time? almost 2 years ago

This looks v cool! Walkman style. I wonder how recoverable/measurable dust is from the tape when ...

natematias commented on Creating a "videocamera" for passive dust collection over time? almost 2 years ago

Here's an in-progress prototype.

patcon commented on Crisis Convening almost 2 years ago

Trying to substitute this link in for the old Civic Hall blog link: http://web.archive.org/web/20...

Ag8n commented on One Acre at a Time: Impact from rural development in Wittmann, Arizona almost 2 years ago

I'm looking forward to your protocols and testing! Good luck!

Abraxas commented on How to build affordable DIY Near Infra red Spectrometer for analyzing wavelength range 1000nm to 1800nm ? almost 2 years ago

Try the new UVEX from Shelyak and get that range and everything else to ultraviolet. The price ta...