Community research

EdMallon commented on An Arduino Based UnderWater Sensor Platform about 1 month 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 2 months 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 3 months 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 3 months ago

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

JuliaGuerrein commented on Final Presentation 4 months 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 4 months 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 4 months ago

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

stevie commented on Final Presentation 4 months 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. 4 months 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 4 months 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 4 months 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 4 months 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? 5 months 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? 5 months ago

Here's an in-progress prototype.

patcon commented on Crisis Convening 5 months ago

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

belkinsa commented on ¿Cómo evaluar la calidad de un río con insectos acuáticos (bioindicadores)? / How do I assess the quality of an river with aquatic insects (bioindicators)? 5 months ago

I'm planning to do this but over time, maybe a year to start with. It looks like this was done ju...

Ag8n commented on One Acre at a Time: Impact from rural development in Wittmann, Arizona 5 months 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 ? 5 months ago

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

Ag8n commented on Can DIY spectrometers be useful for pH determination and/or dissolved organic carbon of a water solution? 6 months ago

Now, to change the topic a little bit. What happens once all this testing gets going? In indust...

Ag8n commented on Can DIY spectrometers be useful for pH determination and/or dissolved organic carbon of a water solution? 6 months ago

There are variations on the method, but check out the USP if using for medical applications. The...

dgtlmoon commented on How do I do website change detection and notification? 6 months ago

@warren thanks :) added a bit of info about https://changedetection.io which is free and a lot mo...

dgtlmoon commented on How do I do website change detection and notification? 6 months ago

It's been 4 years since this post was made and a lot has changed, I would recommend using https:/...

Abraxas commented on DVD vs. Diffraction Grating on Amazon / eBay 6 months ago

I'd love to get a pack at that amazing price !! How about a link or anyone else with sources for ...

ew4cm commented on Data logger shield for Nano 7 months ago

Hi. I had the same problem with sd-card. My PCB board was wrong.

Ag8n commented on Op-Ed about the Talon-Rio Tinto Mine 7 months ago

In case this work is not successful and the mining continues, how can you minimize the damage don...

Ag8n commented on Can DIY spectrometers be useful for pH determination and/or dissolved organic carbon of a water solution? 7 months ago

"Pharmacopeia online" is at " uspbpep.com".

sanyaoluj1 commented on Outreachy Proposal: Improve MapKnitter Lite for Mapmaking with Aerial Photos as a Lightweight Web Service 7 months ago

I added a code snippet on how I intend to allow users to drag images onto page to add them.

okunlolastephen37 commented on Outreachy proposal: Improve MapKnitter Lite for Mapmaking with Aerial Photos as a Lightweight Web Service 7 months ago

Ok, @mathildaudufo I'll work on this and get back to you as soon as possible. Thank you.

dina_salem_nasr_46 commented on Programming Texas Instruments microcontrollers using the Tiva C LaunchPad. 7 months ago

Can you please post the full connection as I'm trying to do the same but it's not working for me

sanyaoluj1 commented on Outreachy Proposal: Improve MapKnitter Lite for Mapmaking with Aerial Photos as a Lightweight Web Service 7 months ago

Alright. I'll work on that now.