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New page by joyofsoy

remote

11 days ago

New page by warren

Inline maps examples

26 days ago

New page by ExtinctAnimals

Getting rid of Cats-Claw Vines

about 1 month ago

New page by CoastalConstructionCrew504

Name your project here

about 1 month ago

New page by warren

Alternative solar materials

about 1 month ago

New page by stevie

Choosing a method for Particulate Matter Monitoring

about 2 months ago

New page by joyofsoy

sentinel

about 2 months ago

New page by joyofsoy

vrf

about 2 months ago

New page by imvec

Agrotóxicos en Cosquín - Argentina

about 2 months ago

liz commented on Is there a way to make a cheaper "UV Hound"? 2 months ago

Sharing back a response from Bryan Parras with permission: I'd love to be a part of developing a...

Ag8n commented on What is the air flow requirement for air sampling tubes? Any inexpensive method? 2 months ago

Check with the individual sampling tubes for airflow requirements. Most manufacturers also sell ...

Ag8n commented on Air sampling tubes for formaldehyde: which brand is accurate? 2 months ago

In industry, we commonly used draeger tubes to measure for a number of contaminants. There are o...

warren commented on Build a plant-based air purifier 2 months ago

Hi, I believe I remember @nshapiro saying that it provided a substrate for bacteria to grow - lot...

cfastie commented on Adafruit Feathers for datalogging 2 months ago

I have not heard of anyone using a microcontroller (Arduino or ESP board) to read data from an SD...

stevie commented on Build a plant-based air purifier 2 months ago

@bostonfern and I were wondering what the purpose of the gravel is here. What function does it se...

stevie commented on Build a plant-based air purifier 2 months ago

@bostonfern and I were wondering what the purpose of the gravel is here. What function does it se...

Ag8n commented on What are the health impacts of the Aluf Plastics Plant from air pollution? 3 months ago

In the past, this company was using PVC ( polyvinylchloride). If this is still being used, the m...

sureta commented on Nuestros Suelos: a low-cost toolkit for the participative assessment of soil degradation 3 months ago

Hola Nano. Excelente. Nosotros felices de explorar formas de colaboración. Está muy bueno lo que ...

stevie commented on Emery Board as Bathymeter: ETP vs Beau Bayou 3 months ago

@stevie awards a barnstar to eustatic for their awesome contribution!

nanocastro commented on Nuestros Suelos: a low-cost toolkit for the participative assessment of soil degradation 3 months ago

hola @sureta estamos en Mendoza trabajando con gente de comunidad campesina tratando de desarroll...

sureta commented on Nuestros Suelos: a low-cost toolkit for the participative assessment of soil degradation 3 months ago

Hi, Thanks for your interest in Nuestros Suelos! We're in the process of producing materials abou...

eustatic commented on Terrain Surveying with Emery Boards 3 months ago

Update from Naomi. This was a rush build, and crews were still out re-burying the pipeline in la...

eustatic commented on Terrain Surveying with Emery Boards 3 months ago

Update from Naomi. This was a rush build, and crews were still out re-burying the pipeline in la...

mukeshpaik commented on Is there a way to make a cheaper "UV Hound"? 3 months ago

Very Helpful information,thanks

stevie commented on What are the health impacts of the Aluf Plastics Plant from air pollution? 3 months ago

This came in from Molly Jacobs, Environmental Health Initiative Project Manager at the Lowell Cen...

stevie commented on Are there simple tests for nitrates in well water? 3 months ago

Also, the drinking water standard for nitrates is 10 milligrams per liter (10 mg/l) nitrate-N, or...

stevie commented on Are there simple tests for nitrates in well water? 3 months ago

I just looked into these a little further. All of them use sulphuric acid which can be dangerous....

warren commented on Is there a way to make a cheaper "UV Hound"? 3 months ago

I wonder how the Hound is used if it needs a reflector to bounce the beam back. maybe you have to...

stevie commented on Terrain Surveying with Emery Boards 3 months ago

Update: the Emery Board has also been used to measure water depth around pipeline sites

warren commented on Is there a way to make a cheaper "UV Hound"? 3 months ago

Sure! I think the takeaway is that searching for a price for the OPSIS, or pricing for a differe...

joyofsoy commented on Lawn Fertilizer Runoff Causes Algae Bloom Locally and Contributes to Global Issues 3 months ago

Shared this on the Public Lab Twitter and received this response: Measuring conductivity might b...

liz commented on Manual de sondeo de subsuelo 3 months ago

WOW, this is super documentation!

liz commented on Do you have experience using a gas chromatograph? 3 months ago

Thank you @Ag8n!

liz commented on Is there a way to make a cheaper "UV Hound"? 3 months ago

Big thanks for unpacking all this @warren

warren commented on Is there a way to make a cheaper "UV Hound"? 3 months ago

Deep UV or DUV is pretty hard to detect. This article talks about it: https://www.vision-systems....

warren commented on Is there a way to make a cheaper "UV Hound"? 3 months ago

Hi, just found it interesting when i read about the UV Hound - it's actually not a mass spectrome...

Leksu commented on Testing a cheap webcam with Infragram - spoiler alert: nope 3 months ago

Thanks for the post and comments @warren ! Have you (or anyone else) had luck with other similar ...

amir_hudsonconsulting commented on Adafruit Feathers for datalogging 3 months ago

My goal is to log data to an SD card, and store the data locally on the SD card. Is it possible t...

warren commented on Microscope not focusing right 3 months ago

Hi! focusing can be tough, but if you're occasionally getting things into focus you're doing well...





A shared knowledge base for community science

New page by joyofsoy 11 days ago

remote

New page by warren 26 days ago

Inline maps examples

New page by ExtinctAnimals about 1 month ago

Getting rid of Cats-Claw Vines

New page by warren about 1 month ago

Alternative solar materials

New page by joyofsoy about 2 months ago

sentinel

New page by joyofsoy about 2 months ago

vrf

New page by imvec about 2 months ago

Agrotóxicos en Cosquín - Argentina

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