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Microplastic Collection in City Park waterways

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Fellowship Teams

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kgradow1 commented on Quick Build: Basic Microscope Kit with Raspberry Pi over 3 years ago

We tried it with a bunch of different light sources, including a diffuse multi-LED source (book ...

warren commented on Quick Build: Basic Microscope Kit with Raspberry Pi over 3 years ago

Oh, is it important that the light be a point, and not multiple point, or a diffuse source?

kgradow1 commented on Quick Build: Basic Microscope Kit with Raspberry Pi over 3 years ago

Having the point source seems pretty important -- however, it seems possible to do a micro LED co...

warren commented on Collaboratively write the new Pocket Guide to Grassroots Mapping over 3 years ago

booklet-publiclab-1.pdf

warren commented on Spectral Workbench API over 3 years ago

True! We've moved that code to its own library at https://github.com/publiclab/spectral-workbench...

warren commented on an answer about Does anyone know what image processing spectral workbench does to find intensity at wavelength/ where to find the coding for that? over 3 years ago

OK, so you can open a JS console in https://spectralworkbench.org/capture and type $W to access t...

warren commented on an answer about How do I stabilize smaller balloons and prevent them from being blown down in the wind? over 3 years ago

Agreed! it's so cool to see spinning.

zengirl2 commented on an answer about Can you use rubbing alcohol or nail polish remover for prepping copper for Hydrogen Sulfide test? over 3 years ago

@gretchengehrke will know about the nail polish remover. Unfortunately my nail polish remover is ...

zengirl2 commented on an answer about How do I stabilize smaller balloons and prevent them from being blown down in the wind? over 3 years ago

This looks awesome @Tufts_Jumbo!

warren commented on Collaboratively write the new Pocket Guide to Grassroots Mapping over 3 years ago

Final cover with CC-BY-SA, in negative and positive: balloon-mapping-booklet-cover-negative.pdf...

warren commented on Collaboratively write the new Pocket Guide to Grassroots Mapping over 3 years ago

balloon-mapping-booklet-title-page.pdf

warren commented on What is the hydrogen sulfide concentration range that can be monitored using a copper tarnish method? over 3 years ago

What's a good way to determine this? Would it work to set up a test somewhere there is H2S, along...

warren commented on Having Fun Testing Attachments over 3 years ago

I filed an issue for what I believe is a related factor in the rich text editor library we use: h...

warren commented on Can you use rubbing alcohol or nail polish remover for prepping copper for Hydrogen Sulfide test? over 3 years ago

Is nail polish remover just acetone, and is it pure enough for this? (Except for non-acetone nai...

warren commented on How to build an efficient workflow for small-scale kit manufacturing? over 3 years ago

We're hoping to get into this via our newly announced Community Kits program!!! https://publiclab...

liz commented on What is the best way to formalize connecting needs with offers? over 3 years ago

i wanted to add some relevant terminology from the amazing g0v community as we work on conceptual...

31gane commented on DIY Spectrometer at Women in Photonics Week over 3 years ago

@31gane awards a barnstar to isabellagonzalez for their awesome contribution!

warren commented on DIY methods for nitrate detection in food? over 3 years ago

We're starting to compile a lot of different sensors and testing methods here -- could be of help...

warren commented on Quantitative analysis using paper-based kits over 3 years ago

We're starting to compile a lot of different sensors and testing methods here -- could be of help...

kayaerbil commented on Oil Chemistry of Keystone Leak over 3 years ago

https://geosciencealliance.wordpress.com/ I am going to reach out to the geoscience alliance abo...

kayaerbil commented on Oil Chemistry of Keystone Leak over 3 years ago

I am in touch with someone who lives in Standing Rock who used to work for the EPA and left becau...

warren commented on Collaboratively write the new Pocket Guide to Grassroots Mapping over 3 years ago

balloon-mapping-booklet-cover.pdf

plnedestroyer commented on Engineered Histograms over 3 years ago

where can I find how to do so, I looked through the tutorials and did not find anything on making...

Reallygeek commented on an answer about Does anyone know what image processing spectral workbench does to find intensity at wavelength/ where to find the coding for that? over 3 years ago

I haven't considered getting a Raspberry Pi yet, since I've never used one before/ don't own one ...

Reallygeek commented on Spectral Workbench API over 3 years ago

The links on the "View commented code for more detail." lead nowhere.

Reallygeek commented on What is the best low-cost or DIY microscope to use with a group? over 3 years ago

https://www.foldscope.com/

warren commented on an answer about Does anyone know what image processing spectral workbench does to find intensity at wavelength/ where to find the coding for that? over 3 years ago

Oh, cool! Please check out https://publiclab.org/wiki/raspberry-pi-spectrometer and have you cons...

Reallygeek commented on an answer about Does anyone know what image processing spectral workbench does to find intensity at wavelength/ where to find the coding for that? over 3 years ago

I'm not sure, I'm trying to make a robotic bioreactor that uses spectrometry to monitor the chemi...

warren commented on How do DIY microscopes compare (cost, ease of use, resolution) to commercial options? over 3 years ago

Here are so a few options from the catalog at http://enasco.com/science:

Refractometer: hands on

by warren almost 9 years ago

Spectrometry discussion across the web

by warren almost 9 years ago

DIY Spectrometer Kickstarter launched!

by warren almost 9 years ago

Cris Benton on TWiT

by cfastie almost 9 years ago

Jerusalem

by hagitkeysar almost 9 years ago

Global helium shortage

by cfastie almost 9 years ago

interior aerial photos

by gonzoearth almost 9 years ago

RGB mode in SpectralWorkbench

by warren almost 9 years ago

New MapKnitter bugfixes

by warren almost 9 years ago

Diamond kite bridles

by lfamular almost 9 years ago

Mobile thermographer prototype

by warren almost 9 years ago

Calibration

by mediamatic almost 9 years ago





A shared knowledge base for community science

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sandbox-advocacy

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Advocacy with Maps

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Advocacy with Maps

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Advocacy with Maps

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Research Curation Fellows

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WSJHSOIL

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