warren 783 research notes and 10154 wiki edits | Joined over 6 years ago | Admin

The creator of GrassrootsMapping.org and co-founder and Research Director for Public Lab, Jeffrey Warren designs mapping and community science tools and professionally flies balloons and kites. He leads the coding community at Public Lab, and has developed the vector-mapping framework Cartagen and grassroots mapping tool MapKnitter, as well as open spectral database and toolkit Spectral Workbench.

He is on the board of of the Open Source Hardware Association and served from 2015-17 as Vice President, is on the board (since 2014) of alternative education program Parts and Crafts in Somerville MA, and an advocate of open source software, hardware, and data. He co-founded Vestal Design, a graphic/interaction design firm in 2004, and directed the Cut&Paste Labs project, a year-long series of workshops on open source tools and web design in 2006-7 with Lima designer Diego Rotalde.

Jeff holds an MS from MIT and a BA in Architecture from Yale University, and spent much of that time working with artist/technologist Natalie Jeremijenko, building robotic dogs and stuff. To find out more, visit Unterbahn.com.

Photo by ChristopherVillafuerte.com CC BY-NC-SA 4.0


134 questions asked

4158 comments posted

74 activities posted

13 activities attempted





Ongoing design of compact cuvette frame

by warren over 3 years ago | 9 | 202 views | 1




A year of Rackspace

by warren over 3 years ago | 0 | 31 views | 3


Bolt and acrylic cuvette holder research

by warren over 3 years ago | 2 | 69 views | 0


Issues 1-3 of The Barnraiser

by warren over 3 years ago | 3 | 88 views | 3


Barnraising Lightning Talks

by warren over 3 years ago | 0 | 29 views | 0



An "open open hardware" development cycle

by warren over 3 years ago | 4 | 180 views | 2


Slit holder for Desktop Spectrometer

by warren over 3 years ago | 4 | 105 views | 1





LEAFFEST 2015 day one in photos

by warren almost 4 years ago | 2 | 23 views | 4






Oil Testing Kit Schedule and Kickoff

by warren almost 4 years ago | 1 | 27 views | 1


Web Working Group Monthly Recap 6: August 2015

by warren almost 4 years ago | 0 | 52 views | 1




Prototyping simple paper connections

by warren almost 4 years ago | 0 | 55 views | 1


Wavelength range limiting in Spectral Workbench

by warren almost 4 years ago | 1 | 35 views | 0


What is "immersion oil" for microscopes?

warren asked about over 1 year ago

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Project management?

liz asked about over 1 year ago

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"Rounding up" research areas?

liz asked about over 1 year ago

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Substitution for conductivity meter

Ag8n asked about over 1 year ago

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How can I identify bits of plastic from the beach in an image?

jlev asked about over 1 year ago

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Is there a way to view EPA's Toxics Release Inventory on a map, or by location?

warren asked about over 1 year ago

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Can these filter packages be adapted to Raspberry Pi cameras?

sjmanosalvas asked about over 1 year ago

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How can I make a tag graph visualization?

bsugar asked about over 1 year ago

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How to interpret the results?

amir129 asked about over 1 year ago

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Preferred slit size?

asnow asked about over 1 year ago

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How do we do user interface design work in a community process?

warren asked about over 1 year ago

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What is the best light source to use for the basic microscope?

stevie asked about over 1 year ago

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Do I need to use a DVD-R? Will a CD-R work too?

jordankc asked about over 1 year ago

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What are materials we could include in a Kite Making Materials Pack?

warren asked about over 1 year ago

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Formaldehyde levels

Ag8n asked about over 1 year ago

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What are different methods of measuring water turbidity?

warren asked about over 1 year ago

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How is water turbidity regulated?

warren asked about over 1 year ago

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View these maps at MapKnitter.org »

Title Creation date Image

Comments

Comment Last activity Moderation
"Although, "tell these apart" may also be a relative term. When you see the light or dark regions, you dont see the pits themselves but rather diffe..." | Read more » 3 months ago
"And to answer a question above, I /think/ this would put all "long" pits in the 1 regions, and all "short" pits in the 0 regions. So, you'd have to..." | Read more » 3 months ago
"Oh, actually this technique doesn't use a laser cutter - it forms an image by copying data onto the DVD at differing densities, so that the actual ..." | Read more » 3 months ago
" Hi Vibhor! Sorry we've been slow getting responses in to this. Thanks for the proposal! One thing that I wanted to ask a bit more about was how th..." | Read more » 3 months ago
"Hi! I created that image (with input from many others at https://publiclab.org/contributors/ndvi and https://publiclab.org/contributors/infragram) ..." | Read more » 3 months ago
" This is awesome! Would you mind uploading a scan of it disassembled? Then we can make a PDF people can print out! Does it fit on top of the exist..." | Read more » 3 months ago
" Here's a good overview from EPA Region 1, New England: https://www3.epa.gov/region1/airquality/pm-aq-standards.html Although it's a bit jargony. " | Read more » 3 months ago
"Oops responded to the wrong comment, moving here: Hi all! Great input here. Just noting that we've had a major revision to the PL spectrometer des..." | Read more » 3 months ago
"Thanks for this! I guess you're also implying that the mass distribution also doesn't follow any simple or predictable trends? Like, is there no ge..." | Read more » 3 months ago
"Hi! I think the question of rolling shutter might deserve it's own question posted, to really dig into - it's a great question! One thought I had w..." | Read more » 3 months ago
"that'd be awesome. The image workflow we've built is javascript based, but it's also possible to use Pi Builder to produce reproducible python tool..." | Read more » 3 months ago
" Hi! This is awesome. Have you seen our Infragram Pi software, somewhat documented at: https://publiclab.org/infragram-pi https://publiclab.org/p..." | Read more » 3 months ago
"Ah, i see - interesting. I think we could explore different ways to sort by time, but "uploaded in this range" seemed the most relevant to me. Time..." | Read more » 3 months ago
"Yes, i think we can include OpenCV.js in a module to start with -- with a CommonJS require(), most likely, to prove this out a bit (also being awar..." | Read more » 3 months ago
"it's too bad, browsers have changed how they deal with this... we've built a Summer of Code proposal around using a more up-to-date webcam interfac..." | Read more » 3 months ago
" Hi @rexagod - this looks really good and I'd love to see it incorporated. Thanks! But be aware, i don't think Google reads the proposals, and we t..." | Read more » 3 months ago
" This is really cool! We'd love to see build photos as you go. We're also really interested in lighting setups and would love to see more documenta..." | Read more » 3 months ago
"Yeah, it works fine, it's a bit louder which is nice.  On Sun, Apr 7, 2019, 4:21 PM \<notifications@publiclab.org> wrote: Hi! You were ment..." | Read more » 4 months ago
"Hmm, it looks perfect compared to the one at #coqui. Is the little dot/depression on the black chip in the upper left position? Is it possible it's..." | Read more » 4 months ago
"This is all really nice, thank you @icode365 !!! I think you've covered a lot of great points here. I'll chime in with some ideas: Adding Leaderb..." | Read more » 4 months ago
" Hi! We'd love to hear a bit more about your proposal! Take a look at some others' proposals for an idea of how to build this out a bit! Thank you! " | Read more » 4 months ago
"Hi, all! I wanted to note that one thing we are really looking for is more consistent test coverage -- as our system becomes more complex, tests a..." | Read more » 4 months ago
"Re: real-world use cases, for example this one! https://github.com/publiclab/image-sequencer/issues/979 could be used for all kinds of colorimetric..." | Read more » 4 months ago
" This is great, thanks so much for your proposal, @lit2017001! We've really appreciated your contributions over the past months. I will begin by w..." | Read more » 4 months ago































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