warren 781 research notes and 10116 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

133 questions asked

4128 comments posted

74 activities posted

13 activities attempted

View these maps at MapKnitter.org »

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Comment Last activity Moderation
"Im curious-- what wavelengths are you looking at to ID the bluing agent? Do you have a control sample for comparison? " | Read more » almost 7 years ago
"OK, the script/video is still evolving but coming together. Here's the text description which will be shown on Kickstarter.com (unfortunately strip..." | Read more » almost 7 years ago
"Mathew, do you have an intuition of which thickness is a good folding thickness, or should i just order a few and try it out? " | Read more » almost 7 years ago
"Oh, sweet, thanks for the styrene link. MozillaOS should work fine -- however the web based version is fully functional (i'm adding offline caching..." | Read more » almost 7 years ago
"Awesome. That was so fast. I take it by your handle that you're maybe interested in using this thing! BTW I approved your comments but if you regi..." | Read more » almost 7 years ago
"right, a true control test, where there is certain to be no H2S. At least light leaks would be easy to solve with a capsule redesign if it turns o..." | Read more » almost 7 years ago
"Doing the thingiverse thing now: http://www.thingiverse.com/thing:28083 cool... i wonder if people will actually refine it. The PVC one is really..." | Read more » almost 7 years ago
"Ditto that zeroes are data... good data, too! Is there a known place to test where there is high likelihood of H2S (or it's just known) so you can ..." | Read more » almost 7 years ago
"wow, awesome, i see the photos and all now. " | Read more » almost 7 years ago
"Was there supposed to be an attachment? " | Read more » almost 7 years ago
"did these hold pressure when inflated? I'm excited about the potential for heat-seaming mylar for 160cm M&M shaped balloons for helium. Like th..." | Read more » almost 7 years ago
"That is so rad. I'm psyched that there's an in-depth mapping project going at Newtown Creek! " | Read more » almost 7 years ago
"OK great feedback. I'm going to narrow the rewards to 3 which are announced in the video, and the 4th paper cutout one will still be offered but le..." | Read more » almost 7 years ago
"I like the idea of better emphasizing the "invite others to join/contribute" angle. When you look at what's novel, there are a few things: shared..." | Read more » almost 7 years ago
"do you think it'd hold enough tension on a balloon flight? Has anyone tried this? Very cool, i've been hearing about line clipping techniques for ..." | Read more » almost 7 years ago
"OK here's the preview (very rough cut) of the beginning of the video. I'm boosting the volume in the next draft so if it seems quiet, it'll be deal..." | Read more » almost 7 years ago
"So Chris F has been offering some good feedback and I am leaning towards doing a very cheap cardboard cutout spectrometer and a more expensive inje..." | Read more » almost 7 years ago
"test2 " | Read more » almost 7 years ago
"test " | Read more » almost 7 years ago
"Sara says there are some for rent? I'm pointing her at this thread so we can find out... " | Read more » almost 7 years ago
"Yes, the green laser is only a very narrow green color, so any other colors you see are emitted by the liquid itself, as it fluoresces. The green l..." | Read more » almost 7 years ago
"This is just a single RGB LED. " | Read more » almost 7 years ago
"Sorry, should've posted more details. Yes, duct tape, folded over the dowel with a narrow margin of mylar Thin bamboo dowels (like garden bamboo,..." | Read more » almost 7 years ago
"I can't believe you're doing such serious repairs! impressed. I've never been able to get the lens assembly off safely, though i guess it's been ov..." | Read more » almost 7 years ago


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