warren 758 research notes and 9888 wiki edits | 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


122 questions asked

292 answers posted

68 activities posted

11 activities attempted


Joined about 6 years ago





Web Working Group Update 20: August 2017

by warren over 1 year ago | 1 | 208 | 1







Web Working Group Update 19: June 2017

by warren over 1 year ago | 4 | 141 | 1




Squid Week at Public Lab!

by warren over 1 year ago | 1 | 178 | 1


Balloon and Kite Mapping Stories, Part 1

by warren almost 2 years ago | 0 | 286 | 1


Web Working Group Update 18: May 2017

by warren almost 2 years ago | 2 | 193 | 0



Use Google Drive to share large photo collections

by warren almost 2 years ago | 0 | 327 | 1



Web Working Group Update 17: April 2017

by warren almost 2 years ago | 0 | 217 | 1




Stitching Images into Maps with MapKnitter

by warren almost 2 years ago | 0 | 384 | 2


Web Working Group Update 16: March

by warren almost 2 years ago | 0 | 264 | 1











How good is the PurpleAir sensor and what does it detect?

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warren asked about about 1 year ago

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answered on Jan 04, 2018 4

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answered on Jan 09, 2018 2

answered on Jan 11, 2018 0

answered on Oct 17, 2018 1

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normal or noIR camera?

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iamben asked about about 1 year ago

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Paper for printing

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G33K4P00RV4 asked about about 1 year ago

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CSV files from spectra

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Dr_Z asked about about 1 year ago

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What are good ways to capture outputs and notes at events?

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stevie asked about over 1 year ago

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answered on Dec 15, 2017 2

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What do I need to get started with the Community Kits program?

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warren asked about over 1 year ago

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answered on Dec 08, 2017 0

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Where can microscope lenses (objectives) be bought?

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warren asked about over 1 year ago

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Noise when Trying to Analyze Spectrum

matthart610 asked about over 1 year ago

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What are different commercially available hydrogen sulfide detection methods?

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warren asked about over 1 year ago

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What are some ways to collect dust or particulate samples for analysis?

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warren asked about over 1 year ago

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answered on Dec 04, 2017 1

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answered on Feb 28, 2018 1

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How to select a site for hydrogen sulfide testing?

warren asked about over 1 year ago

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How can we safely try out and evaluate a hydrogen sulfide test?

warren asked about over 1 year ago

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View these maps at MapKnitter.org »

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