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warren 8146 research notes and wiki edits | Admin

The creator of GrassrootsMapping.org and co-founder and Research Director for Public Lab, Jeffrey Warren designs mapping and civic science tools and professionally flies balloons and kites. Notable software he has created include the vector-mapping framework Cartagen and orthorectification tool MapKnitter, as well as open spectral database and toolkit Spectral Workbench.

He served from 2015-17 as Vice President of the board of the Open Source Hardware Association, is on the board 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.


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102 questions asked

214 answers posted

53 activities posted

6 activities attempted


Joined about 7 years ago

More thermal photography at Parts & Crafts

by warren almost 6 years ago | 0 | 2,111 | 0

Having made several thermal flashlights last week, we had a chance today at [Parts & Crafts](http...

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Testing wines with UV-visible spectrometry

by warren about 6 years ago | 0 | 5,507 | 0

A couple of good papers on this are attached. **Rapid determination of phenolic components in ...

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Thermal flashlight temperature key

by warren about 6 years ago | 2 | 2,034 | 2

I made a diagram of a possible "color dial" for the thermal flashlight. It's a shared Google Pres...

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Why Collaborative Development Works in a Proprietary World

by warren about 6 years ago | 0 | 2,277 | 2

This was re-posted from PBS's <a href="http://www.pbs.org/idealab/2012/02/why-collaborative-d...

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Ultraviolet spectroscopy test at ~350nm

by warren about 6 years ago | 2 | 2,496 | 0

Messing with an ultraviolet LED flashlight and some makeup today, i was able to get reflected/flu...

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Tracking contributions to open source projects

by warren about 6 years ago | 0 | 2,084 | 0

The Document Foundation has been posting regular and extremely thorough analysis/graphs of their ...

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Common cathode variant of Thermal Flashlight code

by warren about 6 years ago | 0 | 3,659 | 0

For Thermal Flashlights, if your LED is not turning on, you may have...

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Temperature during Thatchmore Farms flight

by warren about 6 years ago | 0 | 2,031 | 2

Here it is in a Javascript Flot graph: <iframe border="0" width="520px" height="320px"src="htt...

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Thatchmore farms hypr3d model

by warren about 6 years ago | 4 | 4,061 | 0

<iframe width="500" height="500" src="http://www.hypr3d.com/models/4f3526e2276cd700010000a3/embed...

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More tests for "hamster ball" air quality monitoring

by warren about 6 years ago | 0 | 2,480 | 0

I got the "robotic hamster ball" working and moving very slowly by gearing down a Lego motor and ...

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Infrared photography sketches

by warren about 6 years ago | 0 | 1,346 | 0


Recent citizen/open science articles

by warren about 6 years ago | 0 | 2,336 | 2

Hello all -- here's a few good articles on open/citizen science I wanted to share (along with...

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Air-testing hamster ball progress

by warren about 6 years ago | 0 | 2,434 | 0

This is still a weird idea, but I sanded a hamster ball to make it diffuse an LED's light more ev...

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SkyTruth & Southwings collect evidence for lawsuit on 7-yr-old oil spill

by warren about 6 years ago | 2 | 1,780 | 2

Via <a href="http://summitcountyvoice.com/2012/02/06/groups-sue-to-halt-7-year-oil-spill-in-gulf-...

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Android phone hacked as radiation detector

by warren about 6 years ago | 1 | 3,806 | 0

[Hackaday wrote about](http://hackaday.com/2012/01/15/turn-your-camera-phone-into-a-geiger-counte...

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Palantier: impressive image stitching for UAVs and kites

by warren about 6 years ago | 5 | 6,513 | 0

Mark Willis sez: Palentier is an Open Source software that was...

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Introduction to Spectral Workbench

by warren about 6 years ago | 0 | 1,374 | 0

<iframe width="500" height="333" src="https://www.youtube.com/embed/_yqRZLxcecs" frameborder="0" ...

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Thermal photo

by warren about 6 years ago | 0 | 1,004 | 2


Sprout HEAT dinner thermal images

by warren about 6 years ago | 0 | 1,251 | 2

Thanks, Shaunalynn for sending these over!People were wearing dark winter clo...

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Spectral wine comparison

by warren about 6 years ago | 0 | 1,559 | 0

(Click on the image for a full-res version) Can you tell which are white and which are red wines?...

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Idea for single camera ndvi/nrg infrared analysis

by warren about 6 years ago | 0 | 1,906 | 0

Could be used with a modified version of this program: https://github.com/jywarren/infrared-vi...

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Expensive and over-engineered heat mapping is inaccessible and illegible to homeowners

by warren about 6 years ago | 1 | 1,813 | 0

The title of this post is what I would've entitled this article about a centralized and scientist...

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Storyboard sketches for thermal flashlight

by warren about 6 years ago | 0 | 4,012 | 0

Been working on sketches for possible illustrated guides and also generally to explain how to use...

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"Hamster ball" alternative to Roomba

by warren about 6 years ago | 5 | 3,051 | 0

Weird idea but i ordered a hamster ball ($4) and am going to try building it. It naturally rolls ...

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View these maps at MapKnitter.org »

Title Creation date Image


role:organizer skill:coding organizers place:somerville-ma organizer location:blurred place:somerville github:jywarren instagram:unterbahn group:education lat:41 lon:-71 wwg