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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

Public Lab trading cards

by warren almost 4 years ago | 1 | 1,630 | 5

For highlighting awesome enviro monitoring and other stories. Collect them all! [![tmp_IMG_2...

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$0.75 lead testing color strips

by warren almost 4 years ago | 5 | 1,806 | 2

Ok -- how does this work and can we DIY this? [![2014-04-18_17.19.22.jpg](https://i.publiclab...

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Infragram featured in April's issue of Wired

by warren almost 4 years ago | 1 | 2,432 | 4

Just got this at the newsstand -- pretty neat, if brief! Woohoo! [![publiclab.png](https://i.p...

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Mobius Action Cam Infragram tests

by warren almost 4 years ago | 5 | 6,522 | 0

Based on an ongoing discussion about whethe...

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Selenium detection methods & ideas on e-cigarette atomizers for DIY analysis

by warren almost 4 years ago | 3 | 3,699 | 2

This PDF has some great notes on all different approaches for measuring selenium in soil, water, ...

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Yellow smoke plume at Lawrence Point, Queens

by warren almost 4 years ago | 7 | 4,272 | 0

Yesterday, I was riding the Amtrak train past Lawrence Point in Queens, NY, and saw twin smokesta...

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Sampling extension for smartphone specs

by warren about 4 years ago | 8 | 2,212 | 2

Mathew Lippincott and I have been talking about the [Oil Sampling Kit](/notes/...

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Public Lab Community Newsletter February 7, 2014

by warren about 4 years ago | 0 | 1,179 | 0

Hello everyone -- your weekly dose of Public Labbery is here, with a full agenda for the next few...

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Oil Testing Kit: draft materials list

by warren about 4 years ago | 33 | 4,016 | 3

Update: Alpha kits are now available: http://store.publiclab.org/products/spectrometry-sampli...

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Public Lab community newsletter 2.01.14

by warren about 4 years ago | 0 | 1,323 | 0

Hello everyone! There are lots of upcoming events, including one tomorrow in Somerville, MA -...

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Thermal flashlight Visualight shield

by warren about 4 years ago | 25 | 3,999 | 0

In the comments of this post, we've been exploring how to make an expansion to the open source...

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Reagent-based PAH, VOH, PCB testing kits for soil and water, with pricing

by warren about 4 years ago | 0 | 4,327 | 0

We need established tests to compare our own tests to, even if the established tests are expensiv...

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Announcing an ioby + Public Lab partnership

by warren about 4 years ago | 0 | 1,870 | 0

Hello all -- we wanted to briefly announce a new initiative in partnership with ioby, a locally-f...

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Infragram Live & Infragram webcams en route from factory

by warren about 4 years ago | 0 | 3,659 | 2

Following up on [my post from a couple weeks ago](/notes/warren/12-28-2013/live-webcam-infragr...

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Live webcam Infragramming, WebGL option

by warren about 4 years ago | 0 | 2,591 | 0

Working from Piotr's great WebGL code (which uses you...

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New beta capture interface for Spectral Workbench

by warren about 4 years ago | 5 | 5,319 | 2

I've been working in my spare time on a new interface for capturing spectra, pictured above, whic...

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Spectrometry Sample Extraction at the Parts & Crafts Toolshed-Raising

by warren about 4 years ago | 0 | 4,760 | 2

I wanted to report back from last month's water quality meetup in Somerville, which was graciousl...

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Public Lab community newsletter 12.10.13

by warren about 4 years ago | 0 | 1,408 | 0

_(Above, DJUltis' MQI environmental recorder, posted last week. Read below to...

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Poster on issues with PAH detection in fish

by warren about 4 years ago | 2 | 4,095 | 0

This poster (NOT released under an open license; merely published here with the permission of co-...

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Introducing the Public Lab Smartphone Spectrometer

by warren over 4 years ago | 4 | 6,749 | 0

At long last, we've started shipping the Smartphone Spectrometer, formerly called the "Backpack S...

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Visualight board for Thermal Flashlights

by warren over 4 years ago | 6 | 6,617 | 1

Leif Percifield's Visualight is an affordable Arduino-compatible...

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Firefox/Firefox-Android support for Spectral Workbench!

by warren over 4 years ago | 0 | 1,695 | 0

As seen in the above screenshot, Spectral Workbench (finally) also works on Firefox and Firefox f...

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Smartphone Spectrometer and Infragram Webcam photoshoot

by warren over 4 years ago | 1 | 4,359 | 0

I just got the final Infragram Webcam prototype from the factory, and wanted to share some nice p...

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Fluorescence of BP oil with UV laser: success!

by warren over 4 years ago | 15 | 5,844 | 4

Scott Eustis and I and others have made [a number](/notes/warren/05-14-2013/laser-oil-fluoresc...

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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