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I. The Problem

Communities lack access to the tools and techniques needed to participate in decisions being made about their communities, especially when facing environmental hazards.

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II. The Collaboration

We are an open network of community organizers, educators, technologists and researchers working to create low cost solutions for monitoring air, water and land.

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III. The Solution

Join us today, as we work together to build and inspire a community of DIY activists and explorers using simple tools to build a growing body of data about our local environments.

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Trending topics: spectrometer balloon-mapping kite-mapping event infragram

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SoC Application Template

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Facilitation

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Air Sampling

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Particle Sensing

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Start a Chapter

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Basic Microscope Kit

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warren commented on Fluorescence of BP oil with UV laser: success!

Note to self: found possibly-suitable boxes: http://www.uline.com/Product/Detail/S-12694BL/Retail...

15 comments » over 4 years ago

warren commented on Visualight board for Thermal Flashlights

this wasn't the complete thing, just the stuffed boards, which Leif handed to me at the Barnraisi...

6 comments » over 4 years ago

bhickman commented on CCD Photodiode Array Spectrometer

Hi Taylor. Your right that the LED is limited in the wavelengths it emits. I have made another de...

25 comments » over 4 years ago

warren commented on Spectra Workbench for offline use?

Spectral Workbench now works offline once you've loaded the site while you have an internet conne...

2 comments » over 4 years ago

eustatic commented on Balloon Mapping of Bienvenue Wetland Triangle Bulrush Planting

One mapknitter map, with horrid scaling, here: https://mapknitter.org/maps/scott-test-bienvenue ...

1 comments » over 4 years ago

danbeavers commented on Cheap spectrometer fundraiser on indiegogo

The text says Raman spectrometer.

5 comments » over 4 years ago

mathew commented on Balloon mapping notes from a first-timer

thanks. Yup, those have a problem with the latch weakening, making them less-than-reuseable, and ...

9 comments » over 4 years ago

warren commented on Cheap spectrometer fundraiser on indiegogo

Did it say that in the video or on the page? It's hard to evaluate closed-source claims, and thei...

5 comments » over 4 years ago

kanarinka commented on Pole photography on a small neighborhood creek

Thanks everyone for the suggestions - these are great tips and I will employ them in the next rou...

11 comments » over 4 years ago

cfastie commented on Oaktober

Mathew, To make sure there is no confusion, the (NIR-Red)/(NIR+Red) formula is not used for the B...

6 comments » over 4 years ago

cfastie commented on Red Filter Rising

Mathew, That does seem to be a consistent pattern. I think you are right that a green filter migh...

15 comments » over 4 years ago

mathew commented on Red Filter Rising

looking at the sensor sensitivity graph for the Nikon D200, its interesting that green is the lea...

15 comments » over 4 years ago

danbeavers commented on Cheap spectrometer fundraiser on indiegogo

It is supposed to be a Raman spectrometer. What are the capabilities of that technology with 1 s...

5 comments » over 4 years ago

warren commented on Fluorescence of BP oil with UV laser: success!

Scott has ordered some laser pointers and is going to try to reproduce.

15 comments » over 4 years ago

jimwalsh commented on Spectral Workbench Offline

Need more info on this. I tried to do this offline and was not able to capture. I can get to Spec...

2 comments » over 4 years ago

cfastie commented on Pole photography on a small neighborhood creek

This is a great map. Congrats on the success and especially on getting out to do a trial run. T...

11 comments » over 4 years ago

cfastie commented on Obliques of City Park Stormwater wetland Nov 9th

Scott is right that georeferencing obliques is usually not very rewarding. Photosynth can be a so...

5 comments » over 4 years ago

patcoyle commented on Obliques of City Park Stormwater wetland Nov 9th

Interesting low altitude obliques.

5 comments » over 4 years ago

patcoyle commented on Vermont Environmental Summit 2013

Looks good Chris. Nice composite slide of the PL tools.

1 comments » over 4 years ago

patcoyle commented on Smartphone Spectrometer and Infragram Webcam photoshoot

Looking good. Thanks.

1 comments » over 4 years ago

jbest commented on Balloon mapping notes from a first-timer

mathew, I added a picture of the kind of zip tie that didn't work well for us.

9 comments » over 4 years ago

ttaylor commented on CCD Photodiode Array Spectrometer

Wow, thanks for the interesting design. Just a comment, it looks like the photodiode array has a...

25 comments » over 4 years ago

cfastie commented on Focus on filters

The aperture mechanism definitely varies among Powershots. By peering into the front of the lens ...

11 comments » over 4 years ago

tungs10 commented on Spectroscopy of oxyhydrogen flames

I am familiar with Mike Allen's evaluations. He admits that they are not "scientific". About the...

2 comments » over 4 years ago

timmm063 commented on Focus on filters

Have you considered watching other sites for cameras that are refurbished? One I would recommend ...

11 comments » over 4 years ago

eustatic commented on Cartography Primer - Pamet Marsh

"we have many maps to make." I feel ya! i 've started to make a wiki page in order to keep trac...

4 comments » over 4 years ago

mathew commented on Photos of my modifications to the sprctrograph

Just linking these together. Here is Ligon's previous post

4 comments » over 4 years ago

mathew commented on (Attempted) Kite Mapping at Dead Horse Bay

Glad you're headed out, looking forward to a successful trip!

1 comments » over 4 years ago

mathew commented on Infragram Webcam testing update

Nice!

1 comments » over 4 years ago

Report back on NYC Kite Workshop

by liz over 5 years ago | 0 | 2

IR+VS TIMELAPSE

by hunter over 5 years ago | 0 | 1

easy cut delta kite plans

by mathew over 5 years ago | 2 | 2

Safety Precautions for H2S Research

by Sara over 5 years ago | 4 | 0

Towards a standard diamond kite kit

by lfamular over 5 years ago | 0 | 2

Story Of Oil Field Worker's Death linked to VOCs

by Sara over 5 years ago | 0 | 2

Canon Powershot SD4000 repairs

by jbreen over 5 years ago | 3 | 0

Make a simple mylar/trash bag delta kite

by warren over 5 years ago | 3 | 3

UMass Open Hardware Workshop

by cfastie over 5 years ago | 4 | 2

USGS historical topography maps

by gonzoearth over 5 years ago | 0 | 2

FABAnorth arrow

by Juan over 5 years ago | 0 | 0

question

by leeuwenstein over 5 years ago | 1 | 2

Bayou Sauvage H2S expectations, question

by eustatic over 5 years ago | 1 | 2

Thermal Flashlight Calibration Nomogram

by mathew over 5 years ago | 2 | 0

Public Lab community newsletter 7.13.12

by Shannon over 5 years ago | 0 | 2

Shutter timer upgrade

by cfastie over 5 years ago | 3 | 2

MicMac, another OS photogrammetry program

by mathew over 5 years ago | 3 | 3

marsh-H2S videos and some graphics

by eustatic over 5 years ago | 1 | 2

Drager Tubes use info

by Shannon over 5 years ago | 0 | 2

Kite mapping tundra plots

by cfastie over 5 years ago | 0 | 0