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Co-founder of public lab, balloon and kite nut. mdml.co/ @headfullofair


Clips for the next spectrometer, pt 2

by mathew | 1 day ago | 0 | 168 views | 1

What I want to do try out some clips I bought and figure how they fit in a new spectrometer desi...

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spectrometer oil-testing-kit


Low-cost passive aerosol monitors

by mathew | 8 days ago | 2 | 275 views | 1

What I want to do Summarize the literature on low-cost passive particle monitors tha can produce...

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air-quality dust particulates silica


Clips for the next spectrometer

by mathew | 9 days ago | 4 | 265 views | 1

What I want to do find and test a clip that works with the bench design @warren and I brainstorm...

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spectrometer oil-testing-kit


State of the Science: The Oil Testing Kit

by mathew | 26 days ago | 1 | 427 views | 2

What we want to do I sat down with @warren to record a video presentation on the state of the oi...

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spectrometer video oil-testing-kit with:warren



Karen's comments on the spectrometer instructions

by mathew | 28 days ago | 1 | 261 views | 0

Karen assembled a desktop spectrometer and commented the instructions during our 7/31 workshop.

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spectrometer assembly desktop-spectrometer desktop-spectrometer-assembly


Hardware design work for the Oil Testing Kit

by mathew | 28 days ago | 13 | 293 views | 1

A hardware sketch of our favorite configuration is above. _This is a jointly authored research no...

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spectrometer kits fluorescence desktop-spectrometer


A Retrospective of Spectrometer Design Ideas 2011-2014

by mathew | about 1 month ago | 0 | 571 views | 0

Here is a history of public lab spectrometer research ideas up to the present. There is really n...

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spectrometer overview retrospective


Off-wind kite flying & Redstone Rigging in Augusta, WI

by mathew | 2 months ago | 5 | 628 views | 2

Dogs are totally pro-kite. Stephanie, Tom, myself, and our entranced canine audience. All groun...

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kite-mapping mapping wisconsin silica



DIY dust monitoring: Dylos in Wisconsin

by mathew | 3 months ago | 7 | 395 views | 0

Hank Boschen and Concerned Chippewa Citizen have been deploying ~$200 Dylos 1100 laser particula...

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wisconsin dust silica midwest


a first look at dust with consumer scanners

by mathew | 3 months ago | 6 | 442 views | 1

What I want to do See if I can't see PM10 or even PM2.5 particles on a consumer scanner. I purc...

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silica pm midwest particle-sensing


Using Fluxtream to look at Speck Data

by mathew | 3 months ago | 0 | 365 views | 1

What I want to do Document how to upload data from a Speck to CMU's analysis program Fluxtream.o...

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visualization data dust silica


The development of stickypad monitoring

by mathew | 3 months ago | 2 | 365 views | 2

What I want to do Summarize the development of sticky pads for dust monitoring and collect the p...

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air dust silica midwest



Two weeks with a Speck

by mathew | 3 months ago | 6 | 431 views | 1

Carpentry. 80 times worse than rush hour. What I want to do Illah Nourbakhsh and Beatrice Dias ...

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air dust open-air particle-sensing


Midwestern Frac Sand Deposits, Aquifers, & Rivers

by mathew | 3 months ago | 1 | 569 views | 2

Image Credit: USGS What I want to do I want to understand where frac sand is being mined and wh...

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sand wisconsin water-quality water


Imagining & testing Polarized Light Microscopy for Silica dust speciation

by mathew | 3 months ago | 11 | 783 views | 4

What I want to do Sample and identify silica dust particles preferably at PM2.5 (2.5 μM, roughly...

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particulate-sensing air-quality dust particulates


PLOS One: KAP for... Multi-Spectral Mapping of Intertidal Landscapes

by mathew | 3 months ago | 6 | 2,025 views | 0

An article on two-camera NDVI in intertidal mapping from PLOS One, using kites, via the KAP forum...

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balloon-mapping near-infrared-camera kite-mapping ndvi



Frac Sand Frisbee- Maps against Mines

by mathew | 3 months ago | 0 | 511 views | 2

Mikey O'Connor's blog, Frac Sand Frisbee does an excellent job of explaining the problems with fr...

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community-mapping mapping fracking silica


Illustrating Infragram Point & Shoot Instructions

by mathew | 4 months ago | 9 | 1,160 views | 0

What I want to do Use Sketchup models of the Mobius action cam to illustrate instructions on its...

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near-infrared-camera infragram instructions mobius


Infragrams from a Quadcopter

by mathew | 4 months ago | 0 | 1,154 views | 1

What I want to do go flying on a friday morning. Not enough wind for a kite today. We did try ...

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near-infrared-camera infrared infragram quadcopter


Announcing the Infragram Point & Shoot

by mathew | 4 months ago | 11 | 1,975 views | 3

The Infragram Point & Shoot is a modified Mobius Action Cam with a 133 degree wide-angle lens...

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near-infrared-camera infrared kickstarter infragram



Rosco replacements for Wratten 25A, pt 2

by mathew | 4 months ago | 9 | 674 views | 0

What I want to do test the three Rosco theatrical filters identified during a search for a repla...

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infrared infragram mobius


A Wratten 25A replacement from Rosco?

by mathew | 4 months ago | 1 | 739 views | 0

What I want to do Find a cheap polycarbonate or polyester film filter made by Rosco that can rep...

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ndvi infrared infragram rosco


Frac Sand mining- polar light microscopy?

by mathew | 4 months ago | 2 | 649 views | 1

This image is from Wisconsin Watch With the increase in fracking comes a demand for sand used to...

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particulate-sensing air-quality dust silica


Mapknitter Annotations (GSOC)

by mathew | 6 months ago | 5 | 1,216 views | 0

What I want to do There is no single page to find all the work we've done thinking about map ann...

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balloon-mapping mapknitter archive gsoc



Oil Fluorescence Testing station from a spectrometer box

by mathew | 6 months ago | 3 | 1,441 views | 2

Download the cut pattern as a pdf: cutpattern.pdf What I want to do modify the standard deskto...

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spectrometer oil-testing-kit


3D data from image sets & Autostitching

by mathew | 6 months ago | 4 | 1,087 views | 0

On our weekly organizers call, we discussed software for doing 3D reconstructions from photos. I...

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3d mapknitter sfm


20 Oil Testing kits (draft 1)

by mathew | 6 months ago | 0 | 996 views | 0

What I want to do Buy 20 testing kits to Jeff's design. The parts are as follows: 4 square glas...

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spectrometer oil-testing-kit


Eymund Diegel Finds the Fun in Super Fund (GMF #4)

by mathew | 6 months ago | 0 | 782 views | 1

This is an interview by Shannon Dosemagen of Eymund Diegel from Grassroots Mapping Issue #4. bu...

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Grassroots Mapping Forum #4 in print

by mathew | 6 months ago | 1 | 769 views | 1

GM_Forum_20140205_screen_small.pdf Issue 4 is focused on long-term research in the New York C...

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Great Infragram conversion video (Canon Elph 130IS)

by mathew | 7 months ago | 2 | 1,118 views | 1

Dennis Baldwin made this really great video disassembling and converting a Powershot camera

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near-infrared-camera video conversion infragram