Matej 11 research notes and 11 wiki edits

Matej Vakula, is multi media artist, educator, curator, theorist, programmer, and DIY enthusiast with speciality in data visualization, and urban issues. His work explores impact of culture, technology, location and politics on personal experience and social interrelationships. Exhibiting internationally. Young Visual Artist Award nomination, 6th Prague Biennial, co-founder of CLAKULA Gallery, NYC

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Joined about 3 years ago

Authored (10) Coauthored (1)

Various CFLs with Different Spectra

by Matej over 2 years ago | 14 | 943 views | 1

I was testing two different CFLs looking for differences in their spectra. Since I found that th...

Report: Public Lab Workshop at Sunview

by Matej over 2 years ago | 2 | 1,369 views | 2

[![PL_Workshop_Sunview-3356.jpg](//i.publiclab.org/system/images/photos/000/014/411/medium/PL_Wor...

Collecting Oil Sheen on Newtown Creek, Dutch Kills, Queens, NY

by Matej over 2 years ago | 4 | 2,039 views | 5

On a cold day of .... Willis Elkins (North Brooklyn Boat Club and Newtown Creek Alliance) took m...

Public Lab Workshop at the Sunview Luncheonette

by Matej over 2 years ago | 15 | 1,346 views | 3

Join for experiments in collecting oil sheens and and identifying where did they came from! Publ...

First "PIG Oil Only Absorbent Mat Pad" Test

by Matej almost 3 years ago | 3 | 1,293 views | 4

Here is the first test of the [PIG Oil Only Absorbent Mat Pad](http://www.newpig.com/webapp/wcs/...

Separating Oil from Water by Freezing the Water Part 2

by Matej almost 3 years ago | 3 | 1,901 views | 2

This note is an extension of my previous note "Separating Oil from Water by Freezing the Water" t...

Separating Oil from Water by Freezing the Water

by Matej almost 3 years ago | 12 | 6,014 views | 4

I attempted to extract various types of oils previously mixed with (tap) water by freezing the w...

Oil Sheen Testing

by Matej almost 3 years ago | 5 | 1,383 views | 3

I want to find out the most effective and DIY friendly way how to collect and concentrate oil sh...

OTK Unboxing

by Matej almost 3 years ago | 0 | 993 views | 2

[](h...

Oil Testing Kit Workshop at Art in Odd Places Festival

by Matej about 3 years ago | 0 | 1,759 views | 1

Hi guys, Liz Barry suggested me to contact you. I am an artist working on a "toolbox for bioremed...

Oil Sheen Testing

by mlamadrid over 2 years ago | 1 | 793 views | 0

This is an article by Matej Vakula for [Community Science Forum Issue #1 on DYI Oil Testing](...

Asked Answered

Hey @matthew I am trying to build same PPM kit you guys have here. Where did you guys get the sampler stub?

particulate-sensing question question:air-quality question:pm

Post an answer

asked by Matej 6 months ago | 2 | | 136 | 0

View these maps at MapKnitter.org »

Title	Creation date	Image

6. Looking at Dust (and other things)

by partsandcrafts 8 months ago | 2 | 267 views | 3

NOTE: This is the least-well-developed part of the process and is a complicated enough project t...

Python and openCV to analyze microscope slide images of airborne particles

by amirberAgain 9 months ago | 39 | 1,119 views | 7

Following the Jan 9th air quality open call I wanted to see what can be done with a microscope sl...

Low cost sensor for air quality monitoring

by mprof9 12 months ago | 4 | 297 views | 5

A brief description of what the project looks like, what the tool does and the results you can ge...

Issue briefing: ultrafine particle pollution from dehydrated biosolids

by liz over 1 year ago | 1 | 193 views | 3

lead image: co-product being dumped onto agricultural fields Slaughterhouses, human waste t...

MACA - Open AQ monitor - Second prototype

by nanocastro over 1 year ago | 18 | 789 views | 10

The MACA Open Air Quality Monitor project (Monitor Abierto de Calidad del Aire in spanish) star...

EPA's Beta C-Tools - Community Tools for Modeling Near-Road or Port Air Quality

by Zengirl2 over 1 year ago | 1 | 246 views | 6

I just attended a webinar today from the EPA demoing their [C-Tools software](https://www.cmascen...

Sample prep for Passive Particle Monitors

by mathew over 2 years ago | 0 | 700 views | 4

Left to Right: [Cap with Mesh, Aluminum SEM stub to hold sample, 0-80 x 1/4" screws, glass covers...

Difference CFL and Tube light?

by Joris over 2 years ago | 5 | 623 views | 1

In the advanced calibration video, it is emphasized that a CFL is needed for calibration, and th...

Automating valves using a magnetic position sensor.

by JSummers over 2 years ago | 2 | 1,071 views | 3

This is a part of our bigger program in laboratory automation. We published an earlier research...

The effect of dilution on the emission spectrum of diesel fuel

by ethanbass over 2 years ago | 2 | 917 views | 4

I wanted to investigate how the spectral profile an oil sample is affected by the dilution of ...

Preliminary LED and isopropyl alcohol solvent tests for oil fluorescence analysis

by warren over 2 years ago | 6 | 2,118 views | 4

Just wanted to post a followup to @matej's post about the Sunview Luncheonette event -- we had a ...

Calibration of a single point reference

by dhaffnersr over 2 years ago | 0 | 652 views | 1

Well, what I wanted to do was figure out a way I could take spectral shots of my samples using at...

Oil Testing Kit Initial Electronics

by cbreuer over 2 years ago | 7 | 1,025 views | 4

I'm currently working on designing the electronics and code, and eventually working on Jeff's ...

This CFL works the best

by dhaffnersr over 2 years ago | 4 | 1,222 views | 2

After a thousand spectral tests, I have found one CFL that I have gotten a quality calibration fi...

OTK Proto3

by stoft almost 3 years ago | 6 | 1,977 views | 7

Preface I received an early Beta OTK to assemble and test but found the mechanics of the d...

A proposal for a way to remediate indoor silica dust

by marlokeno almost 3 years ago | 10 | 1,863 views | 2

proposal for mitigating indoor silica dust After reading #eustatic’s ingenious bubbler for ...

Oil sample concentration session at Barnraising

by warren almost 3 years ago | 2 | 2,122 views | 2

We're having a great discussion on how to concentrate oil samples collected from sheens and other...

Oil Sheen Testing

by Matej almost 3 years ago | 5 | 1,383 views | 3

I want to find out the most effective and DIY friendly way how to collect and concentrate oil sh...

Systematic Imaging of Passive particle monitors on an SEM

by mathew almost 3 years ago | 2 | 1,160 views | 2

I did this work with Paul, @Damarquis, Dr. @AmberWise and Dr. Andrew Marselli on the SEM We a...

Deploying Passive Particle Monitors

by mathew almost 3 years ago | 5 | 1,520 views | 7

Passive Particle Monitor tests are going out in Wisconsin ...

Using ImageJ to process passive particle monitor samples

by mathew about 3 years ago | 1 | 3,521 views | 5

I want to document the manual steps of processing the images of passive particle monitors, stepp...

analyzing passive monitors

by mathew about 3 years ago | 8 | 3,163 views | 6

In analyzing passive particle monitors, we’ll collect a glass slide cover with a 6mm circle of d...

Optical Imaging of Passive Particle Monitors

by mathew about 3 years ago | 3 | 3,474 views | 4

This is an attempt to document the steps in a method of imaging for the passive monitor [you can ...

Replicating a Passive Dust Monitor & Method

by mathew about 3 years ago | 4 | 3,241 views | 4

Passive dust monitors, where dust lands on a pad or in a container without any pumps, fans, elect...

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Matej was awarded the Basic Barnstar by warren for their work published in First "PIG Oil Only Absorbent Mat Pad" Test.

Matej was awarded the Basic Barnstar by stevie for their work published in Separating Oil from Water by Freezing the Water.

Matej 11 research notes and 11 wiki edits

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