11 research notes 1 questions

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barnstar:basic activity:spectrometry-sampling emission-spectroscopy dep date:10-11-2015 date:02-13-2016 crude creek cfl beta

beta

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A Test For Household Radiation by @Dave-O
Public Lab Workshop at the Sunview Luncheonette by @Matej
Oil Testing Beta --plus Grand Isle tar by @eustatic
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cfl

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Dark images, can't get spectrometer to work by @Tomas0413
Spitfire peak pixel test by @viechdokter
Reproducibility test using a CFL lamp by @viechdokter
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creek

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Trash-tography: Mapping Trash in Creeks through Photography by @ikcal11
Public Lab Workshop at the Sunview Luncheonette by @Matej
The Story of the Stoney Creek. Part 1. by @amysoyka
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crude

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How to Test Soil for Oil & Gas Contaminants* please contribute by @DanielleS
Some Gulf Coast Use Cases for the Oil Testing kit in 2015 by @eustatic
Separating Oil from Water by Freezing the Water Part 2 by @Matej
 3 notes |  0 questions |  6 comments by @Matej
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dep

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Public Lab Workshop at the Sunview Luncheonette by @Matej
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emission-spectroscopy

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Various CFLs with Different Spectra by @Matej
Idea For Detecting Specific Emissions. by @amysoyka
Selenium detection methods & ideas on e-cigarette atomizers for DIY analysis by @warren
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event

59 people discussing

Louzaouiñ Seeds Of Contend by @xavcc
Bioblitz Event: MN Land and Manoomin Protection Proyect by @michelleiL
Open Call: "Game Over Formosa Plastics" Report Back by @michelleiL
 2 notes |  0 questions |  2 comments by @Matej
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first-time-poster

186 people discussing

Question: Validity of Aquaculture Water Quality Test Kits by @jamontalbs
Creating a "videocamera" for passive dust collection over time? by @natematias
Please where can I get free downloadable data on Nigeria showing different vegetation zones by @VIETCHI
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fluorescence

7 people discussing

Using UVC or "deep UV" light to detect lead by fluorescence by @warren
How do you get the red LED on the pi camera to turn off? by @zixaq
Standalone Spectrometry software & uploading JPG or PNG spectra by @lach_myers
 2 notes |  0 questions |  2 comments by @Matej
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freezing

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Separating Oil from Water by Freezing the Water Part 2 by @Matej
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freezing-oil

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Separating Oil from Water by Freezing the Water by @Matej
Oil Sheen Testing by @Matej
 2 notes |  0 questions |  5 comments by @Matej
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greenpoint

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Collecting Oil Sheen on Newtown Creek, Dutch Kills, Queens, NY by @Matej
Public Lab Workshop at the Sunview Luncheonette by @Matej
 2 notes |  0 questions |  4 comments by @Matej
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isopropyl

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Can you use rubbing alcohol or nail polish remover for prepping copper for Hydrogen Sulfide test? by @zengirl2
Preliminary LED and isopropyl alcohol solvent tests for oil fluorescence analysis by @warren
Report: Public Lab Workshop at Sunview by @Matej
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led

1 person discussing

Spectrometer 3.0 add-on v2 by @programmer1200
Plant Health NDVI -White Balance by @Claytonb
Honlian 60s LED nail polish hardener, various LED fluorescence updates by @warren
 1 note |  0 questions |  0 comments by @Matej
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maine

2 people discussing

Tips about seeking funding for water testing? by @Greenhorns
Water testing protocols for Sulfide Mining? by @Greenhorns
Seeking maps of mining sites in Maine by @liz
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multispectral

2 people discussing

Use 3-D glasses to modify a camera for infrared by @umberto_rootman
Build an Infragram Pi Camera by @mimiss
Bringing Public Lab’s multispectral image processing to Leaflet maps by @warren
 1 note |  0 questions |  5 comments by @Matej
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new-york-city

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Soil testing at a massive construction site in the Lower East Side by @bhamster
City of New York's first-ever "Environmental Justice for All" report by @liz
Sponsored Makerspace Memberships in NYC by @Bronwen
 3 notes |  0 questions |  4 comments by @Matej
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new-york-city

10 people discussing

Soil testing at a massive construction site in the Lower East Side by @bhamster
City of New York's first-ever "Environmental Justice for All" report by @liz
Sponsored Makerspace Memberships in NYC by @Bronwen
 3 notes |  0 questions |  4 comments by @Matej
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newtown

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Public Lab Workshop at the Sunview Luncheonette by @Matej
 1 note |  0 questions |  2 comments by @Matej
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newtown-creek

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Collecting Oil Sheen on Newtown Creek, Dutch Kills, Queens, NY by @Matej
April 12 Newtown Creek balloon mapping pics by @liz
Newtown Creek Workshop with Balloon Photography by @nameiswillis
 1 note |  0 questions |  2 comments by @Matej
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newtown-creek-alliance

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Collecting Oil Sheen on Newtown Creek, Dutch Kills, Queens, NY by @Matej
NYS DEC Oil Samples by @liz
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nyc

2 people discussing

Soil testing at a massive construction site in the Lower East Side by @bhamster
Fall Workshops in NYC- Oil & Gas by @Bronwen
Public Lab & Science For The People in NYC on 11/06 by @Bronwen
 1 note |  0 questions |  2 comments by @Matej
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oak

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Public Lab Workshop at the Sunview Luncheonette by @Matej
 1 note |  0 questions |  2 comments by @Matej
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oil

9 people discussing

What can you do about oil in your ditch following a natural disaster when traditional resources/normal pathways are not available? by @laurel_mire
Emery Board as Bathymeter: ETP vs Beau Bayou by @eustatic
How can we relate water quality sensor measurements to oil/gas pollution? by @wmacfarl
 7 notes |  0 questions |  9 comments by @Matej
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oil-and-gas

26 people discussing

Looking for recommendations of how to obtain air quality samples around a fracked gas compressor station by @SBucic
Event: A conversation with Yutsi, creator of NORCO the game by @a1ahna
Is there a federal program in the US for reclaiming abandoned oil wells? by @bhamster
 1 note |  0 questions |  2 comments by @Matej
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oil-pollution

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Toxic City: Health Impacts of Chemicals Emitted in the South Durban Area by @kgradow1
How much do different oil pollution tests cost? by @warren
Draft: Collect a sample for laboratory analysis by @warren
 1 note |  0 questions |  1 comment by @Matej
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oil-sheen

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Cartoscope GRN Harvey: Requests for feedback -- not ready for use by @sspatharioti
Collecting Oil Sheen on Newtown Creek, Dutch Kills, Queens, NY by @Matej
 1 note |  0 questions |  2 comments by @Matej
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oil-spill

1 person discussing

Has anyone here ever used the Environmental Response Management Application (ERMA) for organizing around an environmental concern? by @amocorro
Oil Chemistry of Keystone Leak by @kayaerbil
Event sorting images from Harvey by @stevie
 3 notes |  0 questions |  5 comments by @Matej
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oil-testing-kit

10 people discussing

Oil Testing Kit Beta Challenge by @gretchengehrke
Highlights: Working with Communities in the DIY Oil Testing Booklet by @stevie
DIY Oil Testing Toolkit: Graphic Template Release! by @mlamadrid
 7 notes |  0 questions |  10 comments by @Matej
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os

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First "PIG Oil Only Absorbent Mat Pad" Test by @Matej
Separating Oil from Water by Freezing the Water Part 2 by @Matej
Separating Oil from Water by Freezing the Water by @Matej
 4 notes |  0 questions |  6 comments by @Matej
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ost

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Separating Oil from Water by Freezing the Water by @Matej
Oil Sheen Testing by @Matej
 2 notes |  0 questions |  5 comments by @Matej
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otk

1 person discussing

405nm LED vs Laser by @stoft
Preliminary LED and isopropyl alcohol solvent tests for oil fluorescence analysis by @warren
Report: Public Lab Workshop at Sunview by @Matej
 8 notes |  0 questions |  10 comments by @Matej
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out

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First "PIG Oil Only Absorbent Mat Pad" Test by @Matej
 1 note |  0 questions |  0 comments by @Matej
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particulate-sensing

5 people discussing

Statistics for Action Air Quality Guide by @kgradow1
Particulate sensor using a STBM271 by @david_uwi
Air Sensor Project by @johnb1003
 0 notes |  1 question |  1 comment by @Matej
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penobscot-bay

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Oil Testing Kit Workshop at Art in Odd Places Festival by @Matej
Oil test kit Beta by @ronhuber
Kidder Point. Facilitating EPA with citizen science & historic documents. DRAFT by @ronhuber
 1 note |  0 questions |  1 comment by @Matej
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pig

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Preliminary LED and isopropyl alcohol solvent tests for oil fluorescence analysis by @warren
Report: Public Lab Workshop at Sunview by @Matej
First "PIG Oil Only Absorbent Mat Pad" Test by @Matej
 2 notes |  0 questions |  0 comments by @Matej
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question

1 person discussing

Anyone have experience with diy soil testing methods for contaminants- Colorimetry, spectometry, reagents, etc? by @DanielleS
What are the specifics on laser power?What do you use for the infrared blocker?What power microscope lenses do you use at [ by @Megoptera
Help us refine the search interface at PublicLab.org/search by @warren
 0 notes |  1 question |  1 comment by @Matej
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sampling

5 people discussing

How to collect a water sample by @stevie
Community Soil Testing Using an Open Source Soil Sampling Toolkit by @jjcreedon
What could be some applications of a hand-powered paper centrifuge? by @mimiss
 1 note |  0 questions |  1 comment by @Matej
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sheen

0 people discussing

What can you do about oil in your ditch following a natural disaster when traditional resources/normal pathways are not available? by @laurel_mire
Cartoscope GRN Harvey: Requests for feedback -- not ready for use by @sspatharioti
How do I identify an oil sheen or spill or slick in aerial photography? by @warren
 5 notes |  0 questions |  8 comments by @Matej
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spectral-analysis

9 people discussing

High Dynamic Range (HDR) Imaging (revisited) by @MaggPi
How can you use computer vision to reduce spectral overlap? by @MaggPi
Is there a way to use RGB spectral overlap to make better spectral measurements? by @MaggPi
 1 note |  0 questions |  5 comments by @Matej
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spectral-workbench

116 people discussing

CSV import to excel by @greenalastair
How do I change the reference calibration to a new current calibration? by @miramarchem1
Always blank, black spectrum by @Detector
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spectralworkbench

88 people discussing

Important Update from Public Lab by @jmacha
NoIR Camera Spectral Response by @wln215
How can I get the menu to calibrate SpectralWorkbench? by @experimentierwerkstatt_dm
 1 note |  0 questions |  5 comments by @Matej
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spectrometer

330 people discussing

[![Spec1.jpg](/i/47353)](/i/47353?s=o) by @Abraxas
First Attempt Bombed... But Why ? by @Abraxas
How to build affordable DIY Near Infra red Spectrometer for analyzing wavelength range 1000nm to 1800nm ? by @apk87
 6 notes |  0 questions |  12 comments by @Matej
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spectrometer

330 people discussing

[![Spec1.jpg](/i/47353)](/i/47353?s=o) by @Abraxas
First Attempt Bombed... But Why ? by @Abraxas
How to build affordable DIY Near Infra red Spectrometer for analyzing wavelength range 1000nm to 1800nm ? by @apk87
 6 notes |  0 questions |  12 comments by @Matej
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spectrometry

65 people discussing

[![Spec1.jpg](/i/47353)](/i/47353?s=o) by @Abraxas
First Attempt Bombed... But Why ? by @Abraxas
Research Paper: Correlating NDVI with Lichen Responses to Air Pollution by @fongvania
 1 note |  0 questions |  0 comments by @Matej
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spectrum-matching

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Various CFLs with Different Spectra by @Matej
Continued literature review for the Oil Testing Kit by @warren
Flare Spectrometer proposal in Shreveport and Meraux Louisiana by @AndyZ
 1 note |  0 questions |  5 comments by @Matej
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spill

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How do I identify an oil sheen or spill or slick in aerial photography? by @warren
Public Lab Workshop at the Sunview Luncheonette by @Matej
Oil sample concentration session at Barnraising by @warren
 1 note |  0 questions |  2 comments by @Matej
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telemetry

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Various CFLs with Different Spectra by @Matej
3-camera rig testing with with CHDK by @patcoyle
3-camera housing photos and test KAP session by @patcoyle
 1 note |  0 questions |  5 comments by @Matej
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unboxing

1 person discussing

Great introductory packaging by @warren
OTK Unboxing by @Matej
Oil Testing Kit Workshop at Art in Odd Places Festival by @Matej
 2 notes |  0 questions |  1 comment by @Matej
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uv

2 people discussing

Using UVC or "deep UV" light to detect lead by fluorescence by @warren
2.5D Multispectral (NIR and UV) Drone Photography Using AI-Assisted Ken Burns Effect by @ektopyrotic
Is there a way to make a cheaper "UV Hound"? by @liz
 2 notes |  0 questions |  5 comments by @Matej
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water-quality

166 people discussing

Question: Validity of Aquaculture Water Quality Test Kits by @jamontalbs
Chattahoochee Challenge: Connecting Students Across a Watershed by @rebeccaMw
Op-Ed about the Talon-Rio Tinto Mine by @noah_ben_furman
 3 notes |  0 questions |  5 comments by @Matej
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workshop

8 people discussing

Balloon mapping workshop for a street festival in London by @ClimateArt
Workshop XI: How can we affect change? by @mimiss
Workshop X: What Action Does our Data Support? by @purl
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@Matej

@Matej

Joined over 7 years ago

106 followers • 0 following

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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