Matej 11 research notes and 11 wiki edits | Joined over 3 years ago

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






Various CFLs with Different Spectra

by Matej about 3 years ago | 14 | 154 views | 1


Report: Public Lab Workshop at Sunview

by Matej over 3 years ago | 2 | 118 views | 2




First "PIG Oil Only Absorbent Mat Pad" Test

by Matej over 3 years ago | 3 | 148 views | 3



Separating Oil from Water by Freezing the Water

by Matej over 3 years ago | 12 | 2,780 views | 4


Oil Sheen Testing

by Matej over 3 years ago | 5 | 122 views | 3


OTK Unboxing

by Matej over 3 years ago | 0 | 997 views | 0



Oil Sheen Testing

by mlamadrid about 3 years ago | 1 | 104 views | 0

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

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Comments

Comment Last activity Moderation
"Hi @stevie! Everything is here in the comments: https://publiclab.org/notes/mathew/10-26-2015/deploying-passive-particle-monitors#c19339 " | Read more » about 1 year ago
"Amazing!! Thank you @warren and @matthew!! All very helpful! My bigest concern was where to get the mesh with correct hole diameter. The github is ..." | Read more » about 1 year ago
"Hey @matthew! I am trying to build same PPM kit you guys have here. Where did you guys get the sampler stub? I understand that it is the electron m..." | Read more » about 1 year ago
"Cool! Thanks Jeff! This is helpful. " | Read more » about 3 years ago
"This is very helpful guys. Thanks " | Read more » about 3 years ago
"Interesting. I actually did kind of an "educated guess" calibration but I couldn't find more but one blue peak. I know that in the "usual" CFL ther..." | Read more » about 3 years ago
"@warren: in response to: "Can you try re-calibrating this one, as I think it was calibrated during a brief bug (it shows being calibrated on 1/26/1..." | Read more » about 3 years ago
"@ethanbass for calibration I am not smoothing the spectra. I just thought it could be helpful when comparing them and adding them to a set. " | Read more » about 3 years ago
"Hi Jeff, Thanks for the info about the bug! I Will recalibrate right away. I discussed with Gretchen and I think I will keep using this bulb since ..." | Read more » about 3 years ago
"Great note. Could you explain a little more why are these two (or just one) CFLs the best? Also, why the 45 angle? " | Read more » about 3 years ago
"I did not take any pics of the net. It was kind of difficult to balance with the phone in one hand and net in another. I will try to take some tomo..." | Read more » over 3 years ago
"Hey :-) What about the sheens reminded you of coal tar vs. oil? - they were little bit different color. kind of more "metallic and dense" if that m..." | Read more » over 3 years ago
"Thanks and happy to see you there guys!! :-) " | Read more » over 3 years ago
"Here is a research note from Oil Collecting we did 2 days ago for the workshop! Pretty crazy stuff! https://publiclab.org/notes/Matej/02-12-2016/co..." | Read more » over 3 years ago
"Great Work! :-) " | Read more » over 3 years ago
"wow!!! I want one!!! :-D " | Read more » over 3 years ago
"Hi Jeff. I took triplicate spectra of each oil, before mixing it with water and after recovering the oil from frozen water. You can find them at my..." | Read more » over 3 years ago
"@pdhixenbaugh: There are different oil concentrations which can be detected by naked eye. We had a very interesting debate about this at this last ..." | Read more » over 3 years ago
"HI Mary, I am not 100% familiar with methods of collecting oil from soil. I think @eustatic might know better. I saw he had some diluted soil sampl..." | Read more » over 3 years ago
"HI Guys, Thanks for your interesting comments! Jeff: I will certainly try to do that. In general I am trying to find out what could be a realistic..." | Read more » over 3 years ago
"Sounds good. I'll certainly do that sometime around next week! Very useful. " | Read more » over 3 years ago
"Great Jeff! Thanks for adding the tags. Isn't it awesome? I heard about the freezing separation long time ago. People do this already for some time..." | Read more » over 3 years ago
" Hi guys, Liz Barry suggested me to contact you. I am an artist working on a "toolbox for bioremediation" This is part of my larger international ..." | Read more » over 3 years ago































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