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Sandbox

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Microscopes

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Oil and Gas Accountability Toolkit

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about 21 hours ago | 0 | 1

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Moderation

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OpenHour

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Host a Barnraising

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Toolkits

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Somerville SERC

7 days ago | 0 | 0

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sandbox-4

14 days ago | 0 | 0

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MACA

22 days ago | 0 | 2

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Field Studies

22 days ago | 0 | 2

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pearl-mini-logger

22 days ago | 0 | 0

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open-hour

24 days ago | 0 | 1

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measuring-pollen

24 days ago | 0 | 0

New page by stefannibrasil

Call for Papers

27 days ago | 7 | 0

Suiris commented on Filtered tap H2O vs unfiltered tap H2O spectral graph comparison

I am using a Canon IXUS 120 IS for taking pictures, then I cut out the spectrum from the black ba...

15 comments » over 4 years ago

jyalarid commented on A490 Rosco 2007 initial results

Hi, So with this setup I do not need two cameras?... I just finished making this tonight and I a...

1 comments » over 4 years ago

warren commented on In Search of Spectrometer Attenuators

Thinking about how to do this well... did you print on a laserprinter? Can you run transparency t...

14 comments » over 4 years ago

danbeavers commented on Filtered tap H2O vs unfiltered tap H2O spectral graph comparison

I wonder about the peaks appearing to shift between different exposures. Looking at the left mos...

15 comments » over 4 years ago

danbeavers commented on More Infragram sample webcam tests

Did you make sure the IR LEDs were not shining on the filter? That might might have some effect....

2 comments » over 4 years ago

danbeavers commented on New spectrometer build and CFL lines

Really great job. I especially like the cat with yellow and blue eyes!

13 comments » over 4 years ago

warren commented on Limits on Flame Spectra

Just a note to those of you who commented here -- work is ongoing now in Louisiana, led by Scott ...

7 comments » over 4 years ago

warren commented on Zapping Grand Isle Coffee: Team Orca and the green laser

This looks great! Now, the tough part -- detecting enough light to get a spectrum. If you let the...

1 comments » over 4 years ago

warren commented on Improvements in Infragram NDVI with test cameras

Wow, fantastic. I also think that the new interface quickly exposes that my guess that this camer...

10 comments » over 4 years ago

warren commented on Public Lab and NASA DEVELOP fieldwork session one

I especially like this photo: The tracing paper was my suggestion; you can read about it here

2 comments » over 4 years ago

warren commented on New spectrometer build and CFL lines

Wow, that is a gorgeous spectrum! Have you uploaded it to Spectral Workbench yet? I'd love to see...

13 comments » over 4 years ago

warren commented on In Search of Spectrometer Attenuators

users would naturally just pick the middle I guess I'm suggesting that with a 50/0/50 attenuator...

14 comments » over 4 years ago

stoft commented on In Search of Spectrometer Attenuators

I'd agree that giving more visibility the the clipping issue would be good and this is a simple, ...

14 comments » over 4 years ago

eustatic commented on Trapa detection

chris fastie for president. i think tallow looks like broccoli from up high. it would be intere...

8 comments » over 4 years ago

cfastie commented on Improvements in Infragram NDVI with test cameras

I think the new consistent relationship between NDVI values and color is good. If this causes som...

10 comments » over 4 years ago

warren commented on Water Quality Measurements with Optical Spectroscopy

I ended up trying some semi-opaque plastic but indeed the light has to be really strong as a resu...

11 comments » over 4 years ago

warren commented on Laser oil fluorescence proof of concept

Hi, sorry! It's a 532 green laser, like these: http://www.amazon.com/Shaped-Green-Laser-Point-L...

3 comments » over 4 years ago

warren commented on Kite Mapping Near Pilgrim Power Plant

Just so we don't lose the link, here's the great coverage of our adventures by WBUR Boston Public...

3 comments » over 4 years ago

warren commented on In Search of Spectrometer Attenuators

Hi, Dave - I was thinking that given the propensity to take clipped data in almost all devices ou...

14 comments » over 4 years ago

stoft commented on Enhancing Sensitivity of DIY Spectrometers

Interesting experiments. Just be careful of the word "enhancement" as it is imprecise within this...

5 comments » over 4 years ago

patcoyle commented on WATERCHESTNUT Big Picture

Thanks guys, sounds like more will be coming soon and we'll all welcome the results. Don, I thin...

17 comments » over 4 years ago

Sreyanth commented on Find closest match spectra from database - GSoC project

Find my new note here: http://publiclab.org/notes/Sreyanth/07-29-2013/finding-closest-match-spect...

4 comments » over 4 years ago

patcoyle commented on WATERCHESTNUT Big Picture

Nice work, all. It will be interesting to see the followup results. I was also interested in the ...

17 comments » over 4 years ago

Sreyanth commented on Find closest match spectra from database - GSoC project

Hi Dave, Sorry for getting back to you this late. I agree with you completely. I had the idea o...

4 comments » over 4 years ago

cfastie commented on Seasonal NDVI with PicturePost & Infragram: Monitoring & Phenology

Holy cow. This is a really great idea. They have MODIS NDVI included in their animation! It would...

1 comments » over 4 years ago

BKF11 commented on Proposal: SLR spectrometer attachment

I think this would be extremely helpful as a more easily calibrated and thus more accurate spectr...

5 comments » over 4 years ago

danbeavers commented on Digital STS workshop at Arnold Arboretum in Boston

The pdf is not attached.

1 comments » over 4 years ago

commented on First reading from the humidity and temperature sensor @ the community garden

How To Webcam Chat Stay On The World Adult Cam HQ

3 comments » over 4 years ago

commented on Line Reel for Balloon/Kite String

Web Cam Talk Now Adult Cam HQ

7 comments » over 4 years ago

Bibliography for Hydrogen Sulfide Research

by Sara about 6 years ago | 1 | 0

lead in brass snap swivels

by mathew about 6 years ago | 0 | 2

QUESTION?

by leeuwenstein about 6 years ago | 1 | 2

H2S film strip recommendations

by Shannon about 6 years ago | 0 | 2

H2S film strip test #2

by Shannon about 6 years ago | 2 | 0

Thermal flashlight with supply list links

by Shannon about 6 years ago | 0 | 2

Storyboard sketches for thermal flashlight

by warren about 6 years ago | 0 | 0

"Hamster ball" alternative to Roomba

by warren about 6 years ago | 5 | 0

manual photography cheat sheet

by gonzoearth about 6 years ago | 0 | 2

Wine spectroscopy with Adam Hasler

by warren about 6 years ago | 4 | 0

Timelapse Apps

by gonzoearth over 6 years ago | 0 | 0

Thermal Camera NYC workshop 2

by Sara over 6 years ago | 4 | 0

GO SCUM update

by liz with eymund over 6 years ago | 0 | 1

Thermal Imaging Calibration notes for NYC

by liz over 6 years ago | 1 | 2

spectrum matching

by jeffreyjoy over 6 years ago | 2 | 0

GIS and balloon mapping at UK

by Jeremy over 6 years ago | 1 | 0

indiemapper is now free

by gonzoearth over 6 years ago | 0 | 2

Georectifying in the Wetlands

by gonzoearth over 6 years ago | 0 | 0

Progress on NRG compositing from MapKnitter

by warren over 6 years ago | 0 | 0




A shared knowledge base for community science

New edit by warren about 18 hours ago - changes

Sandbox

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Microscopes

New edit by warren about 21 hours ago - changes

Oil and Gas Accountability Toolkit

New edit by koplak79 1 day ago - changes

Moderation

New edit by stevie 2 days ago - changes

OpenHour

New edit by stevie 2 days ago - changes

Host a Barnraising

New edit by warren 3 days ago - changes

Toolkits

New page by warren 7 days ago

Somerville SERC

New page by warren 14 days ago

sandbox-4

New page by warren 22 days ago

MACA

New page by warren 22 days ago

Field Studies

New page by warren 22 days ago

pearl-mini-logger

New page by liz 24 days ago

open-hour

New page by warren 24 days ago

measuring-pollen

New page by stefannibrasil 27 days ago

Call for Papers

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