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Public Lab Community Newsletter

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Soil Testing Toolkit

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谷仓聚会 Barnraising Guangzhou, China

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PurpleAir

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cfastie commented on How do I set a custum white balance of the NoIR modulo cam?

Black surfaces do not reflect much light, but they do reflect some. Some black surfaces might ref...

25 comments » over 2 years ago

eatabean commented on Tales from the Cryptogam

Martenskram, I am in Västerås, where in Sweden are you? We have birch, pines, firs, and some hard...

3 comments » over 2 years ago

martenskram commented on A proposal for a way to remediate indoor silica dust

I hate to be pessimistic, but even a medium efficiency supply air filter is probably more effecti...

10 comments » over 2 years ago

poo commented on How do I set a custum white balance of the NoIR modulo cam?

hi. I have a question. when I set a black paper or black thing in custom white balance, and then ...

25 comments » over 2 years ago

marlokeno commented on A proposal for a way to remediate indoor silica dust

@eustatic -the graphic comes from a 1996 OSHA campaign, under then-sect'y of Labor, Robert Reich,...

10 comments » over 2 years ago

eustatic commented on Coal Ash and Citizen Monitoring

would a conductivity reading help indicate the presence of metals? I've only ever done bottle sa...

3 comments » over 2 years ago

eustatic commented on Replicating a Passive Dust Monitor & Method

awesome effort.

4 comments » over 2 years ago

eustatic commented on When $100,000 is not enough: how citizen data (could) relate to government regulation

What EPA Regions are the previous 4 examples of citizen enforcement? EPA's attention is a limite...

2 comments » over 2 years ago

eustatic commented on Air Plant Bio Bubbler

Aw, thanks! I also have the 100 gallon pump throttled way down. 100 gallon pump is much bigger ...

3 comments » over 2 years ago

nsugis commented on MapKnitter map of Snow Namseoul

Hi, still I can't find the red button. Could you delete this whole page? I do not have any perm...

4 comments » over 2 years ago

liz commented on MapKnitter map of Snow Namseoul

hi there, When you are logged into mapknitter, click the Images tab and you will see the red butt...

4 comments » over 2 years ago

liz commented on Oil Testing Beta --plus Grand Isle tar

Fantastic and entertaining write-up @eustatic -- thanks all!

3 comments » over 2 years ago

nsugis commented on MapKnitter map of Snow Namseoul

Hi, I uploaded the image files, several times. But, I don't know why it was not displayed. And I ...

4 comments » almost 3 years ago

marlokeno commented on Air Plant Bio Bubbler

Elegant, wonderfully simple. I'm going to make one. Also, thought-provoking.

3 comments » almost 3 years ago

Becki commented on Tracking Oil Trains Using RFIDs

Came across this project in our own back yard via an OPB story today. Seems like they'd be likely...

3 comments » almost 3 years ago

donblair commented on Riffle Beta Release: Feature Freeze this Friday! (12/11)

Thanks for the heads up @mathew -- I've replaced the previous links with a more stable link to th...

3 comments » almost 3 years ago

donblair commented on Riffle CT (Conductivity & Temp) Beta Design: Electronics, Enclosure, Probes, Data Collection

Note: fixed the broken link to the riffle datalogger, above. Cheers!

16 comments » almost 3 years ago

tonyc commented on chosing a mobius camera to offer through kits store

Couple things. I realized the mobius with the new lenses can be focused manually, just by screwin...

5 comments » almost 3 years ago

mathew commented on Riffle CT (Conductivity & Temp) Beta Design: Electronics, Enclosure, Probes, Data Collection

re: do we need to pop the thermistor outside the cap? the smallest , most easily filled hole wou...

16 comments » almost 3 years ago

mathew commented on Riffle CT (Conductivity & Temp) Beta Design: Electronics, Enclosure, Probes, Data Collection

files above didn't prep for print right. Updated: riffle-blank2.zip

16 comments » almost 3 years ago

mathew commented on Riffle CT (Conductivity & Temp) Beta Design: Electronics, Enclosure, Probes, Data Collection

here are some blanks for the riffle+CT board housing-- just a rectangle that is 134mm with screw ...

16 comments » almost 3 years ago

mathew commented on Riffle Beta Release: Feature Freeze this Friday! (12/11)

currently the schematic links to github are broken. @donblair can you re-link please?

3 comments » almost 3 years ago

liz commented on MapKnitter map of Snow Namseoul

Hi @nsugis, Exciting to see this map of Seoul! I actually can't see the pictures though -- did th...

4 comments » almost 3 years ago

majer commented on New Orleans Water Quality Meet-up

me to :)

6 comments » almost 3 years ago

Matej commented on Public Lab Tote Bags just in!

wow!!! I want one!!! :-D

2 comments » almost 3 years ago

eustatic commented on A Homemade Cost Effective Raman Spectrometer with High Performance

neat. a new role for green lasers?

14 comments » almost 3 years ago

eustatic commented on PureLab:Experiment and Installing Record In Banmentun

very cool. good question regaring the water pressure control, I've often wondered that myself.

3 comments » almost 3 years ago

Matej commented on Separating Oil from Water by Freezing the Water Part 2

Hi Jeff. I took triplicate spectra of each oil, before mixing it with water and after recovering ...

3 comments » almost 3 years ago

doctek commented on Silhouette cut Public Lab Mobile spectrometer v2

Thanks for this clever design! I made this using my Portrait and the only cardstock I had handy: ...

6 comments » almost 3 years ago

Berkeley Kite Festival

by gonzoearth about 6 years ago | 2 | | 0

Easy ways to make precise maps

by megan about 6 years ago | 0 | | 0

Putting together H2S Test Kit

by megan about 6 years ago | 2 | | 1

Thermal Imaging with RH Workshop's Camera

by mathew about 6 years ago | 0 | | 1

Wing Simulation Programs from Laboratori d'Envol

by mathew about 6 years ago | 0 | | 0

Doing NDVI in one camera

by mathew about 6 years ago | 1 | | 0

Next Round of Experiments

by megan about 6 years ago | 14 | | 0

L E A F F E S T

RSVP

Event by cfastie about 6 years ago | 1 | | 0

NYC lab warming

by liz about 6 years ago | 1 | | 2

a cheap picavet for any shooting angle

by mathew about 6 years ago | 1 | | 0

Live from the Pfizer warehouse

by oscarbrett about 6 years ago | 1 | | 2

Spectrometer Kickstarter on Mashable

by cfastie about 6 years ago | 1 | | 2

Flyers or leaflet

by Ola New Contributor about 6 years ago | 3 | | 0

Public Lab community newsletter 8.31.12

by Shannon about 6 years ago | 0 | | 2

laser-cut picavet for PET bottle rig

by mathew about 6 years ago | 0 | | 0

Testing coffee spectra at Toscanini's

by warren about 6 years ago | 2 | | 0

This is not a thermal photo but it could be...

by warren about 6 years ago | 3 | | 1

Refractometer: hands on

by warren about 6 years ago | 3 | | 2

Spectral yeast tests at Mystic Brewery

by warren about 6 years ago | 3 | | 1

Spectrometry discussion across the web

by warren about 6 years ago | 11 | | 0

DIY Spectrometer Kickstarter launched!

by warren about 6 years ago | 0 | | 0

Cris Benton on TWiT

by cfastie about 6 years ago | 1 | | 0

Jerusalem

by hagitkeysar about 6 years ago | 0 | | 1

Sweet new SpectralWorkbench capture interface

by warren about 6 years ago | 0 | | 0

Global helium shortage

by cfastie about 6 years ago | 1 | | 0




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Soil Testing Toolkit

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UI Feedback Template

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wheetrometer

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Leaflet Environmental Layers

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GCI Possible Tasks :

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Community

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