Check out our store for discounts and new items, & thanks for your support in 2017!


This could be your dashboard if you joined Public Lab

Activity


New edit by warren

Contributing to Public Lab Software

Changes »

3 days ago | 0 | 3

New edit by stevie

Data Logging

Changes »

3 days ago | 0 | 5

New edit by stevie

OpenHour

Changes »

3 days ago | 0 | 15

New edit by warren

Kits Artwork

Changes »

4 days ago | 0 | 2

New page by warren

Giving Tuesday

4 days ago | 0 | 0

New edit by warren

Membership

Changes »

4 days ago | 0 | 2

New edit by warren

Spectrometry Sampling

Changes »

4 days ago | 0 | 4

New page by warren

Reagents

4 days ago | 0 | 0

New edit by warren

Oil Testing Kit

Changes »

5 days ago | 0 | 7

New page by warren

dssk

5 days ago | 0 | 0

New page by stevie

Blog

10 days ago | 0 | 1

New page by stevie

Barnraising 2017

10 days ago | 0 | 0

New page by warren

Use a DIY spectrometer from Public Lab

15 days ago | 1 | 0

New page by warren

Project page template

16 days ago | 0 | 0

New page by stevie

Host an Issue Brief workshop

24 days ago | 0 | 0

New page by warren

Issue Brief Template

24 days ago | 0 | 1

stoft commented on In Search of Spectrometer Measurement and Calibration

Stu, thanks. Yes, there's still much to be understood about the performance limitations. Jeff, t...

6 comments » over 4 years ago

commented on Help with spectrophotometer

Had the same problem! I didn't built my spectrometer yet but i was testing my webcam with the spe...

9 comments » over 4 years ago

commented on Mobile (Android) version of Spectral Workbench

Perfect illustration thanks for this useful and informative share. logo design

28 comments » over 4 years ago

commented on Webcam Conversion to (Near-) Infrared

You should take some test shots of trees and grass outside. That's when you'll see the most dram...

35 comments » over 4 years ago

warren commented on Superblue

I've been modifying lots of cameras with the new superblue filter (using the Rosco filter you sen...

31 comments » over 4 years ago

nedhorning commented on The Scottish National Aerial Photography Scheme

Hi John, It's great to see you posting on this forum. Your experience and enthusiasm are much ap...

2 comments » over 4 years ago

warren commented on Qualitative Comparison of Percent Transmittance of Three Energy Drinks: Do the concentrations of red food coloring in energy beverages differ?

Hi, Natalie - The main mercury lines of a CFL are completely stable -- it's the smaller europium ...

5 comments » over 4 years ago

ives commented on Youth Mapping Experiences

Do you have a tutorial about how to build a delta kite? Tks

3 comments » over 4 years ago

cfastie commented on Invisible Rays

Brother Will, who sent me the lantern slides, asked a good question today: What is a lantern slid...

4 comments » over 4 years ago

natalie.orms commented on Qualitative Comparison of Percent Transmittance of Three Energy Drinks: Do the concentrations of red food coloring in energy beverages differ?

Warren, We did use a compact fluorescent bulb to calibrate, although I wonder at the effectivene...

5 comments » over 4 years ago

patcoyle commented on Invisible Rays

Chris, what a thoughtful and informative piece. Delightful that you also had the R. W. Wood, infr...

4 comments » over 4 years ago

mathew commented on Crowd-Source Balloon Mapping @ The New Museum's "IDEAS CITY" Fest

Thanks Oscar! Just want to link to your awesome writeup on the system from Grassroots Mapping For...

1 comments » over 4 years ago

commented on better adjustable camera mount?

Salutations je suis tombé sur votre site et j'ai jeté un coup d'oeil à quelques articles et bel s...

1 comments » over 4 years ago

eustatic commented on Cuvettes leak if theyre not held upright

I ordered 30 of these, they are way expensive at $1.7 a pop but i beleve the stopper bottle would...

1 comments » over 4 years ago

chem350vsap commented on The comparison of DVD and CD using halogen, incandescent, and fluorescent lamps

@cfastie Thank you for the comment, and we do agree that it was quite an interesting project, and...

4 comments » over 4 years ago

Juan commented on Solar Hot Air Balloons

Updated link to Bayferrox pigment: http://bayferrox.com/fileadmin/pdf/IPG/00672017_000_BF-330-EN...

18 comments » over 4 years ago

commented on Attempt at Quantitative Analysis for Desktop Spectrometer

Thanks for your note, straylight. The indicator was a horrible choice. It was on the lab bench w...

8 comments » over 4 years ago

straylight commented on Limits on Flame Spectra

thanks summers, great info and duly noted ! stu

7 comments » over 4 years ago

straylight commented on Attempt at Quantitative Analysis for Desktop Spectrometer

I've just stumbled upon this, so sorry for the delay in responding. cfastie has pretty much naile...

8 comments » over 4 years ago

warren commented on iFarm (Imaging For Agricultural Research and Management) field day

I'll definitely be there!

2 comments » over 4 years ago

gbathree commented on Photosynq - measuring plant health across the world

Yes, it's a little confusing - that's actually one of the hurdles is to quickly and easily explai...

4 comments » over 4 years ago

warren commented on Fresh Kills Balloon Mapping

Hi, Nick - did you fly kites at all? Usually I won't fly balloons in anything but perfectly calm ...

2 comments » over 4 years ago

karenv commented on Kite Mapping Near Pilgrim Power Plant

While we knew construction was happening at the site (based on aerial photos we acquired back in ...

3 comments » over 4 years ago

warren commented on Photosynq - measuring plant health across the world

Wow! Sorry, this looks really cool, but what is the device pictured above? Is that a cuvette in ...

4 comments » over 4 years ago

Juan commented on CEDAPS realiza Oficina de Mapeamento em Eusébio, Ceará

Probando letras con tilde: Eus??bio, Cear??

5 comments » over 4 years ago

warren commented on Superblue

I've been messing with different NDVI gradients, and have been trying to get one which shows "coo...

31 comments » over 4 years ago

warren commented on Registering and processing photos acquired from two cameras

Hi, ned - do you have the original image pair for the lead image on this page? I'm hoping to use ...

9 comments » over 4 years ago

warren commented on Redesign of the Foldable Mini-Spectro to hold a cuvette

Apologies for the character rendering; it's a known bug we're trying to resolve: https://github.c...

7 comments » over 4 years ago

warren commented on Doing it Yourself: Kite-mapping… an activity for the ‘privileged’?

The tools were using are getting easier and less time consuming to use - partially through our le...

6 comments » over 4 years ago

geobduffy commented on Rosco!

Thank you for sharing this information. Your results are very promising. I am struggling to come ...

9 comments » over 4 years ago

Dual camera KAP rig

by cfastie almost 6 years ago | 13 | 0

WSJ: "U.S. to Trim Commercial-Satellite Use"

by gonzoearth almost 6 years ago | 0 | 2

KAP Flight over Pacifica State Beach, CA

by MicheleTobias almost 6 years ago | 3 | 2

Testing wines with UV-visible spectrometry

by warren almost 6 years ago | 0 | 0

Thermal flashlight temperature key

by warren almost 6 years ago | 2 | 2

Selecting Kite Flight Launch Sites in Centerville

by Olivia almost 6 years ago | 1 | 2

Ultraviolet spectroscopy test at ~350nm

by warren almost 6 years ago | 2 | 0

Artisanal Kite Mapping: Villa Maria, Lima, Peru

by anita almost 6 years ago | 6 | 0

Tracking contributions to open source projects

by warren almost 6 years ago | 0 | 0

Common cathode variant of Thermal Flashlight code

by warren almost 6 years ago | 0 | 0

Temperature during Thatchmore Farms flight

by warren almost 6 years ago | 0 | 2

Press coverage at UKY

by Jeremy almost 6 years ago | 2 | 2

Thatchmore farms hypr3d model

by warren almost 6 years ago | 4 | 0

SPECTRAL LINE CALIBRATION

by xiphmont almost 6 years ago | 6 | 2

Anticipating sea-level rise in Louisiana

by Shannon almost 6 years ago | 1 | 2

Circuit Diagrams for 5V Melexis Sensor

by Sara almost 6 years ago | 7 | 0

Infrared photography sketches

by warren almost 6 years ago | 0 | 0

Recent citizen/open science articles

by warren almost 6 years ago | 0 | 2

Air-testing hamster ball progress

by warren almost 6 years ago | 0 | 0




A shared knowledge base for community science

New edit by stevie 3 days ago - changes

Data Logging

New edit by stevie 3 days ago - changes

OpenHour

New edit by warren 4 days ago - changes

Kits Artwork

New page by warren 4 days ago

Giving Tuesday

New edit by warren 4 days ago - changes

Membership

New edit by warren 4 days ago - changes

Spectrometry Sampling

New page by warren 4 days ago

Reagents

New edit by warren 5 days ago - changes

Oil Testing Kit

New page by warren 5 days ago

dssk

New page by stevie 10 days ago

Blog

New page by stevie 10 days ago

Barnraising 2017

New page by warren 16 days ago

Project page template

New page by stevie 24 days ago

Host an Issue Brief workshop

New page by warren 24 days ago

Issue Brief Template

More »