This could be your dashboard if you joined Public Lab

Activity


New edit by warren

remote-sensing

Changes »

about 1 hour ago | 0 | 1

New edit by gretchengehrke

Formaldehyde

Changes »

about 6 hours ago | 0 | 0

New page by gretchengehrke

Formaldehyde

about 6 hours ago | 0 | 0

New edit by warren

Peer Production Playbook

Changes »

about 9 hours ago | 0 | 0

New edit by warren

Harvey Response

Changes »

about 9 hours ago | 0 | 3

New page by warren

Peer Production Playbook

about 10 hours ago | 0 | 0

New edit by Margie

Donate

Changes »

about 10 hours ago | 0 | 6

New edit by warren

Mini Balloon Kit

Changes »

about 11 hours ago | 0 | 2

New page by warren

New Orleans Stormwater Photo Upload

about 12 hours ago | 0 | 0

New edit by warren

New Orleans Stormwater Project Data

Changes »

about 12 hours ago | 0 | 2

New edit by warren

Harvey Images

Changes »

about 13 hours ago | 0 | 2

New edit by warren

Microscopes

Changes »

1 day ago | 0 | 3

New edit by warren

Harvey Response

Changes »

1 day ago | 0 | 3

New page by warren

Harvey Images

5 days ago | 0 | 2

New page by warren

soc

12 days ago | 0 | 0

New page by warren

Hurricanes

12 days ago | 0 | 0

New page by warren

Storm response

12 days ago | 0 | 0

New page by warren

Method

12 days ago | 0 | 0

New page by warren

Methods

12 days ago | 0 | 0

New page by Zengirl2

Image Sorting

13 days ago | 0 | 1

cfastie commented on Grating angle: DVD+R

Stu, Thanks for the lesson! It’s really good to get a feeling for these concepts. I wish you ha...

21 comments » over 4 years ago

mathew commented on Kite Flying Tree

glad it came back! those trees...

2 comments » over 4 years ago

commented on Feb 20th Public Lab meetup in Somerville MA

Sound great. Is it possible to share online ? Google hangout would be an opportunity. Best regar...

11 comments » over 4 years ago

warren commented on Going with the Flow – Grassroots mapping historic streams along a Brooklyn Superfund site.

This is a really remarkable project. I love the aerial views -- especially the one showing the sk...

1 comments » over 4 years ago

straylight commented on Grating angle: DVD+R

well done cfastie, thanks for taking the time to conduct some measurements. I've been pondering o...

21 comments » over 4 years ago

Jayesh commented on Using a home-made Spectrometer to test kombucha readiness

Hi Martin, Thanks for the description and tips. I will try to implement it and will tell you res...

5 comments » over 4 years ago

BradDudenhoffer commented on The Evolution of the PLOTS Smartphone Spectrometer

I just finished posting the previous (somewhat boxy) version to Thingiverse: http://www.thingiver...

10 comments » over 4 years ago

danbeavers commented on Spectronic 20 spectrometer for comparison to our own

Post some pictures of the innards!!

3 comments » over 4 years ago

Tom_H commented on Grating angle

The basic grating equation works for transmission as well as reflection. The sign conventions ca...

14 comments » over 4 years ago

caroline commented on Feb 20th Public Lab meetup in Somerville MA

I'm excited! See you all soon!

11 comments » over 4 years ago

cbreuer commented on Feb 20th Public Lab meetup in Somerville MA

I'll be there.

11 comments » over 4 years ago

cfastie commented on Spectronic 20 spectrometer for comparison to our own

Required viewing for Spectronic 20 owners: Thanks to Nadya for discovering this one.

3 comments » over 4 years ago

cfastie commented on Grating angle

Yes, now I have it. When the entrance slit is rotated the rectangular spectral image turns into ...

14 comments » over 4 years ago

danbeavers commented on Grating angle

Chris, I am referring to the rotational alignment between the slit axis and the grating's ruling....

14 comments » over 4 years ago

ernestbolds commented on where can I get Qualitative spectrometer reading.

At this time I will just say that it is an material that is reoccurring in my immediate environme...

3 comments » over 4 years ago

warren commented on Fake alcoholic drinks

Very cool. Have you tried making a "set" of your spectra to display them together? So your test ...

2 comments » over 4 years ago

jetson commented on distance spectrometry of refineries: questions

I captured a street lamp about 150 yards away using a webcam with a DVD-R+ taped over the lens wi...

2 comments » over 4 years ago

jetson commented on Attempt at Distance Spectrometery

I replaced my spectrometer with a Logitec C310 (5MP) webcam with a DVD-R+ section taped over the ...

11 comments » over 4 years ago

warren commented on Prototype CounterTop Spectrometer Built(Works)

Did you attend the BOSSLAB thing and show it? Sorry I didn't make it.

2 comments » over 4 years ago

danbeavers commented on Attempt at Distance Spectrometery

I conjecture that you just have an alignment problem. My suggestion would be to fix the laser an...

11 comments » over 4 years ago

warren commented on where can I get Qualitative spectrometer reading.

Hi, Ernest - what kind of sample is it? A water sample? Where did it come from? What do you susp...

3 comments » over 4 years ago

Tom_H commented on Attempt at Distance Spectrometery

You can simplify this by using a single lens instead of the scope. Attach something white to eit...

11 comments » over 4 years ago

Tom_H commented on Desktop Spectrometer assembly

I have seen large differences in webcam sensitivities in this application using two different one...

4 comments » over 4 years ago

commented on Point Platte marsh restoration over time; air vs ground

I love this. I want to try to get a refuge in the northeast to participate in mapping. What was...

2 comments » over 4 years ago

pluharj commented on Public Lab Desktop Spectrometry Kit arrived

This is the IR filter, it is just slightly broken. I would remove the rest of the filter with ca...

6 comments » over 4 years ago

warren commented on Attempt at Distance Spectrometery

I think you're right -- and for many applications, we're going to need to do long-exposure imagin...

11 comments » over 4 years ago

pluharj commented on Public Lab Desktop Spectrometry Kit arrived

I think it is not possible. The filter is placed under the lens, so you need to unmount the whole...

6 comments » over 4 years ago

MarcD commented on Video tutorial: Build a $10 USB visible-light spectrometer

Thanks for the tutorial. My spectrometer is now working perfectly and this tutorial heled me a lot.

2 comments » over 4 years ago

SvanGool commented on Public Lab Desktop Spectrometry Kit arrived

I wish I had seen your picture before, I probably ruined my lens by trying to peel of the filter,...

6 comments » over 4 years ago

Tyvek Fleds, Theoretical & Actual Performance

by mathew about 6 years ago | 0 | 0

SF Gate: Man caught attempting DIY fission

by warren about 6 years ago | 0 | 2

Infrared balloon image reveals Gowanus plume

by liz about 6 years ago | 8 | 2

Using an el Camino to reel in a giant kite

by warren about 6 years ago | 0 | 2

Gowanus water absorption spectrum

by warren about 6 years ago | 0 | 0

Live spectral analysis code, good resolution

by warren about 6 years ago | 2 | 0

splitting bamboo for kites

by mathew about 6 years ago | 1 | 2

Near-infrared spectral features of Benzine

by warren about 6 years ago | 0 | 0

Gas patch Bucket Brigade work

by Sara about 6 years ago | 0 | 0

Wiki pages you'll be needing:

by Sara about 6 years ago | 0 | 0

Balloon-mapping a protest in Jerusalem

by warren about 6 years ago | 1 | 0

Balloon Mapping guide from Santiago, Chile

by Shannon about 6 years ago | 0 | 0

seamless distortion?

by gonzoearth about 6 years ago | 0 | 2

Scientists and "new" media

by Shannon about 6 years ago | 0 | 2

New Knitter features - plus UNDO

by warren about 6 years ago | 1 | 2

photoshop image distort time lapse video

by gonzoearth about 6 years ago | 1 | 0

Yet another soda bottle camera house

by gonzoearth about 6 years ago | 2 | 0

World Bank GFDRR data sharing article

by Shannon about 6 years ago | 0 | 2

3D Point Cloud

by lpercifield about 6 years ago | 4 | 2



Barnraising 2017

Join us in Cocordie this November 3-5 »


A shared knowledge base for community science

New edit by warren about 1 hour ago - changes

remote-sensing

New edit by gretchengehrke about 6 hours ago - changes

Formaldehyde

New page by gretchengehrke about 6 hours ago

Formaldehyde

New edit by warren about 9 hours ago - changes

Peer Production Playbook

New edit by warren about 9 hours ago - changes

Harvey Response

New page by warren about 10 hours ago

Peer Production Playbook

New edit by Margie about 10 hours ago - changes

Donate

New edit by warren about 11 hours ago - changes

Mini Balloon Kit

New page by warren about 12 hours ago

New Orleans Stormwater Photo Upload

New edit by warren about 12 hours ago - changes

New Orleans Stormwater Project Data

New edit by warren about 13 hours ago - changes

Harvey Images

New edit by warren 1 day ago - changes

Microscopes

New edit by warren 1 day ago - changes

Harvey Response

New page by warren 5 days ago

Harvey Images

New page by warren 12 days ago

soc

New page by warren 12 days ago

Hurricanes

New page by warren 12 days ago

Storm response

New page by warren 12 days ago

Method

New page by warren 12 days ago

Methods

New page by Zengirl2 13 days ago

Image Sorting

More »