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Microscopes

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Harvey Response

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DustDuino

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Irma

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Harvey Response

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Harvey Images

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Sandbox

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Events

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Harvey Images

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Harvey Images

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Irma

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soc

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Hurricanes

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Storm response

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Method

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Methods

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Image Sorting

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Water Sampling

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Soil Sampling

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Sampling

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Rafael13 commented on Air quality egg in my kitchen

Estás en lo cierto, pero mi opinión es que lo pongas en la cocina porque ahí recibirá distintas c...

6 comments » over 4 years ago

John_Wells commented on Clockwork Picavet

An electronic switch from ebay: http://www.ebay.co.uk/itm/130364162243?ssPageName=STRK:MEWNX:IT&a...

4 comments » over 4 years ago

Gerhard34 commented on First Measurement with Public Lab Desktop Spectrometry Kit

Hi Chris, I'm trying to following your advice to avoid overexposure and wondering about the diffe...

8 comments » over 4 years ago

warren commented on intensity calibration

The "HDR" approach to expanding the dynamic range with a banded mask seems very promising -- we o...

29 comments » over 4 years ago

warren commented on John Wells Near IR conversion for 808 HD Cams

Hey John! I just wanted to say that we are the biggest fans of your work!!

5 comments » over 4 years ago

John_Wells commented on John Wells Near IR conversion for 808 HD Cams

Update: http://www.armadale.org.uk/balloonphotography.htm

5 comments » over 4 years ago

warren commented on Passenger Pigeon shots of MSY to PHX

Will try to get to them soonish. I was also thinking we could call out on the grassroots mapping ...

5 comments » over 4 years ago

commented on H2S strip placement in Bayou Sauvage NWR, Orleans Parish, LA

I volunteer some of my time to help nonprofits with their websites. I worked in IT for 23 years a...

7 comments » over 4 years ago

warren commented on Calibration for non-webcam users?

Hi, Frank - can you link to your data? Perhaps this is a wider research question which merits it'...

5 comments » over 4 years ago

patcoyle commented on Initial experience: SX260HS with gps

Juan, I only have a few minutes on the SX260 battery when gps is on (~16 minutes during test fli...

6 comments » over 4 years ago

danbeavers commented on Getting Ready to Start Building.

That sounds real interesting! I had never thought to use the microphone as temperature input. K...

4 comments » over 4 years ago

warren commented on intensity calibration

Hi, Owlonastick - i wonder if we could make use of one of those by contacting an optics lab or so...

29 comments » over 4 years ago

Juan commented on Initial experience: SX260HS with gps

Pat, I have a couple of questions about your experience: what is your opinion about SX260 batt...

6 comments » over 4 years ago

danbeavers commented on Initial experience: SX260HS with gps

My understanding of GPS is that the altitude accuracy is largely dependent on the stability of th...

6 comments » over 4 years ago

owlonastick commented on intensity calibration

I guess I'm way too late to weight in on this but perhaps I can contribute something. At my work...

29 comments » over 4 years ago

warren commented on Air quality egg in my kitchen

What kinds of things can the Egg detect? if you burn something on the stovetop, will it detect ca...

6 comments » over 4 years ago

Samuel13 commented on Air Quality Egg in CHCS Classroom

I couldn't find anybody else's so I am going to comment on yours. Since there are Windows nearby,...

1 comments » over 4 years ago

spectralod commented on Ebert

How do you calibrate anything? I haven't figured this out yet. I don't have 3 blue wavelengths to...

15 comments » over 4 years ago

Jalexa13 commented on Air quality egg in my kitchen

In my opinion, the reasons you chose those two locations we're very important reasons. The locati...

6 comments » over 4 years ago

cfastie commented on Opening up a Spectronic 20

The optical diagram for the Spectronic 20 from here. It has two lenses. Below, the optical diag...

7 comments » over 4 years ago

Tom_H commented on Grating angle: DVD+R

I was able to get a copy of the article. From a brief scan it looks very pertinent to what we are...

21 comments » over 4 years ago

commented on Feb 20th Public Lab meetup in Somerville MA

I'll try to make it - is there parking nearby?

11 comments » over 4 years ago

straylight commented on Grating angle: DVD+R

Chris, you said: "At certain grating angles, it is not possible to see a sharp image of the spec...

21 comments » over 4 years ago

straylight commented on SpectraOnline.com spectrum searching

uhm, that is very good news. searching the database manually is painfully slow ! well done, than...

4 comments » over 4 years ago

Frank.Williams.3 commented on Calibration for non-webcam users?

Ok, so I've got my "hand held" going. Now, I am using distilled water to get my media baseline. I...

5 comments » over 4 years ago

commented on Feb 20th Public Lab meetup in Somerville MA

See you tomorrow!

11 comments » over 4 years ago

warren commented on Bayou Bienvenue Main Outfall Canal. New Orleans, Louisiana.

Were there no images of the northeastern infill area? I thought that was part of what Scott was l...

1 comments » over 4 years ago

warren commented on Bayou Bienvenue Kite Mappers

That was a rough day! Lots of treetrunks underwater hitting you in the butt unexpectedly. No wond...

1 comments » over 4 years ago

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

The gas leak from an old apartment.

by bha about 6 years ago | 8 | 0

Hydrogen Sulfide Dosimeter

by Sara about 6 years ago | 0 | 0

Hydrogen Sulfide tarnishing Silver

by Sara about 6 years ago | 1 | 0

Conversion from µg/m3 to ppm hydrogen sulfide

by Sara about 6 years ago | 2 | 1

Hydrogen Sulfide Information on the Gas

by Sara about 6 years ago | 0 | 0

Open Hardware SCHOLARSHIP - deadline sept 14th

by warren about 6 years ago | 0 | 2

Arduino + Figaro hydrogen sulfide sensor

by warren about 6 years ago | 1 | 0

Hydrogen sulfide detection for fart detector

by warren about 6 years ago | 0 | 0

Steps towards DIY Spectrometry

by warren about 6 years ago | 0 | 0

Several new spectra from food samples

by warren about 6 years ago | 0 | 0

Video tutorial: Soda bottle rig mods by Pat Coyle

by warren about 6 years ago | 0 | 3

Tail design variation on soda bottle rig

by warren about 6 years ago | 2 | 2

A new camera capsule tail

by warren about 6 years ago | 0 | 0

UAVs and Agriculture

by gonzoearth about 6 years ago | 0 | 2

I sent the article to clippings too...

by Adam-Griffith about 6 years ago | 0 | 0

BBC on PLOTS: How to create your own aerial map

by warren about 6 years ago | 0 | 2

PLOTS map tools walkthrough

by gonzoearth about 6 years ago | 1 | 2

Env. Justice mandate strengthened

by Shannon about 6 years ago | 0 | 2

Adjustable 555-based shutter trigger circuit

by mathew about 6 years ago | 0 | 1

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



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A shared knowledge base for community science

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Microscopes

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Harvey Response

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DustDuino

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Irma

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Harvey Response

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Harvey Images

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Sandbox

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Events

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Harvey Images

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Harvey Images

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Irma

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soc

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Hurricanes

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Storm response

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Method

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Methods

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Image Sorting

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Water Sampling

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Soil Sampling

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Sampling

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