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sandbox-community-microscope-kit-revamp

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Infragram Pi Camera

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OpenHour

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Paper Spectrometer

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Sandbox projects

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sandbox-sitemap

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sandbox-sitemap

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sandbox-sitemap

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sandbox-sitemap

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Host a Barnraising

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Public Lab Barnraisings

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Website Basics

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Urban greening in Nottingham

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The Sand Sentinel Program

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sandbox-community-microscope-kit-revamp

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suman commented on GoPro Hero HD first version- Making full spectrum( Removing IR filter) over 2 years ago

Dear Warren, This is the first version of GoPro Hero HD without screen not Hero 2 (although it...

warren commented on Designing Tools for Learners (Not Users) over 2 years ago

Ok - less in your brain maybe needs more elaboration: how about "remembering to leave contextual ...

warren commented on Designing Tools for Learners (Not Users) over 2 years ago

or is it oriented towards the ongoing development of a "beginner's mind"? Love this! That even i...

hagitkeysar commented on Designing Tools for Learners (Not Users) over 2 years ago

Thanks for copying me in this discussion! I especially like the direction you are taking here - y...

yusufm commented on Can we use rPi camera for fluorescence measurement in plants over 2 years ago

Flourescence is not very bright nor too low (depends how much dye i inject), emission in green ba...

warren commented on GoPro Hero HD first version- Making full spectrum( Removing IR filter) over 2 years ago

Via @wildintellect on the plots-infrared discussion list: Replace the lens, there are several af...

kanarinka commented on Designing Tools for Learners (Not Users) over 2 years ago

@warren - I love this - "I'm thinking that if we design as if all technology is for newcomers, it...

kanarinka commented on Designing Tools for Learners (Not Users) over 2 years ago

Thanks @Cindy_Excites - these are super resources and I have not seen them previously. I wonder h...

stevie commented on an answer about Is there any way to figure out how much water can be absorbed by different ground covers? over 2 years ago

Hi Chris! Sorry I didn't get a notification you wrote in here, so just seeing this now (off to Gi...

stevie commented on How do environmental monitoring methods become recognized or official by US regulatory agencies? over 2 years ago

RE:: @DavidMack posting your resource as an answer to the question. Thanks for sharing:: see "Gu...

cindy_excites commented on Designing Tools for Learners (Not Users) over 2 years ago

Hello @kanarinka I couldn't access the paper to read it (their sever seems to be having issues ri...

mathew commented on Sizing particles in microscope images at Portland Science Hackday over 2 years ago

That is an interesting question. I think the laser would get rid of chromatic aberration-- its a...

GreenHunan commented on Impressive stats from GreenHunan over 2 years ago

Thank you for your detailed introduction! This is Phil volunteering for Green Hunan, and we are l...

GreenHunan commented on 拓展diy净水组件 over 2 years ago

Hi there, thanks for sharing! May I ask if this kit can be used for educational purposes?

marlokeno commented on Sizing particles in microscope images at Portland Science Hackday over 2 years ago

Hi, @mathew and @SimonPyle - Terrific work! After seeing the demonstration mathew gave at the b...

marlokeno commented on Silica (frac) Sand Research over 2 years ago

Hi, @bkleist- One thought regarding the moisture obscured lens-if the camera is in an enclosure, ...

FrankA commented on Mobius NDVI over 2 years ago

https://youtu.be/Vff--FWRfTo addendum how to file : sorry about the Clip quality.... NEW clip to...

warren commented on Reduce light inside foldable PL spectrometer over 2 years ago

Oh great! Do check out this node.js lib designed originally for work in a raspberry pi! https://...

xose commented on Reduce light inside foldable PL spectrometer over 2 years ago

By the way, the research on the foldable spectrometer got a little bit delayed because of this. B...

xose commented on Reduce light inside foldable PL spectrometer over 2 years ago

Hey @warren It was a pleasure to assist to the inner workings of the lab and really great info to...

warren commented on WebJack: Testers needed! over 2 years ago

Well, just asking about the positive pin shown on the Fritzing diagram -- 5 volts -- which is not...

rmeister commented on WebJack: Testers needed! over 2 years ago

Not sure what 5V pin you mean, but yes a 4-pin cable is need to connect to the microphone input o...

warren commented on Web-based fisheye-removal prototype for correcting lens distortion over 2 years ago

Hi, i dug into the code a bit and found the section I think we need to modify, but it's WebGL, an...

warren commented on Web-based fisheye-removal prototype for correcting lens distortion over 2 years ago

Indeed, i used Scott's posted images and got the same issues. But then I tried cropping them to ...

warren commented on Reduce light inside foldable PL spectrometer over 2 years ago

Hello @xose! Very glad to meet you over audio today. I came across this: https://quitter.se/noti...

warren commented on WebJack: Testers needed! over 2 years ago

Hi, I noted that on the WebJack page, the illustration shows the use of the 5v pin, but here it's...

warren commented on Web-based fisheye-removal prototype for correcting lens distortion over 2 years ago

Cool, thanks. I took a pic of a grid with my Mobius (an old one, i'm not actually sure of the len...

eustatic commented on Web-based fisheye-removal prototype for correcting lens distortion over 2 years ago

See https://publiclab.org/notes/eustatic/11-11-2014/a-method-for-distorting-mobius-action-cam-ima...

SimonPyle commented on Automating ImageJ for particle image analysis over 2 years ago

@warren: The link above was the most recent version, though I just added a GNU GPLv3 license and ...

Wetlands erosion in Bayou St Denis, Louisiana

by warren almost 8 years ago | 0 | | 2,084 | 2

Plume spectrometry test in Garfield County

by warren almost 8 years ago | 0 | | 1,768 | 2

Prototype H2S sensor

by warren almost 8 years ago | 0 | | 235 | 0

EPA hazard review of toxic chemicals stalled

by Shannon almost 8 years ago | 0 | | 13 | 2

Hydrogen sulfide sensing brainstorm

by warren almost 8 years ago | 0 | | 1,124 | 0

The arduino patch for detecting Hydrogen Sulfide

by bha almost 8 years ago | 0 | | 163 | 0

The gas leak from an old apartment.

by bha almost 8 years ago | 8 | | 117 | 0

Hydrogen Sulfide Dosimeter

by sara almost 8 years ago | 1 | | 130 | 1

Hydrogen Sulfide tarnishing Silver

by sara almost 8 years ago | 0 | | 1,605 | 0

Conversion from µg/m3 to ppm hydrogen sulfide

by sara almost 8 years ago | 2 | | 5,860 | 1

Hydrogen Sulfide Information on the Gas

by sara almost 8 years ago | 0 | | 456 | 0

Open Hardware SCHOLARSHIP - deadline sept 14th

by warren almost 8 years ago | 0 | | 1,282 | 2

Arduino + Figaro hydrogen sulfide sensor

by warren almost 8 years ago | 1 | | 601 | 0

Hydrogen sulfide detection for fart detector

by warren almost 8 years ago | 0 | | 214 | 1

Steps towards DIY Spectrometry

by warren almost 8 years ago | 0 | | 198 | 0

Several new spectra from food samples

by warren almost 8 years ago | 0 | | 69 | 0

Tail design variation on soda bottle rig

by warren about 8 years ago | 2 | | 55 | 2

A new camera capsule tail

by warren about 8 years ago | 0 | | 1,249 | 0

UAVs and Agriculture

by gonzoearth about 8 years ago | 0 | | 43 | 2

I sent the article to clippings too...

by adam-griffith about 8 years ago | 0 | | 66 | 0







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infragrampi

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Infragram Pi Camera

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OpenHour

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Paper Spectrometer

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Sandbox projects

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sandbox-sitemap

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sandbox-sitemap

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sandbox-sitemap

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Host a Barnraising

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Public Lab Barnraisings

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Website Basics

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The Sand Sentinel Program

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sandbox-streamline-coqui

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Notifications

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