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New edit by michelleiL

Barnraising Florida 2023

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1 day ago

New edit by michelleiL

Barnraising Florida 2023

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1 day ago

New edit by michelleiL

Public Lab Barnraisings

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1 day ago

New page by bhamster

sandbox-getting-started

3 days ago

New edit by michelleiL

Public Lab Barnraisings

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8 days ago

New edit by michelleiL

Barnraising Florida 2023

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9 days ago

New edit by michelleiL

Barnraising Florida 2023

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9 days ago

New edit by michelleiL

Barnraising Florida 2023

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9 days ago

New edit by michelleiL

Public Lab Barnraisings

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9 days ago

New edit by michelleiL

Public Lab Barnraisings

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9 days ago

New page by michelleiL

Barnraising Florida 2023

about 2 months ago

New page by bhamster

About Tags

2 months ago

New page by bhamster

sandbox-about-tags

2 months ago

New page by fongvania

Lichen for Air Quality Biomonitoring

3 months ago

New page by bhamster

sandbox-basics

3 months ago

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sandbox-glossary

4 months ago

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sandbox-contribute

4 months ago

New page by Pat

pipelines-carrying-CO2

4 months ago

gretchengehrke commented on using soap bubbles for pump calibration almost 5 years ago

@eustatic, no worries -- Mathew got this pretty far (complete, perhaps?). The video is embedded i...

Megoptera commented on Homemade Raman spectrometer almost 5 years ago

I couldn't help notice a lack of written material, esp a numeral-labeled diagram. Hoping this is ...

eustatic commented on My DIY Formaldehyde test kit almost 5 years ago

dot

eustatic commented on using soap bubbles for pump calibration almost 5 years ago

I ended up with pump calibration kit...did i kill the momentum on this project? signs point to ye...

eustatic commented on Hydrogen sulfide badges by Morphix Technologies almost 5 years ago

i'm tagging this and mathew's volume calibration video with "h2s"

eustatic commented on Mississippi Phosphates: Better air for Alice almost 5 years ago

Here's a sample of Water from Bayou Chicot, I think, from 2016. I have to ask Howard. https://w...

eustatic commented on Mississippi Phosphates: Better air for Alice almost 5 years ago

Halter Marine is also a facility, a ship / paint stripping yard in the south of that oct 11th pho...

eustatic commented on Mississippi Phosphates: Better air for Alice almost 5 years ago

Oh, hello post. Sadly, Barbara is still at it. MS Phosphates pollutes the water, as well, which...

danbeavers commented on Depth Sensor Proposal - Experimental Results almost 5 years ago

By the tube, I assume you mean the manometer. The most accurate way to accomplish this would be ...

stevie commented on Depth Sensor Proposal - Experimental Results almost 5 years ago

great PDF write up. say someone was to mount the tube on the wall where the water changes. What m...

mrw0116 commented on an answer about Helium alternative almost 5 years ago

Chris, thanks much for these details. This gives me a much better idea of costs and how much heli...

mrw0116 commented on an answer about Helium alternative almost 5 years ago

Thanks, Warren. Good to know, but a little scary.

Johnix commented on Calibration Issues with larger images almost 5 years ago

I tried again with the same image at 1080x1440, no success. I further reduced it to 540x720, and...

Johnix commented on Calibration Issues with larger images almost 5 years ago

Hi Warren, thanks for replying. Yes, that's quite possible. The picture is 3456*4608 pixels, 1.25...

danbeavers commented on Depth Sensor Proposal almost 5 years ago

Go here to see the results from experimentation.

kgradow1 commented on Arsenic detection in well water with spectrometry almost 5 years ago

This is really exciting. Are you planning to do a flame test for this? (I'm pretty unfamiliar...

zengirl2 commented on MapKnitter map of lumcon barnraising 2017 almost 5 years ago

@eustatic This is a great example and I do believe I see sunlight glint and not oil sheen. :)

momosavar commented on Potentiostat Notes-3; WheeStat 5.1 Fabrication almost 5 years ago

Hi @jsummers I downloaded processing and exported the application. Thank you very much

warren commented on Optika Game 2 almost 5 years ago

Hi! Can you tell us a bit about your project here? Thank you, and welcome!

liz commented on Share Your Barnraising 2017 Photos! almost 5 years ago

Here is Molly's presentation on dynamics in the Linux kernel mailing list: mdb-barnraising2017-f...

liz commented on Share Your Barnraising 2017 Photos! almost 5 years ago

warren commented on Hydrogen Sulfide Dosimeter almost 5 years ago

Nice! ChemSee's H2S-KT1 contains two hydrogen sulfide dosimeters, FULL USE INSTRUCTIONS and in-l...

shanlter commented on an answer about How does Riffle compatible with 5V sensors? almost 5 years ago

Hi Dan, thanks very much! So basically, what I need is to connect (at least) DO and pH sensors to...

shanlter commented on an answer about How does Riffle compatible with 5V sensors? almost 5 years ago

Thanks very much! The link of your website is very helpful! I will try when I receive a riffle : )

oglezsa commented on an answer about Can I use a Diffraction Grating Slide Holographic 1000 lines/mm instead of the CD? almost 5 years ago

Will do. Thank You.

cfastie commented on an answer about How does Riffle compatible with 5V sensors? almost 5 years ago

Although there are sensors that require more than 3.3V, most of the simple DIY sensors are design...

cfastie commented on an answer about How does Riffle compatible with 5V sensors? almost 5 years ago

Further empirical evidence suggests that the VBAT pin delivers the voltage of the battery that is...

caufenkamp commented on Share Your Barnraising 2017 Photos! almost 5 years ago

mathew commented on Solar Hot Air Balloons almost 5 years ago

beautiful flight @suman!

Canon Powershot SD4000 repairs

by jbreen about 10 years ago

Drager Tubes use info

by Shannon about 10 years ago

Tagging and user accounts in MapKnitter

by warren about 10 years ago

Finding Helium

by gonzoearth about 10 years ago

Article on opening science

by Shannon about 10 years ago





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