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Author Comment Last activity Moderation
warren " @warren has marked @liz as a co-author. " | Read more » over 5 years ago
warren " @warren has marked @zengirl2 as a co-author. " | Read more » over 5 years ago
warren "@nshapiro @zengirl2 :smiley: ! " | Read more » over 5 years ago
warren "We built one in China, and I'lll upload info soon - soaking the rocks and charcoal took an hour but other than that, it took us maybe 30 mins more,..." | Read more » over 5 years ago
nshapiro "Hi @nickyname sorry for the delay! you can use many different size pots for this from about 6 inches to 18ish inches. In out kits we use 9.6 ounces..." | Read more » over 5 years ago
stevie "How long would you estimate it would take someone to do this who hasn't done it before (Assuming we've gathered all the materials)? " | Read more » over 5 years ago
NickyName "Is there any chance to know the exact proportion of the diameter/size of the planter/jar and the amount of activated charcoal to make it work? Tha..." | Read more » almost 6 years ago
localman "@nshapiro I went the lazy route and grabbed a few of the Plant Air Purifiers I'd be down to measure my levels - will likely revisit building my ow..." | Read more » about 6 years ago
nshapiro "Hi @localman, apologies for any confusion. Vertical (facing upwards close to the rootball) is ideal. It depends on how big your planter is whether ..." | Read more » about 6 years ago
localman "@nshapiro - Thanks for getting back to us! To clarify: a vertical (outflow facing upwards) or horizontal (outflow facing toward the root ball) are ..." | Read more » about 6 years ago
nshapiro "Thanks all! Looks like I'm late to some important comments. Thanks, @warren. I've updated the note per both of your requests. @Odie91that's a gre..." | Read more » about 6 years ago
localman "Excellent project! I've been diving into Wolverton's studies (alongside all other phyto-remediation studies) to get an idea of what options I have ..." | Read more » about 6 years ago
gretchengehrke "Hi @rajanzaveri, What sorts of concentrations and what media are you interested in measuring? Do you have more specific constraints for measurement..." | Read more » over 6 years ago
islenos "Hi Rajan! I'd love to know if you were able to figure out how to measure these compounds using the spectrometer. We are looking to measure cadmium,..." | Read more » over 6 years ago
warren "Hi, Nick, can you post the total estimated cost? Thanks!! " | Read more » almost 7 years ago
Odie91 "Hi, this is an interesting project. I'm curious, do you think it's really necessary to convert the aquarium pump from blower to suction? If you b..." | Read more » about 7 years ago
loganw "@stevie: The sensor is probably too noisy to actually work for methane. There's some further stuff that seems worth trying w/r/t noise reduction th..." | Read more » over 7 years ago
stevie "Hi! was hearing from a number of groups in CO this week about interest in low cost methane sensing. Any updates here? " | Read more » over 7 years ago
nshapiro "Absolutely! I just heard back from the UCSD guys and they spent about $200 on 10 kits including plants. Looking forward to seeing your sketches an..." | Read more » over 7 years ago
warren "Hi, Nick - i had a bunch of ideas building on the remediation kit that I'm hoping to post sketches and notes on today. Eager to hear your thoughts! " | Read more » over 7 years ago
nshapiro "i think @Zengirl2 has some ideas on this and has maybe been working on a tutorial with a low cost model. I will also ask colleagues at PIAO who mad..." | Read more » over 7 years ago
liz "how much do you think building 10 of these at a time would cost? Where might there be savings? " | Read more » over 7 years ago
mathew "I'm also interested if the same lenses and filters could be applied to a Lepton sensor-- It's primary sensitivity is in the far infrared. It appea..." | Read more » over 7 years ago
mathew "I discovered the OpenMV project has a thermopile board. I can't find a lot of documentation on it, but I found this: https://openmv.io/docs/librar..." | Read more » over 7 years ago