question:general
question:general


Author Comment Last activity Moderation
BettyeGagner "The differential reflection in the red and infrared (IR) bands enables you to monitor density and intensity of green vegetation growth using the sp..." | Read more » almost 7 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 » almost 7 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 » almost 7 years ago
warren "Just found a good video for this: https://www.youtube.com/watch?v=qWRyZDxtZ1I " | Read more » almost 7 years ago
elongo "Thank you!! " | Read more » almost 7 years ago
liz "Hi! @LaPa (hoping to trigger a notification email to them) :) " | Read more » almost 7 years ago
warren "Hi, it depends on how big your balloon is and what it's made of. If you use a rubber balloon, it'll deflate over a day or two. If you use mylar, li..." | Read more » almost 7 years ago
gretchengehrke "The spreadsheet in this research note by Jeff could have some useful ideas for data analysis platforms, and features to consider when selecting a p..." | Read more » almost 7 years ago
rfdave "@carohowe Is Rockville close enough? I'm an experienced EE who would be happy to help build stuff " | Read more » almost 7 years ago
omarormachea "To converting the image to spectrum we are using our own developed software for android devices, the software actually is free. We developed a mini..." | Read more » almost 7 years ago
omarormachea "To converting the image to spectrum we are using our own developed software for android devices, the software actually is free. We developed a mini..." | Read more » almost 7 years ago
omarormachea "To converting the image to spectrum we are using our own developed software for android devices, the software actually is free. We developed a mini..." | Read more » almost 7 years ago
omarormachea "To converting the image to spectrum we are using our own developed software for android devices, the software actually is free. We developed a mini..." | Read more » almost 7 years ago
kanakiyab "I am also trying to figure out the exact problem. Please let me know if you have found an answer to this. Otherwise, I will have to dig deeper into..." | Read more » almost 7 years ago
cfastie "With this filter in front of your camera lens, the photos captured will include mostly near infrared light. There will be some visible light includ..." | Read more » almost 7 years ago
hanswilms "Not for me. Everytime I click "save" after clicking "calibrate" it doesn't do anything other than make the "Save" button a little circle of dots. " | Read more » almost 7 years ago
liz "hi! have you tried clicking the image and pressing the "r" key on your keyboard? ("r" is the hotkey for "rotate"!) " | Read more » almost 7 years ago
liz "Seems like this is working now? " | Read more » almost 7 years ago
warren "I'm also posting a new issue for @cfastie's suggestion: That click vanished the note I was working on which did not seem very fair. I don't know m..." | Read more » almost 7 years ago
warren "No problem, thanks for your input! That's curious about the autosave not being visible at first. I'm not sure what would've caused that but will lo..." | Read more » almost 7 years ago
DrJessie "Below are a few additional references and abstracts from Toxnet: CAS Registry Numbers:Calcium Carbonate Studies on Deposition of Submicronic Dust ..." | Read more » almost 7 years ago
MadTinker "No, never heard of Plotly. Looks interesting. . " | Read more » almost 7 years ago
gretchengehrke "Hi @MadTinker, I agree that R has awesome functionality, AND I agree with you that the learning curve is quite steep. Have you ever used Plotly? I ..." | Read more » almost 7 years ago
gretchengehrke "To add to @liz 's answer, the "criteria pollutants" are lead, ozone, sulfur dioxide, nitrogen oxides, carbon monoxide, and particulate matter. The ..." | Read more » almost 7 years ago