answered
answered


Author Comment Last activity Moderation
warren "Geoff from NASA Goddard found a good resource here: https://www.fs.fed.us/pnw/pubs/pnw_gtr251.pdf Apparently under 1 micron! Very small. " | 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
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
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
DrJessie "Here are some helpful databases to look for information. https://sis.nlm.nih.gov/enviro.html https://www.atsdr.cdc.gov/toxfaqs/index.asp Informa..." | 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
liz "If the concentration of one or more criteria pollutants in a geographic area is found to exceed the regulated or ‘threshold’ level for one or more ..." | Read more » almost 7 years ago
MadTinker "All, My apologies, my question probably came across a bit harsh. One of those days on my end. One other observation on this particular issue that ..." | Read more » almost 7 years ago
warren "Also, a couple notes on other things you mentioned -- the main image does not get cropped, but the preview image is displayed oddly, so I can under..." | Read more » almost 7 years ago
warren "Hi, sorry, that's always frustrating -- there is an auto-save function in the rich editor which you can use to retrieve drafts -- it's under the ....." | Read more » almost 7 years ago
cfastie "When the rich text editor went live (a year or two ago?) I gave it a try. In the middle of writing my first Rich research note I couldn't figure so..." | Read more » almost 7 years ago
zengirl2 "Just want to add that if you are having problems attaching a file, definitely switch to the "legacy" editor. I found that there was a problem attac..." | Read more » almost 7 years ago
liz "wow yikes. Thanks Leslie. This is odd behavior. We will be checking it out! Do you have a time when you will be on PUblic Lab next? " | Read more » almost 7 years ago
liz "Hi @madtinker , your dedication is inspiring, and i'm so sorry that there was any difficulty presented by the website. " | Read more » almost 7 years ago
zengirl2 "I just published a note today and it was also wonky. There was some message at the top of the screen that was hovering. I had to click that off. I ..." | Read more » almost 7 years ago
MadTinker "Okay, re-accomplished the introduction. Wrote it in something else and copy/paste to avoid me screwing something up. Not sure what's been done sinc..." | Read more » almost 7 years ago
MadTinker "1) tried to load image for header. Tried both drag-drop and up-load. Both sorta worked, but image was severely cropped to the point of being useles..." | Read more » almost 7 years ago
liz "Hi MadTinker, SO sorry to hear about your work lost. Really feel terrible and want to help. I'm not sure why the publish button was not active...if..." | Read more » almost 7 years ago
warren "Hi Chris - yeah i would be surprised if it's actually different, these almost all seem like the same hardware in different cases. I have found some..." | Read more » almost 7 years ago
cfastie "Here is a strange development. This action camera has a 1MP sensor. It is a 1/4" sensor which has an area of 10 square mm. The native image size is..." | Read more » almost 7 years ago
gretchengehrke "That's true Chris @cfastie! You read through to the heart of my internal question on this too: is it worth it to try to hack commercially available..." | Read more » almost 7 years ago
cfastie "Gretchen, It looks like some of the sensors in the Water Sensor wiki could be hacked to work with an Arduino based data logger, but you would want..." | Read more » almost 7 years ago