ultraviolet
ultraviolet


Author Comment Last activity Moderation
icarito_alter "@icarito testing, please disregard if you get this " | Read more » about 9 years ago
icarito "Found in spam folder. Will route thru gmail to avoid spam rating, and then retry. Thanks! " | Read more » about 9 years ago
warren "https://github.com/publiclab/plots2/issues/203 " | Read more » about 9 years ago
warren "Thanks, Chris - we were testing a different bugfix -- there were two. This latest change fixed an issue with @callouts not triggering email sends a..." | Read more » about 9 years ago
cfastie "I got a notification of this because I now monitor the Spam folder of my gmail account. Did gmail change its policy or did Public Lab change its no..." | Read more » about 9 years ago
warren "Testing @icarito and @cfastie - pls confirm? Thanks. " | Read more » about 9 years ago
warren "@icarito - confirm? " | Read more » about 9 years ago
hank ""Kids, don't try this at home" (without eye protection ...) " | Read more » over 9 years ago
warren "@ygzstc - pointing you at this note since you've ordered some very bright UV LEDs. Oops, missed your comment mathew - we'll have to try that, thou..." | Read more » over 9 years ago
warren "Hi, check this out -- @hynae ! " | Read more » about 10 years ago
mathew "What happens if you unscrew the lens on the laser and put it in front of the LED? can you concentrate the light to make a brighter point? " | Read more » over 10 years ago
warren "Hi, Livio - I was so fascinated with your post -- where exactly did you collect a sample from, and was it soil? Water? " | Read more » over 10 years ago
warren "UV laser through a fish oil pill tested here: http://publiclab.org/notes/warren/08-14-2014/sample-container-search#c10038 " | Read more » over 10 years ago
warren "One thing I didn't understand was that they are listing the input light at longer wavelengths than the fluorescence peaks they're looking for. I wa..." | Read more » over 10 years ago
ferguspitt "Hi Josh, I'm doing some research on public labs' use of spectrometers, and I was wondering if you could confirm a few details for me? ferguspitt@co..." | Read more » over 10 years ago
warren "Hmm, do you have enough UV light? No, the sample container shouldn't matter, as long as you are seeing a glow coming from the sample. Can you post ..." | Read more » almost 11 years ago
salem "hey guys..i am trying to do the same experiment but i am not getting any result. it seems that the uv light can't enter the spectrometer in order t..." | Read more » almost 11 years ago
pwe11 "Hey guys- I'm new here and apologize if this has already been stated. If you want to see the maximum fluorescence, you must first look at its absor..." | Read more » about 11 years ago
eustatic "I'm also trying to reproduce. it's on an much longer time frame, though, than this experiment. " | Read more » about 11 years ago
warren "Note to self: found possibly-suitable boxes: http://www.uline.com/Product/Detail/S-12694BL/Retail-Boxes/9-x-6-1-2-x-2-3-4-Black-Colored-Mailers?mod..." | Read more » about 11 years ago
warren "Sorry -- he is going to try to reproduce this experiment. :-P " | Read more » about 11 years ago
warren "Scott has ordered some laser pointers and is going to try to reproduce. " | Read more » about 11 years ago
eustatic "woah! " | Read more » about 11 years ago
eustatic "cool " | Read more » about 11 years ago