Comments

Author Comment Last activity Moderation
cfastie "The response from Pix4D does not seem to be well informed. With a Wratten 25A filter, NIR and little else will be captured in the blue channel and ..." | Read more » over 9 years ago
cfastie "These are really interesting results. The method in the video of computing an index is not required if you use Ned's Fiji plugin. It will compute N..." | almost 10 years ago
cfastie "That's a great photo. Newtown Creek looks inviting. The smog looks just the way smog is supposed to look. The brown tint is from NO and NO2 which i..." | Read more » almost 10 years ago
cfastie "Those Ron Thompson Carp poles are excellent tools. The trick to mounting a camera on these long poles for mapping (nadir photos) is to get the came..." | Read more » almost 10 years ago
cfastie "Hi Giovanni, I posted a response at the plots-infrared Google group: https://groups.google.com/forum/#!topic/plots-infrared/l_dZKqFLGRE Chris " | Read more » almost 10 years ago
cfastie "This is the best story ever of jumping into a Public Lab tool and making it better. This great video should be embedded in the research note above:..." | Read more » almost 10 years ago
cfastie "Dustin, this is a great question. I haven't used a PhotosynQ , but it should be good at making a few different measurements that provide a robust i..." | Read more » almost 10 years ago
cfastie "This is a great discussion, and of a type that is rare on this site. Usually the question being asked, the methods used to answer it, and the resul..." | Read more » almost 10 years ago
cfastie "Bob, this is a great idea. A secret admirer sent me one of these and I was very excited. I didn't know that any mortal could order them for only $3..." | Read more » almost 10 years ago
cfastie "Guillaume, Moving the entrance slit farther from the grating might help. I found that the grating does not have to be angled so sharply when the gr..." | Read more » almost 10 years ago
cfastie "Guillaume, That was a great idea to allow adjustments to the angle of the slit and grating. You should be able to find positions that produce very..." | Read more » almost 10 years ago
cfastie "This is a good definition of the problem: "..sensors be exchanged easily between bottles and; caps seal between sensors and bottles with cheap, of..." | Read more » almost 10 years ago
cfastie "He didn't listen when they told Thomas Edison "You've tried enough filaments." He didn't listen when they told George Washington Carver "We don't n..." | Read more » almost 10 years ago
cfastie "I agree with jwms that the two go together, and I don't quite understand the distinction between the two. Found objects rarely fit the need perfect..." | Read more » almost 10 years ago
cfastie "This is great information. I don't know of any comparisons between DVD-R and DVD+R Do you think either will work for making a grating? Some DVDs a..." | Read more » almost 10 years ago
cfastie "Orangey yellow is good for blue filtered Infragrams. Turquoise blue is good for red filtered infragrams. Gray is bad. Below is a good red filtered ..." | Read more » almost 10 years ago
cfastie "Please note at upper left the response to this note. https://publiclab.org/notes/cfastie/12-24-2014/potent-potable-puzzle " | Read more » almost 10 years ago
cfastie "Ho, Ho, Ho! . Oh, maybe you meant something else by spirit? " | Read more » almost 10 years ago
cfastie "...if the grooved side of the DVD diffraction grating is either facing towards or away from the camera... I experimented with that once, although I..." | Read more » almost 10 years ago
cfastie "I agree that this material is more appropriate for a wiki than a note, but I wanted people to see it. Such a wiki should be built by somebody at P..." | Read more » almost 10 years ago
cfastie "Thanks Bryan. You're right that NDVI rose to fame as a satellite and airborne tool, and has only recently been used more widely at close range. It ..." | Read more » almost 10 years ago
cfastie "Thanks Greg, that helps a lot. I'm just getting a feeling for how complicated the fluorescence measurements are. It looks like fluorescence will be..." | Read more » almost 10 years ago
cfastie "Is it necessary to isolate the yeast in order to use it for brewing? During the fermentation process, more than one species of microbe could be pre..." | Read more » almost 10 years ago
cfastie "Greg, that’s very exciting progress. Your new summary of all the measurements that can be taken with a MultispeQ is excellent. It’s the best descri..." | Read more » almost 10 years ago