Author | Comment | Last activity | Moderation | ||
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cfastie | "That sounds like a lot of lift in a good wind. Does that come mostly from the kite part or from the aerofoil shape of the balloon part? Wait, does..." | Read more » | about 6 years ago | |||
cfastie | "Mathew, The Airpup can lift a payload of 500 grams when there is no wind. Will it lift more when there is wind? How hard was it pulling in the 20 ..." | Read more » | about 6 years ago | |||
cfastie | "There is another version of this sensor with the same specifications and the same price but it is about half the size. Does anyone know any reason ..." | Read more » | about 6 years ago | |||
cfastie | "You are right that there has not been much follow-through at Public Lab on developing and testing DIY conductivity or total dissolved solids (TDS) ..." | Read more » | about 6 years ago | |||
cfastie | "This is great project. The trickiest part will be making the device "unnoticeable to the public." That could be a real obstacle to finding a simpl..." | Read more » | about 6 years ago | |||
cfastie | "Magnification in this context is the relationship between the size of an object and the size of an image of that object. Assuming the hatch marks..." | Read more » | about 6 years ago | |||
cfastie | "Is \ *markdown * parsed? Number 1 Number 4 Number 3 " | Read more » | about 6 years ago | |||
cfastie | "The image was missing, the video embed was broken, and the text which followed the video did not display. " | Read more » | about 6 years ago | |||
cfastie | "Let's see how this works with images or an embedded video. Is markdown parsed? " | Read more » | about 6 years ago | |||
cfastie | "Okay, this is an email reply to the notification email I got. Let’s see where this ends up. Chris From: notifications@publiclab.org \<no..." | Read more » | about 6 years ago | |||
cfastie | "It might be that the first step is to define the term magnification. What is it exactly you want to know? Chris " | Read more » | about 6 years ago | |||
cfastie | "Are you referring to this research note? https://publiclab.org/notes/cfastie/05-11-2017/dual-ndvi-ultra-probe-unit Are you referring to this figur..." | Read more » | about 6 years ago | |||
cfastie | "I am not sure what "full spectrum" means when used to describe LEDs. It probably means that all the visible wavelengths are present in the light at..." | Read more » | about 6 years ago | |||
cfastie | "That's too bad about the proprietary Mapir calibration. Is there information about the spectral reflectivity of the calibration targets? If not, th..." | Read more » | about 6 years ago | |||
cfastie | "the camera collects red, green and nir channels So this camera has a red filter and captures NIR in the blue channel. The light in the chamber is..." | Read more » | about 6 years ago | |||
cfastie | "the Waterproof Mini Camera (infrared-ready) Be aware that this camera must be opened and modified before it can capture near infrared light. The p..." | Read more » | about 6 years ago | |||
cfastie | "Stevie, The image code is still embedded in the version of my comment you promoted to an Answer. So I just copied the markdown into another comment..." | Read more » | over 6 years ago | |||
cfastie | "The intense red tide blooms (Karenia brevis) in the Gulf of Mexico are easy to detect with normal color photography because they are red (top image..." | Read more » | over 6 years ago | |||
cfastie | "Most cameras will work for indoor, close-up photography. Most cameras will focus on subjects a few feet away. A typical inexpensive consumer consum..." | Read more » | over 6 years ago | |||
cfastie | "Most cameras will work for indoor, close-up photography. Most cameras will focus on subjects a few feet away. A typical inexpensive consumer consum..." | Read more » | over 6 years ago | |||
cfastie | "The editing system is not working today, so I put an answer in a comment. " | Read more » | over 6 years ago | |||
cfastie | "Don't forget that when doing absorption spectroscopy: The two spectra (photos of the reference and the sample) must be taken with the same camera..." | Read more » | over 6 years ago | |||
cfastie | "MaggPi, This a really promising approach. Do you have any information on the proportion of red light to NIR light produced by your LED combinatio..." | Read more » | over 6 years ago | |||
cfastie | "MaggPi you are correct that presenting color-mapped data-based images without presenting the colormap key makes the images mostly meaningless to vi..." | Read more » | over 6 years ago |