| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| mathew | "Thats a good idea. I was thinking of making a version of the paper grating support that had a protractor-like series of angles so someone could fo..." | Read more » | over 9 years ago | |||
| mathew | "@spectraljugad The distances and angles come from @cfastie's empirical tests linked above in "relationship between grating, slit, and camera" for s..." | Read more » | over 9 years ago | |||
| mathew | "That candle protector is a great way to picture how this sensor works! I think the tiny grate on top of the sensor itself does something similar. ..." | Read more » | over 9 years ago | |||
| mathew | "I'm pretty worried about those particles too. I think we would need an electron microscope to measure them though-- that's a pretty big barrier to..." | Read more » | over 9 years ago | |||
| mathew | "@gonzoearth also uses this spool with Spectra line (low stretch) and a drill to put balloons to 3000' http://publiclab.org/notes/gonzoearth/11-10-2..." | Read more » | over 9 years ago | |||
| mathew | "that reminds me-- I have one of the DIY Bio microscopes i built this summer-- haven't used it for anything-- I'll take a look again. " | Read more » | over 9 years ago | |||
| mathew | "I bought a scanner earlier that claimed 9200 DPI, but I could only get at best 1700DPI out of it. it seems the best effective resolution of a slide..." | Read more » | over 9 years ago | |||
| mathew | "I'm wondering if two off-the-shelf Shinyei sensors could be coupled together with an electromagnet to make this work: http://publiclab.org/notes/do..." | Read more » | over 9 years ago | |||
| mathew | "Pulling line in automatically requires two things-- a line that doesn't stretch much, and a strong enough winder. The reason for the not-so-stretc..." | Read more » | over 9 years ago | |||
| mathew | "Thanks! @amysoyka that's an interesting idea. I haven't ever studied mines specifically, just basic geology. You're right though-- the issues of ..." | Read more » | over 9 years ago | |||
| mathew | "also really sweet-- the live view of the whole video image + the sample line in the upper left corner. " | Read more » | over 9 years ago | |||
| mathew | "awesome work stevie! I love the hand-made trifold pamphlets! " | Read more » | over 9 years ago | |||
| mathew | "thanks for posting this ted! I love this technique " | Read more » | over 9 years ago | |||
| mathew | "I see the frog in those traces.... nice! " | | over 9 years ago | |||
| mathew | "nice bacronym! " | Read more » | over 9 years ago | |||
| mathew | "are the turns in the light path for purposes of diffusion? It seems like I'm seeing a lot of stray light in the spectra. " | Read more » | over 9 years ago | |||
| mathew | "oh shoot I missed that. they looked like straight ties. thanks. " | Read more » | over 9 years ago | |||
| mathew | "@eustatic's straps had that cinch down bit that I like-- they're a little more, but those are also cheaper on Amazon. http://www.amazon.com/Black-V..." | Read more » | over 9 years ago | |||
| mathew | "I'm buying a bunch of these from McMaster to try out as a cable tie replacement in the kit. http://www.mcmaster.com/#6605k23/=u1tmx6 " | Read more » | over 9 years ago | |||
| mathew | "The sensor size is not definitive. The Infragram webcam is more sensitive than the SYBA, but has the same sensor size as the SANM camera. Its also..." | Read more » | over 9 years ago | |||
| mathew | "I think MicMac will take LIDAR data http://publiclab.org/notes/mathew/02-25-2014/3d-data-from-image-sets-autostitching " | Read more » | almost 10 years ago | |||
| mathew | "It could work-- any phone with USB2Go functionality can act as a USB host through microUSB. Android doesn't integrate UVC functionality into its k..." | Read more » | almost 10 years ago | |||
| mathew | "Jack, I'm not able to get the Wheestat's port to recogize on a mac-- Processing won't recognize the USB Port-- I can only select bluetooth. " | Read more » | almost 10 years ago | |||
| mathew | "I don't think so. there is some research in the literature review on the topic but that is not somethign we've been pursuing " | Read more » | almost 10 years ago |