| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| mathew | "Although we are hopeful that Simon's strategies listed here can get us to a particle count, If they aren't sufficient Rongjun Qin recommended we lo..." | Read more » | almost 8 years ago | |||
| mathew | "You can get the analysis spreadsheet here: https://docs.google.com/spreadsheets/d/1xSVT9lxary0zZhhEqhrX3hsdIb4shbYhaOJx_RWhESg/edit#gid=0 " | Read more » | about 8 years ago | |||
| mathew | "That's a great writeup! thanks Simon. If anyone needs an image set to play with, please e-mail me, and I can share the files. They're too large t..." | Read more » | about 8 years ago | |||
| tonyc | "I'd like to do a screencap to show just how smooth this movement is. This is so cool to see in action. Exciting to see it built from plans to deplo..." | Read more » | about 8 years ago | |||
| richardbowman | "Hmm, yeah - getting things to reliably push-fit without crazy excessive force is quite tricky between printers, it could just be that your printer ..." | Read more » | about 8 years ago | |||
| mathew | "I was able to get one of the nuts to sit firmly at the bottom, but the other two wouldn't. My print might be a little messy there, I'm not sure. O..." | Read more » | about 8 years ago | |||
| richardbowman | "Super. Oh, and I meant to say - the hexagonal holes are deliberately oversized, they taper down at the end to grip the nut firmly. The idea is yo..." | Read more » | about 8 years ago | |||
| mathew | "Awesome Richard, thanks! The basic mechanism of the rubber bands works flawlessly, the smooth motion is really impressive. I have to post a video..." | Read more » | about 8 years ago | |||
| richardbowman | "Hi Matt, good to hear you got it working :) I have switched to single elastic bands now, and you're right, it does make it much easier. The ins..." | Read more » | about 8 years ago | |||
| mathew | "I found this great tutorial on automating ImageJ scripting and batch processing. It got me up and batch processing in short order: Arjun Mehta, UC..." | Read more » | about 8 years ago | |||
| SimonPyle | "@marlokeno That's a great tip for eyeballing and catching dust. On that note, as I clean up a prototype of some code to automate this process, I'm..." | Read more » | about 8 years ago | |||
| marlokeno | "@mathew, @SimonPyle, @AmberWise, @Damarquis, @Pagyebo Wonderful work- I can't imagine counting particles while sizing them, etc. So cheers to the ..." | Read more » | about 8 years ago | |||
| tonyc | "those are mms, on the measuring tape, btw. Guess I cropped the most important part scale out of the photo! " | Read more » | about 8 years ago | |||
| tonyc | "this is set up to use light from above, so had to force it to get an image on an opaque object. it think there is a lot of room to get better magn..." | Read more » | about 8 years ago | |||
| tonyc | " waterscope_optics_module.pdf Using a Pi cam and some optics from alibaba that runs about $20, you can get sub-micron quality. This image made..." | Read more » | about 8 years ago | |||
| warren | "Love it!! Can you image something of known scale so we know the magnification? Awesome, Tony. " | Read more » | about 8 years ago | |||
| mathew | "I'm writing up an introduction to particles in the air right now (rough draft), and one of the questions I wanted to answer was about naked eye obs..." | Read more » | over 8 years ago | |||
| mathew | "this is really cool! I'm using a commercial microscope right now, and really need to move to an automated slide stage to automate the assay. This ..." | Read more » | over 8 years ago | |||
| marlokeno | "One possibility in order to get a clearer image is to try using the "threshold" filter in photoshop, or photoshop elements, GIMP, etc. It's helped ..." | Read more » | over 8 years ago |