dust
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Author Comment Last activity Moderation
warren "Hi, @squattingdog - we've been working on an "introductory" microscope build that's an easier stepping stone to this one, which you can upgrade lat..." | Read more » over 6 years ago
warren "Oh wow! These are great graphs -- maybe post a new note with them? Would you be interested in doing a short blog post about it? Happy new year! " | Read more » over 6 years ago
GreenFrogg "This is one hour after midnight: " | Read more » over 6 years ago
GreenFrogg "It looks like this: " | Read more » over 6 years ago
GreenFrogg "Now the new measurements site for new years eve 2017/2018: http://lkvis.rivm.nl/dashboard/db/vuurwerk?orgId=1 for more info see: https://www.samenm..." | Read more » over 6 years ago
squattingdog "@mathew any progress on this build? I was interested in giving it a shot myself but wasn't sure where to start since I've seen very little activity..." | Read more » over 6 years ago
warren "Here are so a few options from the catalog at http://enasco.com/science: " | Read more » over 6 years ago
amirberAgain "This looks really nice! I'll start assembling the parts! in the mean time, a small suggestion: place a diffuser (piece of parchment paper) between ..." | Read more » over 6 years ago
stevie "When we were in WI @gretchengehrke, @mathew, and I were visiting some friends and we took a sample from a window at their house. The house window w..." | Read more » over 6 years ago
AdditiveFutures "stacked acrylic sheets. volumes determined through cutting thin sheets with a laser cutter.. " | Read more » over 6 years ago
stevie "@stevie awards a barnstar to partsandcrafts for their awesome contribution! " | Read more » over 6 years ago
warren "This looks amazing. You can embed an activities grid on your post using [activities:raspberry-pi-microscope] or whatever tag name you want to use! ..." | Read more » over 6 years ago
stevie "Hi there! This wiki page has a lot of information on it about the differences between passive and optical particulate matter monitors. https://publ..." | Read more » over 6 years ago
shakti1418 "Track Package using UPS tracking number UPS drop off locations near me ups drop UPS Shipping Locations whatsapp gb download spotify premium apk 201..." | Read more » over 6 years ago
plundh "Hi kgradow1- Yes, that's a good idea. -Peter " | Read more » over 6 years ago
kgradow1 "Picking up this thread -- we're hoping to do some replications of both the lego and the acrylic microscope. Would you be open to reposting these..." | Read more » over 6 years ago
warren "Here's a good review @maxliboiron posted: https://publiclab.org/notes/liz/09-28-2016/diy-microscope-resources @kgradow1, check it out! " | Read more » over 6 years ago
gretchengehrke "For regulatory purposes, the EPA doesn't actually measure the size of individual particles. Rather, they use a pump with an impactor. This pumps in..." | Read more » over 6 years ago
warren "@bmela - posted the question i emailed you about! Thanks! " | Read more » over 6 years ago
kgradow1 "Potential resource: A Guidebook for Particle Size Analysis (industry) https://www.horiba.com/fileadmin/uploads/Scientific/eMag/PSA/Guidebook/pdf/..." | Read more » over 6 years ago
kgradow1 "Comparative sizes of common particles: http://www.engineeringtoolbox.com/particle-sizes-d_934.html " | Read more » over 6 years ago
partsandcrafts "Second hit on the question "How small are respirable particles?" Not specific to smoke, but useful context: http://www.who.int/occupational_health..." | Read more » over 6 years ago
warren "@gretchengehrke mentioned 5 microns for "respirable airborne particles", in her post here: Citing @mathew (Silica dust less than 5 ?m in diameter ..." | Read more » over 6 years ago
warren "@wmacfarl ! " | Read more » over 6 years ago