question:sourcing
question:sourcing


Author Comment Last activity Moderation
Bronwen "The Public Lab store has these back in stock as of 12/17! These can be challenging to get a hold of, but we buy them when we can from a place calle..." | Read more » over 6 years ago
warren "Here's one for $40 -- would it work? https://www.amazon.com/OMAX-Achromatic-Compound-Microscope-Objective/dp/B00FG8BC62/ Here's a 100x one for $25..." | Read more » over 6 years ago
kgradow1 "We haven't tested a wide range of objectives -- that would be a great next step for this project " | Read more » over 6 years ago
kgradow1 "We got ours from Amscope: http://www.amscope.com/4x-100x-four-achromatic-objective-lens-set.html#product_tabs_description_tabbed. 20mm RMS-thread..." | Read more » over 6 years ago
warren "@bmela @kgradow1 @wmacfarl is this already listed in the activities you posted? I just wanted a place to list links and prices and options. Thanks! " | Read more » over 6 years ago
zengirl2 "@gretchengehrke will know about the nail polish remover. Unfortunately my nail polish remover is not the standard fare since it is made for the lig..." | Read more » over 6 years ago
zengirl2 "Done @warren :) " | Read more » over 6 years ago
warren "Is nail polish remover just acetone, and is it pure enough for this? (Except for non-acetone nail polish remover, of course) https://www.amazon.c..." | Read more » over 6 years ago
zengirl2 "TY for this answer. I'm giving out copper strips at the Factory Farm Summit and hopefully people will be able to share results with us! " | Read more » over 6 years ago
gretchengehrke "Hi @warren, "miscible" means it dissolves with them to create a homogenous mixture (i.e. doesn't separate out like oil and water do). Acetone is a ..." | Read more » over 6 years ago
warren "Hi, Gretchen, what does "miscible with water and with oil" mean? Is it related to what @matej and others learned about the ability to dissolve oil ..." | Read more » over 6 years ago
gretchengehrke "@Zengirl2, I think for the best results you'll want to use acetone, which is easy to find online and in a lot of drug stores and art stores (and ma..." | Read more » over 6 years ago
warren "Via @wmacfarl: 36" Round Circle Foil Mylar Balloon Citrine Yellow Product Code: 12684 Qty: 20 @ $0.99 = $19.80 At http://bargainballoons.com " | Read more » almost 7 years ago
klie "Update: Talking it out actually just helped me think of better search terms, and I think I found one on alibaba.com. High five for team brainstor..." | Read more » over 7 years ago
klie "Thank you @sarasage! I'm going to check out both of these sites. What I'm looking for, though, is a button that's mechanical instead of electrica..." | Read more » over 7 years ago
sarasage "www.digikey.com sells all manner of switches, too. " | Read more » over 7 years ago
sarasage "Have you checked www.sciplus.com? Is this along the lines of what you're looking for? https://www.sciplus.com/p/SPST-PUSHBUTTON-SWITCH_55615 " | Read more » over 7 years ago