More Ideas Jul 22, 2012 19:23:00 GMT -5 Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by drprofessordanger on Jul 22, 2012 19:23:00 GMT -5 From Heath:cheap stuff done previously that's easy to make:spectrometer from a cereal box, www.cs.cmu.edu/~zhuxj/astro/html/spectrometer.htmlwebcam microscope, just need one of these:amzn.com/B0015TJNEY the video will be shaky without a stand, something like this: www.youtube.com/watch?v=6MS2KYxQbfg...but that doesn't mean you can't make nice photosmore ideas...these guys are doing it right: hackteria.org/wiki/index.php/Main_Pageyou can build a thermal cycler for about $15. ruby lasers are easy, cheap, and you never know when you'll need one?...cnc stuff: www.instructables.com/id/CNC/have a few dremels for this, but i really want one for cutting metalsoftware defined radio is awesome and can be done for ~75-100USDrelated: projectmeshnet.org/ need some cheap routers for thisFrom Gregr:I've built a scanner camera and a number of pinhole cameras. I'd love to demo them for you guys if you're interested. www.flickr.com/photos/gregr/tags/scannercamera/