A two-day, family-friendly festival of invention, creativity and resourcefulness, and a celebration of the Maker movement.
Cloud chambers let you see paths left by radioactive particles as they pass through alcohol vapor. Most designs require dry ice - but this one uses electric "Peltier" coolers. You can build your own for under $100!
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Rich Olson builds cloud chambers to view radioactivity, combat robots, and other stuff. He built an Arduino-controlled laser show using audio speakers as galvos. nothinglabs.com.
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