Twitter @explosionsinc
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Don here. My mom asked me to build her a rig for making lots of helium bubbles. I call the prototype test successfu… https://t.co/xvCpSLnVYV -
Holy crap, you guys. https://t.co/dnqz4QExMh
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Now that the sound system is hooked up, here's a version of the Rubens Tube that's more than just a single grating… https://t.co/8Ec0PAcVAz
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Coming soon to an Indiana science show near you: Don's new Rubens Tube. Here it is at 440hz. https://t.co/9NMySieo2p
