Laughing Squid posted this awesome video from NPR that explains what sound looks like.
NPR’s Skunk Bear, which is the name of their science Tumblr run by Adam Cole, explains what sound looks like using Schlieren flow visualization, a technique that chiefly uses a set of parabolic mirrors, to show air distortion. Given that sound distorts the air, it can be imaged this way. The Schlieren images for this video were provided by Mike Hargather.
Make a robot friend with Adafruit’s CRICKIT – A Creative Robotics & Interactive Construction Kit. It’s an add-on to our popular Circuit Playground Express, FEATHER and other platforms to make and program robots with CircuitPython, MakeCode, and Arduino. Start controlling motors, servos, solenoids. You also get signal pins, capacitive touch sensors, a NeoPixel driver and amplified speaker output. It complements & extends your boards so you can still use all the goodies on the microcontroller, now you have a robotics playground as well.
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