Ep 158: Phased Array Physics, CRTs Two Ways, A Micro Microcontroller, and a Surgically Implanted Red Herring
Hackaday Podcast
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Sonar Beacon With a Phased Array
This is a video bi bit lony bendit like sonar beacon with a phase de ray. The thing i really love about it is that he does this demo where he just has a pool of water, and he sticks his finger into it to make ripples. And then you can actually watch kind of a single wave front move away at an gl off to the left and off to the right. It's really cool and gives you a very intuitive feeling for kind of the invisible physics that's going on behind all this.
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