Why everyone needs this USB power meter I tested that's shockingly accurate (and it's cheap)

I never thought that a $12 accessory could rival tools that cost much more. But this USB-C power meter delivers in profound ways.
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GlowScript VPython tutorial | Dipole electric field simulation

In this tutorial, we use GlowScript VPython to build a dipole electric field simulation step by step. Learn how to model charges, compute field vectors, and create an interactive visualization that ...