How Does Wireless Charging Work?

A clear whiteboard walkthrough of wireless charging: coils, oscillating magnetic fields, and why your phone only charges when it sits just right on the pad. In this whiteboard explainer: • Intro • No flame • Cold plate mystery • Magnetron • Cook loop • Metal box / Heats vs struggles • Takeaways / Close Key takeaways: • Magnetron creates microwaves • Water molecules absorb and jiggle • Jiggle energy shows up as heat Chapters 0:00 Intro 0:12 No flame 0:24 Cold plate mystery 0:34 Magnetron 0:51 Cook loop 1:03 Metal box / Heats vs struggles 1:26 Takeaways / Close #HowItWorks #EverydayTech #TechExplainer More everyday tech explainers in this series — subscribe for the next whiteboard. Playlist: How Everyday Technology Works