If You Understand How a Phone Call Works, You Can Understand the 2025 Physics and Chemistry Nobels — A public-facing "resonance" explainer (PAC–μ⁴: Spectrum–Causality–Entropy)

A phone call is not “sound waves traveling a thousand miles.” It is encoding at the source, spectral filtering and phase shaping in the channel, and decoding at the receiver. Likewise: The 2025 Physics Prize (macroscopic quantum effects in superconducting circuits) showcases resonant transmission: an excitation on this side rings quasi-bound modes in a barrier/cavity, and the other side detects the response—not a “little ball” punching through a wall. The 2025 Chemistry Prize (metal–organic frameworks, MOFs) showcases molecular spectral filtering: pore topology and functional groups carve selectivity windows so specific molecules are captured or passed with low loss.Master the “phone” picture and you’ll grasp the common core of both prizes: structure → generator KKK → spectrum spec(K)\mathrm{spec}(K)spec(K) → function.