I bought 1000 meters of wire to settle a physics debate
8 人推荐 · 跨 8 个月 · 2021–2026
中文导读
针对科技博主 Veritasium 引发全网热议的“一光秒导线输电思想实验”，硬核物理博主 AlphaPhoenix 在野外拉起近一公里长的真实电线，接上示波器进行实物复现，实测电磁信号在空间中的传播，用真实测量数据厘清了争论本质。
为什么 HN 推它
HN 公认在这场“导线光速悖论”论战中最扎实、最令人信服的实测回应，动手实验与理论拆解俱佳。
「我特别喜欢 AlphaPhoenix 的这个视频，他真的跑到野外把装置搭了出来，把整个效应解释得明明白白。」HN 网友原话：Yeah I really liked the AlphaPheonix video[0] where he actually built the thing in a field and explained the entire effect properly.
英文原摘要（HackerTube / Claude 整理）
AlphaPhoenix builds a scaled-down version of the Veritasium electricity thought experiment using about a kilometer of wire and an oscilloscope. He measures how the signal actually propagates and explains the result.
HN considers it the best experimental rebuttal and clarification of the Veritasium wire debate, with real measurements.
HN 上的提及
This guy performed the same experiment using a km long wire and measured the voltage in oscilloscope.
Take a look at the video made by YouTuber AlphaPhoenix where he constructs the entire thing on a smaller scale
the discussion that arose between AlphaPhoenix and Veritasium YouTube channels concerning the speed of electrons along a closed loop of wire
The author has a fascinating video