The Secret Life of the Vacuum Cleaner - Remastered
tim hunkin · 3 则 HN 推荐
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Tim Hunkin's 1987 TV series episode on how vacuum cleaners and related household machines work, remastered and upscaled in 2021. It is part of the six-episode 'Secret Life of Machines' series with hands-on demonstrations of everyday technology.
HN 推荐的原因： Recommended as a clear, charming explanation of how machines work, including a demonstration of building an electric motor.
“I cannot recommend it strongly enough.” 阅读 HN 讨论 ↗