• Safety Pins

  • 2018/11/21
  • 再生時間: 12 分
  • ポッドキャスト

  • サマリー

  • Safety pins are so ubiquitous, we take them for granted. But that’s the genius of their design – they work so intuitively they might as well have come from nature. Instead, they were invented by a man who never went to the trouble of patenting them. 

    Learn more about your ad-choices at https://www.iheartpodcastnetwork.com

    See omnystudio.com/listener for privacy information.

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あらすじ・解説

Safety pins are so ubiquitous, we take them for granted. But that’s the genius of their design – they work so intuitively they might as well have come from nature. Instead, they were invented by a man who never went to the trouble of patenting them. 

Learn more about your ad-choices at https://www.iheartpodcastnetwork.com

See omnystudio.com/listener for privacy information.

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