Watchers

• 

  Melinda Low

  https://inventmag.com/%ec%98%a8%eb%9d%bc%ec%9d%b8%ec%b9%b4%ec%a7%80%eb%85%b8-%ec%84%a0%ed%83%9d%ec%9d%84-%eb%8f%95%eb%8a%94-%ec%9d%b8%ec%96%b4%eb%b2%a0%ea%b0%80%ec%8a%a4%ec%9d%98-%eb%a8%b9%ed%8a%80%ea%b2%80%ec%a6%9d/