作者kaa53578

假如不怕被人說對不起北極熊的話...
https://i.imgur.com/BL52ckv.jpg

The oldest continually running lightbulb in the world - Livermore's Centennial Light Bulb.
https://www.youtube.com/watch?v=LmvdS3Rxw7I
美國有一顆鎢絲燈泡已經持續亮了一百年