https://blog.wongcw.com/2020/01/13/%e8%bb%b8%e5%ad%90%e5%ae%87%e5%ae%99%ef%bc%9a%e5%b7%a8%e5%a4%a7%e7%84%a1%e5%9e%a0%e7%9a%84%e5%bc%a6%e7%b6%b2%e7%b5%a1%e5%8f%af%e8%83%bd%e9%8b%aa%e6%bb%bf%e6%95%b4%e5%80%8b%e5%ae%87/
軸子宇宙:巨大無垠的“弦網絡”可能鋪滿整個宇宙