https://qooah.com/2010/12/11/%e9%81%a0%e5%82%b3%e9%9b%bb%e4%bf%a1%e5%86%8d%e5%ba%a6%e8%88%87-acer-%e5%90%88%e4%bd%9c%e7%8d%a8%e5%ae%b6%e9%a6%96%e8%b3%a3-acer-liquid-metal/