【物理】『原子がほとんど真空なら、何故物体はみっちりしたものに見えたり、感じられたりするのか』The Conversation 2017/2/16
If atoms are mostly empty space, why do objects look and feel solid?
by Roger Barlow
February 16, 2017 9.21pm AEDT
https://theconversation.com/if-atoms-are-mostly-empty-space-why-do-objects-lo…