A horrible article, it can only contribute to confusion than to present what is known.<p>No, there are no squares and circles, and no cakes. It isn&#x27;t simpler an there&#x27;s no insight to be gained by thinking about the cakes and squares and circles.<p>Much better learning about what is. For example, to get some intuition for the things you can&#x27;t directly observe try considering what&#x27;s going on in the &quot;simple&quot; act of water drop forming and detaching.<p><a href="https:&#x2F;&#x2F;youtu.be&#x2F;c4MUTij8f6I?t=120" rel="nofollow">https:&#x2F;&#x2F;youtu.be&#x2F;c4MUTij8f6I?t=120</a><p>It&#x27;s waves all the way down.