Note: &quot;must expend energy&quot;<p>How many Joules did Mendeleev expend in his dream? How many Joules will your clustering algorithm require? In fact, how many Joules before a meta-algorithm supervisor decides on exclusively using clustering to solve the problem?<p>&gt; A line of elements ...<p>Indeed. He arrived at the result with <i>incomplete</i> information.<p><pre><code>    Rightly traced and well ordered; what of that?
    ..
    Ah, but a man&#x27;s reach should exceed his grasp</code></pre>