&gt;It&#x27;s poor precision (it is melted chocolate and depends on there being some standing waves, so older microwaves seem better suited) but accurate.<p>That&#x27;s just an excuse to do it a lot of times. :)  Also a good segue into the story of the invention of the microwave oven: <a href="http:&#x2F;&#x2F;www.technologyreview.com&#x2F;article&#x2F;400335&#x2F;melted-chocolate-to-microwave&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.technologyreview.com&#x2F;article&#x2F;400335&#x2F;melted-chocol...</a>