What does the UW Madison Engineering's fountain represent?

<p>It consists of two semi-circle.</p>

<p>Answer</p>

<p><a href="http://www.engr.wisc.edu/server/welcome/artofengineering/fountain.html%5B/url%5D"&gt;http://www.engr.wisc.edu/server/welcome/artofengineering/fountain.html&lt;/a&gt;&lt;/p>