duckduckgo/zeroclickinfo-goodies — pull request #539 by wilkox (2014-07-06 09:29:44+00:00)
Title: Add visual to Frequency Spectrum goodie

Re #300, adds visual (inline SVG) for electromagnetic and/or audible frequency ranges.
![image](https://cloud.githubusercontent.com/assets/726198/3488558/cb77b122-04ef-11e4-9899-26da233c6315.png)