Hi,
I am looking for a 500 word article on a technical topic from Mathematic, science, Physics or Computer science, but written in a friendly manner. 
- Please follow one out of APA,MLA,Chicago reference styles
- please submit a formatted pdf

Please reply with the topic you'd want to write in. You are free to use any previous work, but make sure it is not a word to word copy. If things work out well, there shall be more projects.