cary, bass. (2006). Ionising radiation symbol [Wikipedia]. https://en.wikipedia.org/wiki/Radioactive_decay#/media/File:Radioactive.svg

cloudylabs. (n.d.). Radioactivity of a Thorite mineral seen in a cloud chamber [Wikipedia]. Cloud Chamber. Retrieved 10 March 2020, from https://en.wikipedia.org/wiki/Cloud_chamber#/media/File:Radioactivity_of_a_Thorite_mineral_seen_in_a_cloud_chamber.jpg

Fhsig13. (n.d.). RCACS FCPL Badge [Wikipedia]. Retrieved 11 March 2020, from https://en.wikipedia.org/wiki/Royal_Canadian_Air_Cadets#/media/File:RCACS_FCPL.png

kenneth, ford. (2011). 101 Quantum Questions: What You Need to Know about the World You Can’t See. https://www.goodreads.com/book/show/10502147-101-quantum-questions

sodacan. (n.d.). Royal Canadian Air Force Rank Insignia OR-3 [Wikipedia]. Retrieved 11 March 2020, from https://en.wikipedia.org/wiki/Royal_Canadian_Air_Cadets#/media/File:Canadian_RCAF_OR-3.svg