- Sources
- https://science.hq.nasa.gov/kids/imagers/ems/gamma.htmls:
- https://www.slideshare.net/vanceleyva/gamma-rays-58297686
- https://www.quora.com/How-do-gamma-rays-affect-humans Matthew Bauerle, Physics Undergrad Written 23 Nov 2015
- https://www.nde-ed.org/EducationResources/CommunityCollege/Radiography/Physics/gamma.htm
- http://www.physics.isu.edu/radinf/gamma.htm
- https://www.wired.com/2009/11/antimatter-lightning/
- http://physics.tutorvista.com/waves/gamma-rays.html
- http://www.bbc.co.uk/schools/gcsebitesize/science/triple_edexcel/ionising_radiation/radiation/revision/3/ BBC article 2014