All sources used in the website are here or cited in text. 

Video sources
https://www.youtube.com/watch?v=P5OBWbZDZIc
https://www.youtube.com/watch?v=NOMOEgh9BMI&t=11s
https://www.youtube.com/watch?v=1CSm4GG2VrU&t=1s
https://www.youtube.com/watch?v=gtuBBea7rj8
https://www.youtube.com/watch?v=QbZKP4UAtL8
https://www.youtube.com/watch?v=KzyUXF7W6sI