The "Geometry" of Colours

What are colours? Do they form a particular geometry? Can we build this geometry from our perceptions? All the answers in 20 minutes! 0:00 - Introduction 1:07 - What is a colour? 2:03 - Newton's disc 6:02 - The XYZ space 8:49 - Screens and vision 12:09 - Psychological approach 17:07 - Conclusion Link to the game mentioned at 13:00: http://colors2.alessandroroussel.com/ _________________________________________________ This video is narrated by Octave Masson. For more videos, subscribe to the YouTube channel :    / scienceclicen   And if you liked this video, you can share it on social networks ! To support me on Patreon :   / scienceclic   or on Tipeee : http://tipeee.com/ScienceClic Facebook page :   / scienceclic   Instagram :   / scienceclic   Alessandro Roussel, For more info: http://www.alessandroroussel.com/en _________________________________________________ ScienceClic Français :    / scienceclic   ScienceClic Español :    / scienceclices   _________________________________________________ Sources and bibliography: https://www.researchgate.net/publicat... https://www.researchgate.net/publicat... https://link.springer.com/content/pdf... https://www.gutenberg.org/files/33504... http://www.gutenberg-e.org/lowengard/... https://royalsocietypublishing.org/do... https://pubmed.ncbi.nlm.nih.gov/17026... https://www.eizo.com.cn/global/librar... https://www.jcgt.org/published/0014/0... http://www.color-theory-phenomena.nl/... https://rmit.pressbooks.pub/colourthe... https://pteromys.melonisland.net/muns... https://www.webexhibits.org/colorart/... https://www.icst.pku.edu.cn/mipl/docs... https://www.pnas.org/doi/full/10.1073... https://www.science.org/doi/10.1126/s...