OFFTOPIC: physics question

[grarpamp]

https://en.wikipedia.org/wiki/Dispersion_(optics)
https://en.wikipedia.org/wiki/Prism
https://en.wikipedia.org/wiki/Refraction
https://en.wikipedia.org/wiki/Refractive_index
https://en.wikipedia.org/wiki/Optics
https://en.wikipedia.org/wiki/Group_velocity
https://en.wikipedia.org/wiki/Slow_light
https://en.wikipedia.org/wiki/Photon
https://en.wikipedia.org/wiki/Speed_of_light
https://en.wikipedia.org/wiki/Light
https://en.wikipedia.org/wiki/Soliton
https://en.wikipedia.org/wiki/Tunable_laser
https://en.wikipedia.org/wiki/Multiple-prism_dispersion_theory
https://en.wikipedia.org/wiki/Optical_amplifier
https://en.wikipedia.org/wiki/Beam_splitter
https://en.wikipedia.org/wiki/Electromagnetic_spectrum
https://en.wikipedia.org/wiki/Electromagnetic_radiation
https://en.wikipedia.org/wiki/Wave-particle_duality
https://en.wikipedia.org/wiki/Quantum_optics
https://en.wikipedia.org/wiki/Time
https://en.wikipedia.org/wiki/God
https://en.wikipedia.org/wiki/Rainbow
https://en.wikipedia.org/wiki/Prism_lighting
https://en.wikipedia.org/wiki/Wavelength-division_multiplexing
https://en.wikipedia.org/wiki/Optical_add-drop_multiplexer
https://en.wikipedia.org/wiki/Wavelength_selective_switching
https://en.wikipedia.org/wiki/Passive_optical_network
https://en.wikipedia.org/wiki/Fiber_tapping
https://en.wikipedia.org/wiki/Mark_Klein
https://en.wikipedia.org/wiki/Mass_surveillance

https://www.youtube.com/results?search_query=quadruple+rainbow

https://www.youtube.com/watch?v=7YoDt-MxhHg