Light and the Light and the Information it Information it
carriescarriesLecture 1Lecture 1
Electromagnetic Electromagnetic SpectrumSpectrum
Visible lightVisible light
HumanHuman BeeBee
Light and the Light and the environmentenvironment
absorption absorption diffractiondiffraction refractionrefraction reflectionreflection
Light striking an opaque surface Light striking an opaque surface absorptionabsorption
matt black surface - absorbs most light, matt black surface - absorbs most light, reflects littlereflects little
silvered surface - absorbs little, reflects mostsilvered surface - absorbs little, reflects most reflectionreflection
reflects some wavelength more than othersreflects some wavelength more than others a green leaf absorbs red light (and so a green leaf absorbs red light (and so
reflects less) and so appears greenreflects less) and so appears green texture influences how coherently light is texture influences how coherently light is
reflectedreflected
ReflectionReflection
SmoothSmooth RoughRough
Ambient Optic Array 1Ambient Optic Array 1
Each visible surface structures the pattern of light
The Optic array is the structured pattern of light reaching the observers eye from the environment
Optic Array 2Optic Array 2
Optic Array 3Optic Array 3
