Atomic, molecular, and optical physics the origin of the index of refraction treated an electron in an atomic system classically according to the model of Paul Drude and Hendrik Lorentz. The theory was developed to attempt to provide an origin for the wavelength-dependent refractive index "n" of a material. In this model, incident electromagnetic waves forced an electron bound to an atom to oscillate. The amplitude of the oscillation would then have a relationship to the frequency of the incident electromagnetic wave and the resonant frequencies of the oscillator. The superposition of these emitted waves from many oscillators would then lead to a wave which
What a Way to Go: Life at the End of Empire with Peak Oil, Climate Change, Mass Extinction, Population Overshoot and the demise of the American lifestyle." What a Way to Go: Life at the End of Empire What A Way To Go: Life at the End of Empire is a 2007 documentary film about the current situation facing humanity and the world. It discusses issues such as peak oil, climate change and the effects of global warming, population overshoot and species extinction, as well as how this situation has developed. The documentary features supporting data and interviews of Daniel Quinn, environmental activist Derrick Jensen and academics such as Richard Heinberg