Quantum Harmonic Oscillator. If we think about the light from a laser pointer, it exits the tip in the laser pointer and moves within a straight line until eventually it hits an impediment and scatters (or hits a mirror and bounces). “Quantum of Solace is actually a shifting Tale debating https://socdirectory.com/listings290348/quantum-field-theory-new-step-by-step-map-for-quantum-error