[Verse 1] Einstein saw the photoelectric effect unfold Light knocked out electrons, story to be told Packets of energy, quanta in the beam Photons acting like particles, breaking Newton's dream But Maxwell's waves still danced through space Interference patterns showing wave-like grace [Chorus] Wave or particle, which one is real? Both identities that light can reveal Double-slit shows us the quantum surprise Nature's secret hiding in plain sight Wave and particle, duality's call Light is everything, light is it all [Verse 2] Young's experiment with slits placed side by side Sent light through both, let physics be our guide Bright and dark bands painted on the screen Interference fringes, waves dancing between But close one slit and watch the pattern fade Particle behavior, the wave display is frayed [Chorus] Wave or particle, which one is real? Both identities that light can reveal Double-slit shows us the quantum surprise Nature's secret hiding in plain sight Wave and particle, duality's call Light is everything, light is it all [Bridge] When we measure, we collapse the state Observation seals the quantum fate Electrons too dance this cosmic ballet Matter waves in Schrödinger's display Complementarity, Bohr's insight true The method of measurement determines the view [Verse 3] Single photons fired one by one Still create the pattern when the test is done Each photon somehow knows both paths exist Quantum superposition can't be dismissed Until detection forces the choice to be made Wave function collapses, the mystery displayed [Chorus] Wave or particle, which one is real? Both identities that light can reveal Double-slit shows us the quantum surprise Nature's secret hiding in plain sight Wave and particle, duality's call Light is everything, light is it all [Outro] In quantum realm where strangeness dwells Light keeps all its secrets and never tells Wave and particle forever entwined The double nature of space and time
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