The observable universe and the mystery of the Planck length
0:55
MSNThomas Mulligan
The observable universe and the mystery of the Planck length
Distance scales from the Planck length to a 93-billion-light-year observable universe expose extreme limits of physics and hint at unknown phenomena where current laws break down.
8 months ago
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Quantum mechanics originated from Max Planck's attempt to solve the black body radiation problem—how ideal objects emit electromagnetic radiation. Classical physics predicted infinite energy at high frequencies (the "ultraviolet catastrophe"), but experiments showed radiation peaks and then falls. Planck resolved this by proposing that energy is quantized in discrete units of hf (frequency times Planck’s constant), introducing the concept of energy quantization and the foundation of quantum mech
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Quantum mechanics originated from Max Planck's attempt to solve the black body radiation problem—how ideal objects emit electromagnetic radiation. Classical physics predicted infinite energy at high frequencies (the "ultraviolet catastrophe"), but experiments showed radiation peaks and then falls. Planck resolved this by proposing that energy is quantized in discrete units of hf (frequency times Planck’s constant), introducing the concept of energy quantization and the foundation of quantum mech
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