1 ene 1901 año - Planck
Descripción:
 Theory that perfectly described the experimental evidence, but part of it was a radical new idea: energy did not flow in a steady continuum, but was delivered in discrete packets Planck later called quanta. 
Añadido al timeline:
fecha:
1 ene 1901 año
Ahora mismo
 ~ 124 years ago 
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