The Morning News https://ift.tt/2PY5YQQ
The origin of quantam mechanics explained in less than five minutes, with nice drawings.
The German government asked the theoretical physicist Max Planck: how can lightbulbs be made more efficient? ... Working backwards from his data in ‘an act of despair’, Planck found that light wasn’t emitted continuously, but rather in discrete packets that he referred to as ‘quanta’. And the rest is the illusory arrow of time that we call history.
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