This documentary traces the story of arguably the most important, accurate and yet perplexing scientific theory ever: Quantum Physics.

A story which starts in the 20th century with scientists trying to better understand how light bulbs work, this would lead to scientists deep into the hidden workings of matter and the sub-atomic building blocks of the world around us. Here they discovered phenomena unlike any encountered before - a realm where things can be in many places at once, where chance and probability call the shots and where reality appears to only truly exist when we observe it.

Albert Einstein hated the idea that nature is governed by chance. This documentary reveals how in the 1930's, Einstein thought he'd found a fatal flaw in Quantum Physics. For thirty years, his ideas were ignored. Then in the 1960's a brilliant scientist from Northern Ireland called John Bell showed there was a way to test if Einstein was right and Quantum Mechanics was actually mistaken.

We'll be repeating this critical experiment: does reality really exist or do we conjure it into existence by the act of observation?

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