The Secrets Of Quantum Physics (Jim Al-Khalili) | Spark

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Professor Jim Al-Khalili traces the story of arguably the most important, accurate and yet perplexing scientific theory ever: quantum physics.

The story of quantum physics starts at the beginning of the 20th century with scientists trying to better understand how light bulbs work. This simple question soon led scientists deep into the hidden workings of matter, into 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, at its most fundamental level, is governed by chance. Jim reveals how in the 1930's, Einstein thought he'd found a fatal flaw in quantum physics. This was not taken seriously until it was tested in the 1960s. Professor Al-Khalili repeats this critical experiment, posing the question does reality really exist, or do we conjure it into existence by the act of observation?

Elsewhere, we explore how the most famous law of quantum physics – The Uncertainty Principle – is obeyed by plants and trees as they capture sunlight during the vital process of photosynthesis. Could quantum mechanics explain the greatest mystery in biology - evolution?

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💬 Comments on the video

This comment wasn’t here until you looked at it.

Author — Martijn Abelskamp


Tesla said when spirituality meets science we will go forward faster then all decades before us !

Author — Jackie Hammond


Remember when you could watch a single video on YouTube without 15 commercials?

Pepperidge farms remembers.

Author — Tina Rashea



Author — Richie S


Good documentary however, what’s up with the demon mask? 😂 just weird and totally out of place

Author — Galen Parsons


Now this is what We should be watching ways on how to expand are minds cnn and Fox News is destroying the intelligence in this country

Author — Brent tripp Thomas


The light is becoming a path of less resistance and therefore "tele" porting the energy away from the gold leaves system

Author — Billy Ward


15:50 Dat "stroke" was Definitely not intended towards the erecting scope

Author — Deadidolizedpoet


6:58 Or one Robert Forstemann on a bike ...

Author — PFC


It funny how the quantum world sounds like how the human race basicly operates.

Author — Andrew Rodriguez


My mom says "the dishes won't clean themselves!" Science says otherwise.

Author — Satan


arent you all concerned with the real question here where the hell did he get pennies that spin like that magic

Author — Brian Espitia


Love the info. I wonder do the chem trails in the sky exist because I see them or do I follow the narrative that these poisoned particles are make believe.

Author — Drew Nava


Remember that Rick and Morty episode where Jerry, Rick and Morty were stuck in a simulated reality?

Author — Ilustrado


"I'm afraid I'm going to use another analogy".... Go ahead then, I don't mind, otherwise I wouldn't understand anything, lol

Author — Arriaga Two


What a fantastically presented documentary thanks for this.

Author — Dean Ryan


Too bad when I don’t look at my bills it’s still there

Author — MaltLiquor45


If Einstein had seen the evolution of computer games he would have accepted that we live in a simulation.

Author — V


Can't believe i watched an hour long documentary on a subject that i will forget in a few minutes

Author — Mr. Ahegao


Remember Niels Bohr Say there are No World The Collapse of the Wave Function

Author — Eske Thomsen