Einstein's Nightmare | The Secrets Of Quantum Physics | Absolute Science

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Einstein's Nightmare | The Secrets Of Quantum Physics | Absolute Science 4.5
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?

Content licensed by TVF International to Little Dot Studios.

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💬 Comments on the video

I am 5 years too late.
This video needs to be shown to every student who's in school.

Author — Sahail Alvi


Amazing how interesting this is to the point I didn’t even relize it’s an hour long

Author — ItsOverYt


an ad every 6 mins, sorry got better things to watch

Author — mark logue


Oooh I'm getin my Nerd groove on here !, :D
.I'll be back!

Author — lemon water


The fundamental flaw in all of this is that in quantum mechanics, not everything is 50-50 odds. Time to rethink it.

Author — Trev0r98


like magnets, what ever the photon's position is, it's partner is opposite

Author — Marcelo Pichardo


This is a great video. Nicely produced. Insightful analogies. Couldn´t recommend it more!

Author — Fabiano Nahoum


Some timeposts:
09:27 : Gold leaf electroscope
10:40 : Photoelectric effect (and the ultraviolet catastrophe
<en DOT wikipedia DOT
30:53 : Copenhagen interpretation
32:12 : Entanglement
34:45 : "Spooky action at a distance"
38:30 : John Bell (1928-1990):
"Bohr was inconsistent, unclear, wilfully obscure, and right"
"Einstein was consistent, clear, down-to-earth, and wrong"
40:12 : Anecdote about John Bell and "the helium problem"
43:48 : Evil quantum opponent :-)
47:42 : Hippie physisists :-)
49:54 : The experiment to test who was right, Bohr and Einstein.
10 years later.
53:38 : Einstein was wrong!
55:24 : This result doesn't banish physical reality!
55:55 : But quantum mechanics is still weird!

Followup: "The Secrets Of Quantum Physics: Let There Be Life (Full Physics Documentary) | Spark", <www DOT youtube DOT com/watch?v=q4ONRJ1kTdA>

Author — Peter Mortensen


That's enough thinking for tonight, I need to watch some chavs kicking off in supermarkets!

Author — Land Rover Addict


The secret is that it doesn’t represent reality lol

Author — True Neese


Einstein had only one fear, The patent office being closed against his will.

Author — Zeek M


Why dont you scientists do a good debate on different nature of forces

Author — Dhruv Kumar


I love Prof Al-Khalili's documentarys, he has a natural talent as a teacher (as well as his expert qualifications ) and he make the programs fun and entertaining. Please BBC keep showing more of Prof. Jim's science.

Author — bhgtree


That German contraption looks like a gun to me. Wonder where they put the gypsies in?

Author — Summer West


Some I
Of it might because on the other side of time and matter exemplified by the atom things exist beyond space and time.
That's one possibility.

Author — Daniel Brady


If only i could train my brain to love math, because then I might begin to truly understand what theoretical physics is like and its wonders. Strangely enough I could not get enough of these great videos.

Author — mads2a


0:16 "This solid kitchen, supports my weight. The flowing of food through it, always goes down me...and when I throw this doughnut, it always follows a predictable path"

In another dimension, he said that.

Author — madzangels


I don't have my homework on nano science because on the way to school, it took a different path.and it hasn't shown up yet.

Author — FEMA ZONE 6


He literally gave you a piece of the friggen UNVIVERSE AND WE DONT KNOW WHAT IT IS. LITERALLY WHAT

Author — Zulu Worthy


i really love professor Jim Al-Khalili as show host and those documentaries are great..i personally dont like the moments like at 17:10...i know its a "temporary thinking relief" but still... :-)