Pr. Brian Cox - A Night with the Stars [BBC, Full Lecture]
Uploader Comments (iasedu)
Top Comments
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@Dannnytrules Quantum Mechanics is just a subset of quantum theory, QT contains also Quantum field theories such as QED (Quantum electrodynamics), QCD (Quntum chromodynamics) and the electroweak interaction which unifies the electromagnetism and the weak interaction in a single theory, you can add to that quantum gravity theories that are trying to unify quantum mechanics and general relativity in a single theory which are string theory then loop quantum gravity.
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@Deeraise It's only strange and unsettling if you decide to interpret it in some special way to begin with. The only mechanism of observation we have is visible light, photons. So if you want to observe the electrons as they pass the slits, you'll have to "bombard" them with photons. In so doing, you are providing the electron with another particle that in can interfere with instead. Without photons, it has to interfere with itself (which give the strange pattern).
All Comments (377)
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probability maths, isnt real maths, it doesnt prove anything
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Brian Cox and the BBC productions have singlehandedly created in the uk and the world a new love and appreciation for science and its many, many wonders to a vast, appreciative audience of people who may not have ever considered science or known little about it prior to these programs. Bravo!
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@simabah Yes simabah. Yes it is.
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at the very start of the video i had a little chuckle;
how mathematicians and scientists humour can come from someone scientificaly inept making a simple but law breaking mistake on a seemingly logical equation.
i dont know why, since im not very smart myself, but i always find logical humour to be the funniest :D
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In the first 5 mins, Deepak Chopra is debunked, once and for all! Good stuff!
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The path of least resistance is ...all there is.
I thought you couldn't take photographs of atoms?
HerpDerpBeehive 1 day ago
@HerpDerpBeehive You can't, because photo = light. But with electrons, you can. (Electron microscopy)
iasedu 1 day ago 2
Anyone know who the brunette in the red dress (front row) is? I'd like to do a single slit experiment with her.
Castleinthesky007 1 day ago 4
@Castleinthesky007 That's cheesy.
iasedu 1 day ago
Is this the "Theory of Everything"?
simabah 2 weeks ago
@simabah If you want a "Theory of Everything", you'd need one picture that describes the small world, the large world and the extremely small and the extremely large - and their behaviour. You also need all the forces acting in these worlds. We've come very far now, we just can't explain the extremely small world, and we can't make gravity into the picture with the rest.
iasedu 2 weeks ago 5