Special Relativity | Lecture 1
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(April 9, 2012) In the first lecture of the series Leonard Susskind discusses the concepts that will be covered throughout the course. In 1905, while only twenty-six years old, Albert Einstein published "On the Electrodynamics of Moving Bodies" and effectively extended classical laws of relativity to all laws of physics, even electrodynamics. In this course, Professor Susskind takes a close look at the special theory of relativity and also at classical field theory. Concepts addressed here includes space-time and four-dimensional space-time, electromagnetic fields and their application to Maxwell's equations. Originally presented in the Stanford Continuing Studies Program. Stanford University: http://www.stanford.edu/ Stanford Continuing Studies Program: http://csp.stanford.edu/ Stanford University Channel on YouTube: http://www.youtube.com/stanford
Comments
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at around 37:00 shouldn't x+t=0?
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Makes me wanna puff a fat joint.
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Why does he write "V", and say "Z?"
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Who knew John Malkovich could teach physics?
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hey everyone i have a doubt in special relativity i hope you will explain it
imagine a spaceship which is moving with high velocity in interstellar space if the light ray is travelling away from it time have to slow down so as to keep velocity of light constant but if the same light ray is travelling opposite [towards] to the spaceship will time runs fast in that ship ? -
Wow, this prof is really good. Never in my lifetime I can get to be lectured on Can'tafford university. XD
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Very nice lecture by the professor, inspiring!
I have three important questions which are still bothering me:
1) Why is the speed of light in vacuum always constant in all inertial or non-accelerating frames of references? What about the speed of light in non-inertial or accelerating frames of references? Does it increase or decrease or still remain constant?
2) Why does the speed of light in vacuum happen to also be the cosmic speed limit?
3) Are the effects of Special Relativity like length contraction and time dilation mere perception to the human eye or the human mind; OR, do they actually happen in reality? -
YOU ARE LEGENDS. THANK YOU FOR THE VIDEO LECTURES. Forever in your debt.
Grateful. -
God bless you guys, Jesus loves you, I'll be praying for you all.
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the begining of my argument to high court and ausralian military for the federation of australia BY BOHR LAW OF THE ATOM AND ELECTON STIMULATION IT IS THE PHOTON RELEASED, THATS IS MY TRUTH LIKE THE LIGHT OF JESUS
I KNOW MADELUNG'S CONSTANT THERE FOR I UNDERSTAND THE RULES THAT DICTATE THE FORMATION OF CRYSTAL EVEN THAT TO CREATE THE IMMORTAL DIAMOND OF THE BODHI STAVA (THE PyLOSEPHERS STONE )
THE UNIVERSE IS CREATE THROUGH FRAQTUAL MITISIOS JUST AS SINGLE CELLS DIVIDE ,
HUMAN ANIMALS GIVE BRITH TO CHILD
SO DO GALAXIES DIVIDE INTO BEING ITS ALL BIOLOGY ITS ALL CHEMISTRY E=MC2
AS I KNOW IT FLUORIDE THAT CAUSES DIMENTIA THROUGH CALCIFICATION ON THE PINEAL GLAND we know we are multi dimensional beings the tachyon is a part of my being that exists in another dimension there for so do parts of our own being
WE ALL KNOW please /EXCUSE ANy SPELLING ERRORS IM DISLEXIC My ABILITY TO COMMNCATE AND WRITES AS WELL AS I DO IS PROOF OF MY GENIUS -
At 1:26:15 there should be something wrong with the drawing because t' looks larger than t
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Why can we be allowed to move away from constant time and lengths by neglecting different frames of reference and inventing such a skewed up way to look at synchronicity of clocks? That seems just ignoring the fact that something is not happening at same time and we can't be sure of synchronous clocks. We create new problems. Of course such opposing argument/question/problem makes relativity theory hard to explain.
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how does one prove the invariance of space-time interval?
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this video is amazing. Truly easy and fundamental. Thank you so much for the upload. Much appreciated. And professor Susskind, I must say that I am a big fan!
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Lots of people are confused by x + t being a constant, so.. here's an algebraic proof I drew up for those interested.
so, a line with that angle has a slope of 1, or -1.
In other words, f'(x) = +- 1
so, if we take the antiderivative, we have..
f(x) = +- X + A
where A is a constant.
so, where the slope is positive, f(x) = x + 1, we can express it as x - t = constant
or rather, x - f(x) is a constant.
how is this?
X - (X + A), or..
X + F(X) = -A
-A
That's not a variable.. that's a constant. Replace F(X) with t because t is on the y axis there, and you have your answer.
meanwhile, X + (-X + A) (negative slope)
(X - X) + A
A
Also a constant. -
Says that he's not going to get in depth about inertial frames of reference..... begins explaining inertial frames of reference LOL
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guys im confused
which should i study first ??
special relativity or general relativity ????
plzz help -
Poincare asserted the laws of physics are the same in every reference frame, Michelson and Morley concluded the speed of light is constant in every
direction, and, in accounting for this phenomena, Lorentz accounted
for the fact everything is made of electrons and that electrons and
anything made of electrons undergoes transformations. Lorentz
formulated his four equations (the Lorentz Transformation), showing
contraction of time and space in the direction of motion, while no
contraction perpendicular to the motion, thus altering our concepts
of space-time -- So, what is Einstein's contribution (especially
since the former all pre-date him)? At best, Einstein is getting
plenary credit for "popularizing" a theory that was already
established. -
Well explained..... btw 1:43:14 lol :D :D
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Not even in italy
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