what is Einsteins theory of relativity?

Answer 1

special theory - nothing goes faster than light, approaching speed mass becomes infinite - time dilation. time is 4th dimension. As c is constant space and time become relative.

general theory - gravity analagous to acceleration. light traces out straight line in spacetime, if light is bent, spacetime must be curved - matter distorts spacetime.

There you go.

Answer 2

It's really complex, but a simplified version is available.
Basically you work your fingers to the bone for 10, 20 years at a place you think is fair.
Then, when a promotional opportunity opens up, you assume you are the most logical candidate for promotion.
But, lo and behold, the owner/manager has a young niece or nephew who just graduated college. This news has little relevance at first glance, they are just out of college and have no clue on how to do things at Conglomo Corp. where you work.
Sadly, this illusion of fairness is shattered as the young person is promoted ahead of you, and all those pay advances you were counting on, go to the younger person.
Because they are a relative of the manager, this effect is called the theory of relativity.
This phenomenon was first discovered by Einstein when he was laboring away at a small family run laboratory and physics department at Friggendorfer Univeristy. Einstein tried to comprehend why this had taken place? How could he, a man of estimable intelligence have been passed over. He mulled this over for weeks in a bitter, bewildered state, then like a bolt of lightning (or as he said in German Ein Bolt of Blitz!) it dawned on him.
Relativity was the key, being a blood or marriage member of the management or owner's family was the true key to success in most endeavors. Wow! Talk about a moment of epiphany. Now all of those promotions at work made sense!
That is why Einstein mostly worked as a hair style and fashion designer until he passed away.

Answer 3

The theory involves a lot of things, but mainly that reality is determined by each person's perspective.

Also that once the speed of light is passed, there is no time.

Answer 4

Aero,Waters,Soil, Fiery. The mixture would be depends on turn of the Soil,that is the Earth, on its own axis in conjuction with that of The Moon,Mercury, Venus, Neptunus, Saturnus and all the other inner planets,for this matters,I'd bet ?

Answer 5

E=mc^2 where E= energy, m= mass, c= velocity of light (3*10^8)m/s........

Answer 6

E=mc2
With simple words:
Relativity is almost same like depends on something.
Example:
If you sit talk with your parents, you feel like it took so long of your time and makes you feel boring.
but if you talk with your girlfriend with the same topic and the same time, you won't think that it took so long. You must be think that its timeless and fun.
So, it depends on the way you're thinking.
Hope that I'm right =D

Answer 7

The General Theory of relativity
Physical origins

The general theory of relativity derives its origin from the need to extend the new space and time concepts of the special theory of relativity from the domain of electric and magnetic phenomena to allof physics and, particularly, to the theory of gravitation. As space and time relations underlie all physical phenomena, it is conceptually intolerable to have to use mutually contradictory notions of spaceand time in dealing with different kinds of interactions, particularly in view of the fact that the same particles may interact with each other in several different ways—electromagnetically, gravitationally, and by way of so-called nuclear forces.

Newton's explanation of gravitational interactions must be considered one of the most successful physical theories of all time. It accounts for the motions of all the constituents of the solar system with uncanny accuracy, permitting, for instance, the prediction of eclipses hundreds of years ahead. But Newton's theory visualizes the gravitational pull that the Sun exerts on the planets and the pull that the planets in turn exert on their moons and on each other as taking place instantaneously over the vast distances of interplanetary space, whereas according to relativistic notions of space and time any and all interactions cannot spread faster than the speed of light. The difference may be unimportant, for practical reasons, as all of the members of the solar system move at relative speeds far less than 1/1,000 of the speed of light; nevertheless, relativistic space-time and Newton's instantaneous action at a distance are fundamentally incompatible. Hence Einstein set out to develop a theory of gravitation that would be consistent with relativity.

Proceeding on the basis of the experience gained from Maxwell's theory of the electric field, Einstein postulated the existence of a gravitational field that propagates at the speed of light, c, and that will mediate an attraction as closely as possible equal to the attraction obtained from Newton's theory. From the outset it was clear that mathematically a field theory of gravitation would be more involved than that of electricity and magnetism. Whereas the sources of the electric field, the electric charges of particles, have values independent of the state of motion of the instruments by which these charges are measured, the source of the gravitational field, the mass of a particle, varies with the speed of the particle relative to the frame of reference in which it is determined and hence will have different values in different frames of reference. This complicating factor introduces into the task of constructing a relativistic theory of the gravitational field a measure of ambiguity, which Einstein resolved eventually by invoking the principle of equivalence.

Relativity of space and time

An Irish and a Dutch physicist, George Francis FitzGerald and Hendrik Antoon Lorentz, independently showed that the negative outcome of Michelson's and Morley's experiment could be reconciled with the notion that the Earth is travelling through the ether, if one hypothesizes that any body travelling through the ether is foreshortened in the direction of travel (though its dimensions at right angles to the motion remain undisturbed) by a ratio that increases with increasing speed. If ν denotes the speed of the body relative to the ether, and c is the speed of light, that ratio equals the quantity (1 - ν2/c 2)1/2. At ordinary speeds, c is so much greater than ν that the fraction, practically speaking, is zero, and the ratio becomes √1, which is 1; i.e., the foreshortening is nil; as ν approaches c, however, the fraction becomes significant. The travelling body would be flattened completely if its speed through the ether should ever reach that of light.

Suppose, now, that the variations in the speed of light were to be determined not by interference but bymeans of an exceedingly accurate clock and assume further that in such a modified experiment (whose actual performance is precluded at present, because even the best atomic clocks available do not possess the requisite accuracy) the motion through the ether were still imperceptible, then, Lorentz showed, one would have to conclude that all clocks moving through the ether are slowed down compared to clocks at rest in the ether, again by the factor (1 - ν2/c 2)1/2. Thus, all rods and all clocks would be modified systematically, regardless of materials and construction design, whenever they were moving relative to the ether. Accordingly, for theoretical analysis,one would have to distinguish between “apparent” and “true” space and time measurements, with the further proviso that “true” dimensions and “true” times could never be determined by any experimental procedure.


The limiting character of the speed of light

As the speed of one inertial frame of reference relative to another is increased, its rods appear increasingly foreshortened and its clocks more and more slowed down. As this relative speed approachesc, both of these effects increase indefinitely. The relative speed of the two frames cannot exceed c if lightand other electromagnetic phenomena are to travel at the speed c in all directions when viewed from either frame of reference. Hence the special theory of relativity forecloses relative speeds of frames of reference greater than c. As an inertial frame of reference can be associated with any material object in uniform nonrotational motion, it follows that no material object can travel at a rate of speed exceeding c.

Answer 8

THE SPEED OF LIGHT IN ALL FRAME OF REFERENCE IS SAME IT COULD BE INERTIAL OR NONINERTIAL FRAME OF REFERENCE.
THEY SHOULD BE EXPRESSED IN SAME UNIT

SIMPLY
AN HOUR SEEMS LIKE A MINUTE WHEN UR WITH UR GIRL FRIEND N A MINUTE SEEMS LIKE A HOUR WHEN U R SITTING ON A HOT PLATE.

Answer 9

http://csep10.phys.utk.edu/astr161/lect/history/einstein.html