How many persons really understood the theory of relativity by Alebert Einstein?

Question

What is really a fourth dimensional?..If a body can tracel at a speed of light, the mass of the body increases; we know that the air resistance is more with the increase in size of the object, hence is the theory of relativity valid in normal life?(other that in a vacuum space)

Answer 1

I think you can tell that by the answers above mine, that you are a Buffoon that probably thinks the apple falls from the tree because it's autumn.
People like Einstein, Galileo, Euclides, Plato and of course Leonardo Da Vinci, took us to the next level of understanding about our surroundings, how they came to be and their place in the Universe.
The fourth dimension is time... Light years are measured in time and distance. The further away... the longer ago...
With current technology, it would be unfeasibly expensive and exhausting of planetary resources to try to travel at the speed of light and where the hell would you go?
Your mass would increase, however so would the surrounding mass of your vehicle relative to yours (like when your in a car, you don't feel the forward motion as you are in the moving vehicle), time would also dilate by the time you were one light year away, it would be ten years later here..... Work that one out!

Answer 2

I think george is the buffoon, in science you should never assume that something is right just because it works in most situations. To question the known and the unknown is science and learning.

Assuming that the world is flat is a fair assumption and there is plenty of evidence to back it up. (obviously now we know that it isnt and consider this laughable but only because we have alternative models of the universe that fit it better)

Einsteins model fits most situations although is only valid between certain limits such is the complexity of life.

Models that include time as the fourth dimension may or may not prove useful in solving problems, at the moment it is fair to say that this seems a common sense approach to describing our universe. (x,y,z,t)

I think you answered your own question with the last statement, an object with mass can not achieve the speed of light, air resistance could be worked into the equation but it makes the equation more complicated and ruins the simplicity of what was trying to be acheived a formual for that describes the universe.

Answer 3

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Answer 4

Not me, that's for sure. But it's not through want of trying.

I've read so many books trying to get a handle on it because I feel it's so significant - but I can only get so far before I start losing brain cells.

I think, truthfully, comparitively few people completely understand it - astronomers, physicists and cosmologists make up a very small number in our society. So, not many!!

Answer 5

Absolutely it's relevant. Without relativity, GPS satellites would be off by kilometers within days. Granted, they are in a vacuum, but not far off! But the calculations are very important.

Answer 6

Certainly Ale berts wife understood the theory. And the guy who sits next to me in the pub knows all about it. But then he thinks Everton FC are the Liverpool seconds!

Answer 7

The stipulation, comment (or assumption) here doesn't seem to make sense in the context of the question.

As far as the answer to the question itself is concerned, I concur with yahoohoo, i.e. every physicist & mathematician and many educated people - it's not rocket science after all:-)

Answer 8

once somebody asked Arthur Edington 'is it correct that there are only 3 persons on the earth who understood relativity?' . His reply was 'who's the third?'

Answer 9

I think his mom did, is that relative enough? seriously, check out the latest issue of Science

Answer 10

There were 2 scientifically minded people who showed flaws in Einstiens theory. then proved it.