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Is anything truly random?

lannan13
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6/4/2015 9:03:32 AM
Posted: 1 year ago
At 6/4/2015 7:53:56 AM, Proving_a_Negative wrote:
Is anything truly random?

Everything is.
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Lee001
Posts: 3,168
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6/4/2015 12:36:12 PM
Posted: 1 year ago
At 6/4/2015 7:53:56 AM, Proving_a_Negative wrote:
Is anything truly random?

HEYYYYY!!!!!!! :D

^^^^ that was random.
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philochristos
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6/5/2015 12:53:43 AM
Posted: 1 year ago
At 6/4/2015 7:53:56 AM, Proving_a_Negative wrote:
Is anything truly random?

I guess that depends on your interpretation of quantum mechanics.
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Wylted
Posts: 21,167
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6/5/2015 1:06:20 AM
Posted: 1 year ago
At 6/4/2015 7:53:56 AM, Proving_a_Negative wrote:
Is anything truly random?

No, you got your answer now go away
Wylted
Posts: 21,167
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6/5/2015 1:07:37 AM
Posted: 1 year ago
At 6/5/2015 12:53:43 AM, philochristos wrote:
At 6/4/2015 7:53:56 AM, Proving_a_Negative wrote:
Is anything truly random?

I guess that depends on your interpretation of quantum mechanics.

It is either true or not iregardless of interpretation.
philochristos
Posts: 2,614
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6/5/2015 1:08:01 AM
Posted: 1 year ago
At 6/5/2015 1:07:37 AM, Wylted wrote:
At 6/5/2015 12:53:43 AM, philochristos wrote:
At 6/4/2015 7:53:56 AM, Proving_a_Negative wrote:
Is anything truly random?

I guess that depends on your interpretation of quantum mechanics.

It is either true or not iregardless of interpretation.

I stand corrected.
"Not to know of what things one should demand demonstration, and of what one should not, argues want of education." ~Aristotle

"It is the mark of an educated mind to be able to entertain a thought without accepting it." ~Aristotle
v3nesl
Posts: 4,476
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6/5/2015 9:17:09 AM
Posted: 1 year ago
At 6/4/2015 7:53:56 AM, Proving_a_Negative wrote:
Is anything truly random?

You might actually mean "Is any effect not due to a strict deterministic cause?". And that leads to the delightful subject of "first cause". Presumable the first whatever that caused the first whatever we might as understand as caused must itself NOT be caused, or self caused.

But as to 'random' - the useful way to look at it from an engineering viewpoint is as "noise driven". That is, being able to determine something about outcomes when you don't know the precise causation. If I flip a coin, I don't know the exact velocities and all that, but we can say that it will eventually reach a stable point with either the head or tails side facing up. So random is not uncaused in any way, just imprecise causation.
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Philocat
Posts: 728
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6/5/2015 9:39:05 AM
Posted: 1 year ago
Firstly we need to define 'random'.

Mathematically, an event is random if the probability of that event is exactly equal to the probabilities of all the other possible events that could have happened.

For example, rolling a three on a fair dice is random because the probability of rollin a three is equal to the probabilities of all the other possible events (such as rolling a 2 or a 6).

So now the question is whether, in a given situation, all the possible events have an equal probability of occurring.

Since perfectly fair dice or coins don't exist (probably), the only example of random events I can think of is radioactive decay, where at a given time there is an equal probability of any nucleus decaying.
sadolite
Posts: 8,837
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6/6/2015 8:40:19 PM
Posted: 1 year ago
At 6/4/2015 7:53:56 AM, Proving_a_Negative wrote:
Is anything truly random?

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belladb8s
Posts: 46
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6/7/2015 11:00:47 PM
Posted: 1 year ago
No. Scientifically impossible...essentially it is what caused Einstein's EPR paradox (this tie is something one can only make with an understanding of physics) and subsequently, and most interestingly in my opinion, Bell's Inequality. It's all super cool (and I am not advanced enough to explain it well enough) but I must urge you read about it.
belladb8s
Posts: 46
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6/7/2015 11:03:52 PM
Posted: 1 year ago
But to simplify it down...(this is not 100% accurate, as it is near impossible to simplify quantum mechanics) Bell's Inequality is the closest plausible way we can reach a perfect random number/selection. Note I said closest...even it is not quite there. As far as we know, 100% random doesn't exist.