Comment There is no such thing as strictly random (Score 1) 210
At least not as far as anyone knows. This is not a scientific question, it is more of a philosophical or even a theological question. If there are deterministic physical laws governing how objects interact, then it is possible to predict anything. Realistically, no one will have the computational power to make such a prediction, so achieving randomness is really just a matter of achieving something close enough to truly random that no one can predict it.
In the Eudemonic Pie, some young iconoclasts managed to predict the "random" behavior of a roulette wheel. Any randomizing algorithm that you can find in a standard library assumes some environmental condition - often related to the time - is unknown. These are probably pretty good assumptions, but the results are not truly random.
The only way we could have true randomness is if there are some sort of measurable phenomena that cannot be predicted. Quantum mechanics dances around this question, and even if there is a state change that is genuinely random, it would be difficult bordering on heroic to measure it in a practical way so as to create a random number generator.