What Einstein actually meant was that there is no mathematical trick that can help you win at roulette. Each spin is an independent trial and, in the long run, the casino will win. This is different to a game such as Blackjack where the probabilities change as cards are dealt.
Based on the same physics that explains that a ball rolling uphill will lose speed and a ball rolling downhill will gain speed, physicists have shown that, given factors including the release point and initial speed of the roulette ball, a tilt of the wheel leads to a preference for the sectors from which the ball will ...