Physicists Get to the Root of Randomness in Financial Markets

Unfortunately, no matter how much you know about a stock, you still can't know for sure how its price will change next. In the same way, no matter how much you know about a coin before it's flipped, you still can't predict which face it will land on next. The common factor? Randomness. In math and physics, random means basically the same thing as in daily conversation--unpredictable. A system is random when you can't predict an outcome with certainty, even when you have all of the available info...