One Believes, from Victor Niederhoffer
One believes that the properties of random numbers with the variance = to the duration times the initial variance is not only why fires have a height equal to the breath but why 99% of observers see trends in time series when they are properties of random numbers.
anonymous writes:
Not unlike the sandpile. If one randomly drops grains of sand of onto a sandpile, the pile will grow and the slope will build up until the slope exceeds a specific threshold value, at which time the sandpile will begin to collapse.