Rocks become smoother as rough and jagged edges break off. Students run a model of this process by shaking sugar cubes and gravel together in a plastic container. The sugar cubes become smoother as their edges break off when they collide in the container.
By Diane Alter, Contributing Writer, Money Morning -. Gold prices today (Friday) climbed $18.90, or $1.66%, at $1,158.90, which was a six-week high for the precious metal. Gold prices today climbed after the release of the latest Federal Open Market Committee (FOMC) minutes.
Adjusting for inflation, gold's highest price point ever was on January 21, 1980 when the precious metal hit $850 only to plunge the very next day to $737.50, a 13% fall. READ: Now it's definitely here: the BEAR market in gold.