Can our thoughts, meditation, and prayers change the world? Of course, for starters, they can change the way we speak and act, thereby indirectly changing the world. Beyond that, some speculate that our minds may be able to change the world more directly.
According to this study, for example, the results of flipping coins were less than random to a statistically significant extent when persons were told to try to get more heads than tails. Still skeptical? Maybe one of these Christmas gifts, Force Trainer Toy or Emotiv, will make the possibilities obvious enough to convince you.
Anyone want to play Yahtzee over the holiday break? ;-)