Slow Motion Photography
With shows like Time Warp and Mythbusters featuring heavy use of slow motion clips, these effects have slipped into mainstream photography as well. Slow motion is achieved by using high speed photography which captures frames quicker than they will be play backed. Therefore when you watch your film in real-time there are more frames to go through and everything moves slower. These specific frames can also stand as great pieces of photography.
Here are some great examples of what you can achieve with slow motion photography.