John Joh/star5112/Flickr Creative Commons

A bartender prepares cocktails using liquid nitrogen at Bourbon and Branch in San Francisco.

The weekend so close, you can almost taste it. Some of you might be planning to indulge in a delicious cocktail this weekend, but what if you're in the mood for something a little different?

Marina Mercer, a 29-year-old bartender at the Chandelier Bar in the Cosmopolitan Hotel in Las Vegas, mixes her potables with a heavy dose of science and technology, and a little spice, as well. Reporter Adam Burke prepared this refreshing story.