Refraction is merely one of several possible boundary behaviors by which a light wave could behave when it encounters a new medium or an obstacle in its path. The transmission of light across a boundary between two media is accompanied by a change in both the speed and wavelength of the wave. The light wave not only changes directions at the boundary, it also speeds up or slows down and transforms into a wave with a larger or a shorter wavelength.
Each varietal of red wine has a slightly different calorie content. According to the USDA, an average red table wine contains 125 calories for every 5 fl oz, or approximately 625 calories in a bottle. Syrah, Merlot and Cabernet Sauvignon have 122 calories in 5 fl oz, or 610 calories per bottle. A Pinot Noir has slightly fewer calories -- 121 calories in 5 fl oz, or 605 calories per bottle.
White Wines. White wine varieties typically contain about the same number of calories as red wine, with 192 calories in an 8-ounce glass of Pinot Grigio, Riesling and Sauvignon Blanc. The Pinot Grigio and Sauvignon Blanc also contain less carbohydrates per glass with about 5 grams per 8 ounces.