I didn't do anything special with my hair other than simple waves for an effortless look. (poshscene.com)
Workout Summary If you want to get the full benefit of Battle Ropes, it's time to do more than simple wave drills! (onnit.com)
His most famous achievement, Fourier's theorem, allows complex periodic processes to be broken down into a series of simpler wave motions. (sciencenews.org)