1. Create a new 500x500 pixel document and name it Glow Waves. Now press D and then select the gradient tool.Then select linear gradient. Also in the top bar, set the mode to 'Difference'. Now press D to set black as your foreground color, then click and drag multiple times. Keep click and dragging the gradient tool until you get your desired look.
2. Next, add a wave distortion with settings [Type: Sine, Undefined Areas: Wrap Around, Number of Generators: 700-800, Wavelength: Min. 500 Max. 900, Amplitude: Min. 1 Max. 458, Scale: Horiz. 1% Vert. 1%
3. Now you can add color to the image by, creating a new layer and filling it with a color of your choice. Then set that layers blending mode to 'Color'. There you have a cool looking abstract piece of art.
More Tutorials: 
