1)   Diffusion, The screen saver 1.0 Balls move around your screen, bouncing off each other. You can control their number and speed or let your computer make these decisions for you. 2)   Elastic Balls, The Screen Saver 1.0 Elastic balls move around your screen, bouncing off each other. You can control their number and speed or let your computer make these decisions for you. 3)   Particles, The screen saver 1.0 Particles move around your screen, bouncing off each other. You can control their number and speed or let your computer make these decisions for you.