Use the sliders or the arrow keys/WASD to adjust the variables. Arrow keys adjust the number of loops in the coil and the speed. WASD adjust the inner and outer radii. Press V to hide or show the variables. Press B to change the backdrop. Press R to reset the clock variables. Press T to toggle 12- and 24-hour time. Space bar changes the color.
Yet another digital clock! May lag on slow machines. Music: Strauss, Also sprach Zarathustra.