[eesmith]

Just because it seems to fall, doesn't mean it's actually falling.

The Shepard tone is an auditory illusion where the tone seems to be continually rising or falling in pitch.

I've seen old films. They had terrible morals, like rich people straight-out slapping servants they felt were doing wrong, and of course the near omnipresent racism and sexism.

I totally expect the generation at the end of this century to despise our immoral pollution of the planet.