Despite all the evidence confirming the existence of the Protheans, little is known about their culture and society. From time to time, dig sites will yield new clues, but after 50,000 years of decay, little of value is unearthed.

I thought of an old ad for Memorex audiotape. It showed a crystal glass being shattered by sound vibrations. By pure harmonics.

The appeal of a techno-fix is simple: it promises to cure problems without requiring society to change the habits that caused them in the first place.

Humph! she vouchsafed. Then, showing her old-time interest, she went on: But, say, it is queer, his speakin' to you, honestly, Miss Pollyanna. He don't speak ter no one; and he lives all alone in a great big lovely house all full of jest grand things, they say. Some says he's crazy, and some jest cross; and some says he's got a skeleton in his closet.