I don't know how my face conveyed that information, or what kind of internal...

I don't know how my face conveyed that information, or what kind of internal wiring in my grandmother's mind enabled her to accomplish
this incredible feat. To condense fact from the vapor of nuance."
Condense fact from the vapor of nuance. Hiro has never forgotten the sound of her speaking those words, the feeling that came over him as he realized for the first time how smart Juanita was.