She knew of superstring theory, but she didn't exactly read about it in her spare time. She also didn't know who Auntie Beeb was, but she guessed it was probably some British thing, a pop culture divide, like Monty Python versus Laugh-In.

She left him to his own purchases, making a few of her own, and their idle chatter made for pleasant enough company for the rest of the afternoon, until it was time for her to go and find herself some tickets for the opera.