If I wanted to be really frustrating, I could just say knowledge, and that would be true.

[She offers Connor a quick smile, even as she offers the napkin, and moves to put her mug away, in the sink. She's gonna have to wash that. If she was feeling less paranoid, she would have drunk it, but who knows what Connor has been touching.]

Simply, I used a source of energy only I have access to to change the chemical composition. Much like cooking an egg, but a little more complicated.