She recites the principal metals, and has Sophie repeat them: gold, silver, platina, quicksilver, copper, iron, lead, tin, aluminium.

In √a̅+̅b̅, the horizontal bar or vinculum is actually a parenthesis that groups a+b. Without it, √a+b might mean b+√a̅ or it might mean √a̅+̅b̅. Nevertheless, the square-root sign without the vinculum is often used […] .

I'm not saying that, Vil. I only say what you hear me say and you haven't heard me say that. But, Vil, to get out we're depending on you. I can't call for help because I can't aim a hyperbeam without knowing where we are: I can't find out where we are because I can't pinpoint any stars—

All these species are climbing, briery plants, having long slender roots, which proceed in all directions from a common rootstalk or rhizome.