[The siphon. Robert supposes it was only a matter of time before he was asked about that.

If anyone had the right to question him, it was Elizabeth.

And before he answers, he settles into his chair. This conversation might prove long.]

We designed it, yes. But as a conduit. A restraint on the powers of a child who didn't know what she was doing. It was meant to limit your powers until you were taught enough to control them.