I hope it's not one way... We really don't have that kind of technology where I'm from.

But if the field were out in the open we'd be able to pass between them freely. That might be hidden too though. They did say at the beginning that there was a chance we'd be sent home so they must have provided a way out, although that might have all been a lie...

[He's really trying his darnedest to be positive and it's actually a good deal more than he can normally manage]