There have been few experiments here. Our research in this world is very inadequate for any experimentation to be tried.

Our main focus so far has been recollecting our prior work, as we, unfortunately, do not have our books and notes.

[A minor setback, in his opinion.

They'd done it once, and, knowing that, could proceed with the knowledge first of recreating then adapting, rather than having to start without an inclination as to where to begin...

They'd done that once, and that was enough.]