Markham is surprised to see Peterson show up in the lab. He tries to convince him that he doesn't need to go stateside, but Peterson is insistent.
Peterson meets Catherine Wickham, and she is not too happy that Peterson pulled her away from her work.
Peterson goes to make some calls.
Markham and Catherine discuss the experiment and potential paradoxes.
Peterson returns to inform the duo that his staff has checked into people from the past who might have received the message.
They don't turn up much, just some junk about "spontaneous resonance" and messages from space.
Peterson requests Cathy (the scientist formerly known as Catherine Wickham) give him a briefing on her work. The two go into the office and Cathy begins drawing diagrams and symbols on the board.