This can't be!
He rolls his wheel chair to the central board and points to a segment of the equation.
According to this... time exists as a stream that flows both forward and backward!
KRAVITZ gets a gleam in his eye and nods. He walks up behind the doctor's chair
I knew you would see the subtle underpinnings! Precisiely! In order for the cosmological constant to be maintained, time must be manifested as ... as you say... a time stream. One that can be navigated.
Polynopolis, in disbelief, brings his hand down on the controls of his wheel chair and backs violently over Kravitz' foot.