In the endless debate, T'Pol made an allowance.

"If I for the moment choose not to dispute time travel as a possibility, I must still say gainsay your escape from a future bereft of any technology, save that you had on you."

Archer shrugged.

"Understood. But one thing turned the tide. It was an invention of Doctor Phlox's meant to safely discharge energy from equipment. It can hold a tremendous charge, and then process it back again very efficiently."

T'Pol nodded.

"So what you are saying is that time travel is entirely possible, if in fact one is using the Phlox Capacitor."