Doc: A paradox! Marty: What? Doc: A paradox! Marty: You mean one of those things that destroys the universe? — *Back to the Future II* A temporal paradox is any paradox that arises due to a person, object, or information, travelling backward in time. As discussed in Unbound…

A time-transmitter is usually bundled with a time-receiver, but time-receivers are so cheap that they are usually standalone units without a time-transmitter. The best place to locate a... wait a second. I really want to jump into the nitty-gritty about time devices, but I guess…