Could we ever be Time Lords?

Via Crooked Timber, a link to an article in The Age on the physics of time travel. Most interesting for my purposes are the references to the Gwyneth Paltrow film, Sliding Doors, as an illustration of the “many universes” hypothesis, and to Stephen Hawking’s “Chronology Protection Conjecture,” which, according to Leo Brewin, basically implies that time travel paradoxes won’t happen because we can’t make sense of them.

Game Update: Alas, it looks like I bragged about my the Braves a little too quickly. They’ve come back a little (it’s 4-2 as I write), but they are almost out of chances. Maybe I could build a time machine and get the Cubs’ bus lost in Atlanta traffic….

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