It was more than even the most ardent advocates expected. After all the demonstrations of superhuman prowess, and the debates over whether the technology was humanity's best invention yet or its surest route to self-destruction, artificial intelligence landed a Nobel prize this week. And then it landed another. First came the physics prize. The American John Hopfield and the British-Canadian Geoffrey Hinton won for foundational work on artificial neural networks, the computational architecture that underpins modern AI such as ChatGPT.

This essay first appeared in our "Home" issue way back in 2013. But somehow feels so timely today. Halfway through director Alfonso Cuarón's Gravity, Sandra Bullock suffers the most cosmic case of homesick blues since Keir Dullea was hurled toward the infinite in 2001: A Space Odyssey nearly half a century ago. For Bullock, home is (as it was for Dullea) the Earth, looming below so huge it would seem she couldn't miss it, if she could somehow just fall from her shattered spacecraft. She cares about nothing more than getting back to where she came from, even as 2001's Dullea is in flight, accepting his exile and even embracing it.