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Nobody expected this—not even its creators: ChatGPT has burst onto the scene as an AI capable of writing at a convincingly human level. But how does it really work? What's going on inside its "AI mind"?

By Stephen Wolfram

The Wolfram eTextbook series marks a shift in current academic courses, where today's computational technology is being used to minimize obsolete tasks and streamline learning. Over time, the series will take on a more revolutionary form as computation becomes relevant to a broader range of fields for the first time: the computational X paradigm.

Stephen Wolfram's writings span physics, computation, AI and philosophy—but what sets them apart is how they connect these fields into coherent frameworks. Across decades of work, he has regularly returned to a central goal: showing how seemingly separate areas of knowledge can be understood through shared principles.

Starting from a collection of simple computer experiments—illustrated in the book by striking computer graphics—Stephen Wolfram shows how their unexpected results force a whole new way of looking at the operation of our universe.

By Stephen Wolfram

As the world's first and only full-scale computational language, the Wolfram Language represents a milestone in the development of programming languages that makes leading-edge computation accessible to everyone.

By Stephen Wolfram