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How Feynman Diagrams Almost Saved Space

Richard Feynman’s famous diagrams weren’t just a way to do calculations. They represented a deep shift in thinking about how the universe is put together.

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Time’s (Almost) Reversible Arrow

The irreversibility of time may be a clue as to what makes up the universe’s dark matter.

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Science’s Path From Myth to Multiverse

In his latest book, the Nobel Prize winner Steven Weinberg explores how science made the modern world, and where it might take us from here.