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Computer simulations and custom-built quantum analogues are changing what it means to search for the laws of nature.

Studying the structure of existing friendships in your community can help you forge the best connections when forming a new circle of friends.

How many colors do you need to color an infinite plane so that no points 1 unit apart are the same color?

Scientists seek a single description of reality. But modern physics allows for many different descriptions, many equivalent to one another, connected through a vast landscape of mathematical possibility.

What does John Nash’s game theory equilibrium concept look like in Rock-Paper-Scissors?

Gravitational waves have opened up new ways to test the properties of black holes — and Einstein’s theory of gravity along with them.

The theoretical physicist Joe Polchinski, who died February 2, left a tremendous professional and personal legacy, says a friend and collaborator.

Simple math shows how widespread vaccination can disrupt the exponential spread of disease and prevent epidemics.

For decades, physicists have struggled to create a quantum theory of gravity. Now an approach that dates to the 1970s is attracting newfound attention.