David Richeson discusses the history and significance of the four color theorem.

A brutal heat wave across the eastern United States trapped millions of people in sweltering air this week with record-high temperatures.

How Russia's gradual gains in the face of fierce Ukrainian opposition have affected the front line in recent months.

Video-based point cloud compression (V-PCC) converts the dynamic point cloud data into video sequences using traditional video codecs for efficient encoding. However, this lossy compression scheme ...

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