A physics demonstration shows how bouncing balls can appear to keep moving endlessly, explaining the energy transfer and motion behind the effect.

A mix of expected sequels and out-of-nowhere indie gems made 2025 a joy.

This is The Athletic’s daily NBA newsletter. Sign up here to receive The Bounce directly in your inbox. On this day in 1996, the Dallas Mavericks made a shocking move by trading Jason Kidd just two ...