Clapping hands spew out a jet of air, visualized here by baby powder. That jet helps explain the sweet sound of applause. Yicong Fu, Cornell University By Emily Conover March 4, 2025 at 8:00 am ...

YouTube deserves a round of applause — because the video platform can now include [APPLAUSE] and other sound effects in a video’s closed captions automatically. The caption expansion ...

The results: The hand configuration that produced the loudest clap—85.2 dB—consisted of holding the hands 45 degrees to each other with the palms partially overlapping. If one were more ...