Clapping creates sound through air pressure, not just hand impact. Shape, speed, and skin softness change the sound.

On the morning of March 6 around 2am, I awoke to a loud clap of thunder ... Rather than originating from a single point, these sound waves are generated along the length of a lightning stroke.

Clapping certainly seems to have been well established when ... For acoustic measurements like these, you generally need a short but loud sound source – and there’s nothing cheaper than a handclap. To ...