When you clap, you’re creating what scientists call a “Helmholtz resonator,” which is the same principle that makes sound when you blow across a bottle opening.

Scientists finally crack mystery of how clapping generates sound - Study finds sound isn’t just from two hands smashing into each other ...

Scientists have finally unravelled the complex process that generates sound during handclaps, a discovery that shows how even simple acts can be rich with physics. The research, published in the ...

Study: Hand clapping is akin to a Helmholtz resonator Faster clapping yields lower-frequency sounds, as does cupping one's hands while clapping.