EVERETT — What is the sound of one hand clapping? If said hand claps 403 times per minute, enough for an Everett teen to set a Guinness World Record, does it matter what it sounds like? Actually, yes, ...

Steve Smith receives slow hand clap after 'illegal' helmet causes delay Crowd at Worcester grew restless as it took 10 minutes for Australian to change to a helmet with stem guards before going on to ...

Hand clapping is ubiquitous behavior for humans across time and cultures, serving many different purposes: to signify approval with applause, for instance, or to keep time to music. Acousticians often ...