Converting CO² back to 0² by atom smashing.

I don’t know, but can you imagine the person who invented the clap-on demonstrating the device to a bunch of people and the people at the end start clapping out of habit and cause a power outage?

I’m actually not sure it’s a cultural universal. I mean, snapping has seen use even in some subcultures within the West. I’ve seen stomping used for a similar purpose, as well. The point is I guess just to make noise communally.

Fun fact, the kiss might not be universal depending on who you ask, either.

To kill Demodex mites on our hands that could possibly contaminate something we’re working on

Because Jeb! requires it. Now clap.

If it’s after something like a concert it’s people catching the leftover sound waves from the music in their hands so they can take them home and keep them

Because we can’t afford to actually pay our national healthcare workers a living wage, we simply stand outside on some nights and clap together for them in unison. This gives 51% of the country warm feelies, which is much more important than actually paying these essential workers.

How can she slap?

its something that started with one person and spread to others. We clap because others clap. Its something we got from others.

Cos the bastards stopped me banging my shield

We’re smashing the invisible fairies that otherwise might whisk away talented people.

To turn the light off/on

because someone once again leaked classified documents on the War Thunder forums

Because claps are the only currency accepted on the secret market where medical workers buy their groceries.

To prove our superiority in grace over sea lions, who also can clap, but not as gracefully