system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: How does the candy Pop Rocks work?

Can someone explain to me how the fuck these rocks keep popping in my mouth? Also is there any other food that "pops" in your mouth like Pop Rocks?
gpt
The syrup mixture is pressurized with carbon dioxide which forms pressurized bubbles. When your saliva or teeth break through to those bubbles, the pressure releases. Even the tiniest pieces and shards contain more bubbles, so it will continue to pop til melted.