Discovered by accident in the 1950s by a food chemist who was trying to create a sort of instant soda pop, the candy is the result of carbon dioxide (CO₂, the same gas that makes champagne ...

Pop Rocks is hard candy that is infused with CO2 (carbon dioxide) at a very high pressure -- about 600 PSI. The average car tire is around 60 PSI, so this is a lot of pressure.

What Are Pop Rocks? The history of Pop Rocks goes back several decades. Despite this, some readers, whether residing in the U.S. or in other countries, may not be familiar with the candy.

Mitchell called it “atomic candy” and patented it in 1961, but no one beyond his party guests got to try it until General Foods bought the rights and brought it to market as Pop Rocks in 1975.

As tastes change, many snacks and candies disappear. However, this old school American candy vanished for two years and then ...

Disposal: All solutions used in this experiment can be disposed of down the drain with running water. Unused Pop Rocks ® candy can be disposed of in the trash. Introduction of activity Pop Rocks ® is ...