What causes that characteristic crackle?

By Ellen Phiddian
January 13 2022 - 11:00am
Popping candy is a treat and a science experiment all in one, but ever wondered what makes it crackle? Picture: Shutterstock.
Popping candy is a treat and a science experiment all in one, but ever wondered what makes it crackle? Picture: Shutterstock.

Reader Jennifer asked: What causes that characteristic popping candy crackle?

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