@bitesizedhistory_: This candy wasn’t designed to be quiet. When Pop Rocks were released in the 1970s, they were created by trapping carbon dioxide inside hard candy. As soon as the candy touches moisture, the gas escapes — and that crackling sound is the point. What started as a food science experiment turned into one of the loudest candies ever made. Food History Food Facts Did You Know Food Food and Culture History of Food Food Origins Global Food History #FoodTok #DidYouKnow #HistoryTok #PopRocks #FYP