You know how sometimes your tummy hurts because you ate too many cookies? Well, imagine if you had a really strong medicine that could make your tummy feel better in just a few seconds. That medicine is called a superacid.
But wait, what is an acid? You know how sometimes oranges taste sour? That's because they have something in them called citric acid. And when you add vinegar to baking soda, you get lots of bubbles because of another type of acid called acetic acid.
Now, a superacid is even stronger than those types of acid. It's like a superhero among acids! It's so strong that it can even dissolve things that regular acids can't. That's why scientists use it for some really important jobs, like making new types of medicine or cleaning up chemical spills.
But be careful, because superacids are very, very strong. Just like superheroes, they can be dangerous if they're not used the right way.