ELI5: Explain Like I'm 5

2-Acrylamido-2-methylpropane sulfonic acid

So, you know how people can make different things out of different toys and materials? Scientists do that too! They can mix different things together to create something new, kind of like making a new Lego creation.

One thing scientists have made is called 2-acrylamido-2-methylpropane sulfonic acid. That's just a really, really long name for a chemical that they made by mixing different things together.

Now, this chemical is really special because it can do a lot of things. It can absorb water really well, which means it's really good at helping things stay hydrated. It can also stick to other materials, which makes it useful for making glues or coatings on things.

Scientists have even used this chemical to make things like contact lenses, because it's so good at holding onto water and staying put.

So, even though the name is super long and kind of hard to say, remember that it's just a mix of different things that can do really cool stuff!