The National Center for Supercomputing Applications (NCSA) is a place where people can look at and use really powerful computers. It's like a way bigger and better version of the computers we use in our homes. The computers at the NCSA can be used to do things like help scientists solve difficult problems, like predicting the weather or researching ways to help cure diseases. And they can be used to help create really cool things like computer games or special effects for movies.