Shoot air cannons and learn the physics of the vortex? Build mountains and valleys and watch a river turn them into plains, gorges and deltas? See how common hardware parts can be made into cool machines? Play basketball with robots? Get engaged in the real life cloak-and-dagger of cybersecurity? Hear the sound of NASCAR thunder, and see how the engines are built? The UNC Charlotte Science & Technology Expo is where, on Sunday, April 21, from 10 a.m. to 2 p.m. on the campus’ Student Union Mall.

Price: free