How does a computer know where you're looking?
- Written by Ann McNamara, Associate Professor of Visualization, Texas A&M University
 How much information is too much? And where should it go?Heads-up display image from shutterstock.com
How much information is too much? And where should it go?Heads-up display image from shutterstock.comImagine driving a car, using a heads-up display projection on the windshield to navigate through an unfamiliar city. This is augmented reality (AR); the information is used to not only guide you along a route, but also to alert you to salient...

