The unidentified flying object shot down in Canadian airspace on Saturday appeared to be a “small, metallic balloon with a tethered payload below it,” according to what sources described as a Pentagon ...

Two relatively independent areas of visual cognition research examine important aspects of visual object understanding: Object Recognition and Perceptual Categorization. These areas have focused on ...

The quick and clear mental image of the real world helps people who are blind or have low vision focus on other tasks, or just enjoy the things around them A world of color and texture could soon ...