Vision is a constructive process. For example, a square, flashed at two distinct locations one after the other, appears to move smoothly between the two locations rather than as two separate flashes ...

When two stationary visual objects appear in alternating sequence, they evoke the perception of a single object moving back and forth between them. This is known as stroboscopic or apparent motion and ...

The best thing about PowerPoint is the animation. Building motion into slideshows makes them come alive like no static images could ever hope to do. It’s going to get even more interesting when ...