It's all a matter of perspective.
In one exhibit, a stationary face stays still, while another appears to follow the viewer's movements.
In another exhibit, a ball appears to be moving back and forth, but from other perspectives, it appears to be going in a circle.
Another exibit appears to be about one thing, the simple act of bouncing a basketball, but ends up being more than meets the eye.
All three exhibits are part of a larger new exhibition opening this weekend at the Museum of Innovation and Science, or miSci, in Schenectady, formerly the Schenectady Museum.
The exhibition, called "Seeing," is the first part of a five-year collaboration between miSci and San Francisco's Exploratorium.
It is the first new exhibition since the Schenectady Museum changed its name to miSci in August.
Opening day is set for Saturday and includes planetarium shows, electricity demos and a special pinhole magnifier hands-on activity. Saturdays in October are also GE Kids in Free Days at the museum. Children 12 and under receive free admission when accompanied by a paying adult, courtesy of GE.
"Seeing" is presented through sponsors Neil and Jane Golub and National Grid.