
John Aslandis, Sonic Current No 1 (2006), Oil and Acrylic on canvas, 42" x 50"

Cathy Blanchflower, Xenon VI (2007), Oil on canvas, 58" x 48"

Helga Groves, Precipitation (2007), oil, pigement and medium on canvas, 39.5" x 55'
The Perceptual Observer is a timeline devoted to perceptually or optically based art. Comments may be sent to q2222@earthlink.net.