Sachi’s Isochron

Sachi's Isochron, a permanent window installed high on the southwest rotunda wall, creates a mystical acknowledgement of time and date. The use of Dichroic Glass enables the transformation of the daytime image of a yellow sundisk to a blue crescent at night. Also, twice a year at noon, a red triangular area is illuminated for an hour, marking the dates of the autumnal and vernal equinoxes. With the help of an astronomer, Warren Carther achieved this effect by attaching a mechanical device at the rear of the glass panel that aligns itself with the sun on the equinoxes. Carther received a BFA in glass blowing at the California College of Arts and Crafts, 1978. Having produced over 60 projects in his career, Warren Carther has installed permanent works in Japan, Hong Kong, France, Canada and the United States.