The Sacramento Weavers’ and Spinners’ Guild is pleased to host Bobbie Irwin who will speak on, “Shimmering Colors: The Magic of Iridescence.” By understanding iridescence, fabrics can be woven that change color as the light and orientation changes. Tuesday, April 23, 2013, 10:00am to 2:00pm, Shepard Garden and Art Center, 3330 McKinley Boulevard, Sacramento. $3.00 donation is appreciated. For information, call 916 508-8984