Located in Union Square, on Geary Street between Powell and Mason, Tangent Contemporary aims to challenge viewers’ perception as they are strolling by. The gallery showcases optically engaging paintings by Patrick Hughes, photo-mosaics by Robert Silvers, oversized candy sculptures by Peter Anton, hyper-realist paintings by Anna Halldin-Maule and Peter and Madeline Powell, alongside various works by American and international artists that utilize new approaches to traditional techniques.