General perception states science and art are mutually exclusive fields. Bay Area artists Paul Baker and Chris Angell beg to differ. In their art show “Celestial Navigation,” March 17-21 at the Live Worms Gallery, Baker and Angell begin to blur the dividing line. Baker, a self-described “scientific artist,” combines exotic materials like jade, mercury, petrified mammoth tusk, and laser beams to create ornate machines resembling a Niels Bohr experiment. Multi-award-winning assemblage artist, Angell constructs raw-looking sculptures from slightly modified found objects. It