U-M engineering professor Rohini Chandran and Ann Arbor Sustainable Energy Utility executive director Shoshannah Lenski discuss the emerging technologies of solar-to-heat and solar-to-fuel conversion. Hors d’oeuvres at 5:30 p.m. 6–7:30 p.m., Conor O’Neill’s, 318 S. Main. Free; drink purchases encouraged. Seating limited, so come early. (734) 764–0478.