Big bangs, drumming booms, nerdy laughter and beer-brewing science are set to explode at the weeklong Atlanta Science Festival. The eight-day festival of science-related events will begin Saturday, March 22, and offer a range of activities at more than 50 locations across Atlanta. Festivities will conclude Saturday, March 29, at Centennial Olympic Park with a free family-friendly, all-day event of nonstop activities, experiments, pop-up interactive exhibits, mind-bending games and a lineup of science-oriented entertainment.