Explore the principles of lift, drag, weight, and thrust with hands-on activities for the whole family, including paper airplanes, egg drop, wind tunnel, and paper plate disc golf.
Wed.-Fri., Dec. 26-28, 11am-2:30pm. Adults, $8-10; ages 3-18, $8.50; under 3, free.
Science Mill, 101 S. Lady Bird Ln., Johnson City