A child looks at a simulation of Earth's weather in Aerocene's exhibit at the week-long Cambridge Science Festival April 20. The festival is hosted annually to encourage youth to explore science through interactive exhibits and workshops. Ethan Sit–The Tech Apr. 26, 2018 Facebook Twitter Reddit Print A child looks at a simulation of Earth's weather in Aerocene's exhibit at the week-long Cambridge Science Festival April 20. The festival is hosted annually to encourage youth to explore science through interactive exhibits and workshops. Ethan Sit–The Tech