The Speed of Light in Air, Water, and Glass

Black hole or exploding star? Julia's been wondering how it all ends up. In the meantime, she's making fractals and hiding in plain sight in Washington, D.C. As she helps Kal find a lost diary from the Secret War in Laos and Tomoka shows her a series of found paintings from Heian Japan, she learns that each of us has the power to write history.