How do you send a message across a dark night—or across deep space? Patriots used lanterns to send critical messages at the dawn of the American Revolution. 250 years later, astronauts on the Artemis II mission used lasers to send live video all the way from the far side of the moon! Join us for a time-traveling adventure to discover how humans have spent the last two and a half centuries mastering the nature of light to communicate.

• See how early patriots encoded messages with light! 
• Test your timing and speed using Morse code! 
• Discover the precision needed to hit a target from the moon! 
• Learn how to make your own light-sensitive paper!