Invisible Ink Secrets with Idea Hatch

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Each Wednesday in July join Heidi Larsen of Idea Hatch and explore a new STEM topic with a Pacific Northwest twist.  Today is all about invisible ink!

Learn about the history of Washington State's own Fort Ward in breaking codes and secret messages.  See how a real cypher wheel was used to break codes during World War II. Learn two recipes you can use to create your own invisible ink and learn how chemistry plays a role in this.

Follow the link to watch this video on July 29 or find it on the Timberland YouTube channel after the event.