Happy Pi Day, everyone!

To celebrate, our friend Samantha brought in her knitted Pi blanket to share. After the first hexagon with the letter ? embroidered on it, the first 127 digits of Pi are shown using the resistor color code to represent the value of the digit. Samantha is donating this quilt to the Project Linus, an organization that gives blankets to children who are seriously ill, traumatized, or otherwise in need.

For those in the San Francisco area, the Exploratorium is celebrating the 25th Anniversary of Pi Day from 1 pm to 3 pm in front of their soon-to-open new location at Pier 15.