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International Day of Light

May 19 @ 1:00 pm - 5:00 pm MST

International Day of Light informational flyer

Annually observed on May 16th, the International Day of Light is a global celebration honoring the multifaceted significance of light in science, culture, and beyond. From its pivotal role in advancing education and fostering sustainable development to its artistic and technological applications, light illuminates paths to progress and understanding. This day marks the anniversary of Theodore Maiman’s groundbreaking demonstration of the first functional laser in 1960, showcasing how scientific breakthroughs can profoundly impact society across various domains, from communications to healthcare and beyond. Join communities worldwide in commemorating light’s transformative power and its contributions to a brighter, more interconnected world.

We’re proud to be a Diamond Sponsor at the International Day of Light celebration, on May 19, 2024, in Tucson, Arizona. This free, annual, half-day event is hosted at The University of Arizona’s Flandrau Science Center & Planetarium and brings together students, educators, and STEM enthusiasts of all ages to connect and learn about the science of light. You can expect free planetarium programs and optics activities for all. We hope you’ll join us!


May 19
1:00 pm - 5:00 pm MST


Optics Valley


Flandrau Science Center & Planetarium
1601 E University Blvd
Tucson, AZ 85721 United States
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