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THE LUMINARIUM

A Celebration of Light

In the hours before dawn

Welcome to the Luminarium, a sanctuary for contemplating light in all its forms — from the photons that traveled 8 minutes from our sun to illuminate this moment, to the candle flames that have companioned humanity through countless dark nights.

Today is Day 146 of the year. Light continues its eternal journey at 299,792,458 meters per second.

Today's Light Fact:
Our eyes have three types of color receptors: red, green, and blue cones

Today's Light Source: LED

The future of illumination

How it works: Electroluminescence

A Moment with Light

Light slows down in glass and water. It speeds up again when it exits.

"How far that little candle throws his beams! So shines a good deed in a weary world."

— Shakespeare

Explore the Luminarium

The Spectrum — Journey through violet to red, each color a different wavelength of electromagnetic radiation

Light Sources — From bioluminescent creatures to nuclear fusion in stars

Historic Experiments — The discoveries that revealed light's nature

Pioneers — From Ibn al-Haytham to Nobel laureates

Symbolism — Light as metaphor across cultures

Meditate — Contemplations on light with a seed word