World Quantum Day 2026 Doodle - Google Doodles

About the World Quantum Day 2026 Doodle

This Doodle features the Bloch Sphere, a visualization of how a qubit works. While a classical computing bit is strictly 1 or 0, a qubit can exist in a blend of both, called a superposition. By harnessing superposition, along with other quantum properties, quantum computers can solve specific, complex problems that are out of reach for today’s supercomputers to solve.

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The very first Doodle launched as an “out of office” message of sorts when company founders Larry and Sergey went on vacation.

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The first Doodle launched in 1998, before Google was officially incorporated.

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The first animated Doodle premiered on Halloween 2000

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The first same day Doodle was created in 2009 when water was discovered on the moon.

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Doodle for Google student contest winners have gone on to become professional artists

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The time it takes from sketch to launch for a Doodle varies widely: some have taken years and others just a few hours!

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Hundreds of Doodles launch around the world every year. Often, several different ones are live in different places at the same time!

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Our most frequently recurring Doodle character is Momo the Cat - named after a real-life team pet!

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The official term for the artists that work on Doodles is "Doodler"