Google Celebrates World Quantum Day 2026 with a Second Doodle

For the second consecutive year, Google is celebrating World Quantum Day with a dedicated Doodle on its homepage.

This year's animated artwork features the Bloch Sphere, a mathematical representation used to visualize the state of a single qubit. While a classical computing bit is strictly 0 or 1, a qubit can exist in a superposition of both states simultaneously. The Bloch Sphere captures this by mapping all possible qubit states onto the surface of a sphere, making one of quantum mechanics' most counterintuitive concepts accessible at a glance.

By harnessing superposition, along with other quantum properties, quantum computers can tackle specific, complex problems that are beyond the reach of today's supercomputers.

Following last year's Doodle, which used a thaumatrope to illustrate superposition, Google's continued recognition on one of the world's most visited websites highlights the growing visibility of quantum science and the global quantum community.

Check the Doodle here: https://doodles.google/doodle/world-quantum-day-2026/