Entangling Billions of Qubits

entanglement of qubits
Ten billion qubits are entangled in this tiny cube of silicon. The object in the background is a penny provided for scale.

This small grey crystal of silicon inside a glass test tube contains 10 billion pairs of entangled spin qubits. Qubits are potentially computing elements in powerful quantum computers that could solve problems beyond the capabilities of conventional computers.

Related Abstract

Gray arrow  Entanglement in a Solid State Spin Ensemble

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Reporters may freely use this image. Credit format: Image courtesy of Stephanie Simmons, Oxford University (2011).