The UCSB group used more conventional electrical circuits, albeit ones that must be cooled almost to absolute zero to make them superconducting and activate their quantum behavior.

UCSB加州大学圣巴巴拉分校的小组使用更加常见的电路，虽然这需要将其冷却到接近零度使其超导并展现量子行为。

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And a good quantum computer would need more than two circuits.

而且一台性能优良的量子计算机需要的不只是两个电路。

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The technique developed in Bristol uses two identical particles of light (photons) moving along a network of circuits in a silicon chip to perform an experiment known as a quantum walk.

利用这项在布里斯托尔研制出来的技术，研究者们让两个完全相同的光粒子(光子)通过一个光子芯片——刻录在硅片上的光学网络，从而实现了一个被称为量子游走（QuantumWalk）的物理过程。

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This breakthrough could pave the way for a new class of devices, including quantum circuits.

FORBES: Watching Quantum Physics With The Naked Eye

The work could also, if successful, lead to room temperature quantum circuits.

FORBES: Watching Quantum Physics With The Naked Eye

In perhaps as little as a decade, the circuits will be so thin that the phenomenon known as quantum tunneling, where electrons slip through the silicon walls, will make further progress impossible.

FORBES: Magazine Article