Quantum Computing
Having revolutionized our world in a matter of decades, computers are set for a revolution of their own. Quantum computing promises systems that can perform complicated calculations in a fraction of the time it would take classical computers. Although still in their infancy, quantum computers are set to deliver an incredible leap forward in computing capabilities.
Practical quantum computers may be another step closer to reality, thanks again to graphene. The bits of information in quantum computers (qubits) can exist in two states at once, and now researchers have managed to record just how long that superposition state can last in a qubit made of graphene.
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Researchers at the University of Sussex claim to have produced a method that removes lasers from quantum logic gates, thereby removing one of the largest stumbling blocks to producing a workable, full-sized quantum computer system -
In quantum computing, information is stored in qubits – trapped molecular material. But qubits are notoriously slippery characters. Now MIT scientists have managed to get a molecule to remain stable for "hundreds of times longer" than previously, making a usable qubit closer than ever to reality.
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Having provided access to a quantum processor through the cloud for a year, IBM is revealing a new generation of processors. A 16-qubit processor will increase the processing power available through the cloud, while the second is twice as powerful again and designed for commercial applications.
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The next big breakthrough for electronics is likely to be quantum computers, but there are still plenty of hurdles to jump before they become a reality. A team from Aalto University in Finland may have cleared one of those obstacles, developing a “nanorefrigerator” to help cool components down.
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IBM scientists have unveiled two crucial advances toward the creation of a practical quantum computer: an effective way to detect and correct quantum errors, and the design of a silicon chip that can scale up to house a large number of entangled quantum bits.
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Researchers have recently blasted through another quantum quandary, potentially bringing stability to the notoriously unstable world that exists in these computing systems. New Atlas spoke with one of the researchers to get more information about the potentially game-changing work.
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