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Scientists Build 256-Qubit Quantum Computer That's Unlike Anything Else

Indiatimes logo Indiatimes 18-11-2021 Bharat Sharma
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A startup comprising physicists from Harvard and MIT has created a record-breaking 256-qubit quantum computer - following a new route

Think of a Mario Bros. GIF made out of qubits - yes, they've made quantum computers relatable too!

The quantum bits can also be configured in different shapes like Tetris, Space Invaders, or anything geometrically viable. That's not all these physicists are trying to achieve though.

Also ReadIBM's Built 127 Qubit Chip Alongside 1,000 Qubits-Compatible Quantum System Two

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The 256-qubit powerhouse

The 256-qubit quantum simulator was created by QuEra Computing, a startup from Boston to solve peculiar problems. Qubit computing is advancing quicker than we understand. Just a year ago, 256-qubits would have been difficult to imagine. 

For perspective, Google's Sycamore quantum computer runs on 53 qubits, same as IBM's previous generation. Now, IBM has revealed its 127-qubit quantum processor.

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Also read: China's Built World's Fastest Quantum Computer, 10 Million Times Faster Than Google's

The difference between traditional computing and quantum computing is that the latter can perform extremely complex tasks. Simply put, traditional computing methods run on zeroes and ones in terms of computing, but quantum computers can go over and above these basic algorithms, even go back-and-forth, and also combine different computing methods to give extremely accurate results. Years of learning could be truncated to seconds with effective quantum computers.

Led by Mikhail Lukin, Markus Greiner (Harvard) and Vladan Vuletić, Dirk Englund (MIT), the QuEra team hopes to reach 1,000 qubits in two years.

Also read: Google's Quantum Computer Helps Scientists Create Physics-Defying 'Time Crystal'

The supercomputing method by QuEra is intrinsically different from Google, IBM or Intel. All the three tech biggies use superconducting qubits, while QuEra uses neutral atoms, which offer a high degree of "quantumness," or simply put - a higher potential of possibilities, according to MIT Technology Review.

Qubits produced by QuEra are highly entangled, i.e., they're more reactive to changes in each other's state. 

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What do you think about this new era in computing? Share your thoughts with us below. For more in the world of technology and science, keep reading


Roberts, S. (2021, November 17). This new startup has built a record-breaking 256-qubit quantum computer. MIT Technology Review. 

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