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Latest quantum publications


Researchers say “totally secure” Internet within reach after quantum breakthrough

The world is one step closer to having a totally secure internet and an answer to the growing threat of cyber-attacks, according to scientists.

A prototype, designed by a team at the University of Bristol, could transform the security of online communication for millions of people across the globe.


Honeywell claims groundbreaking quantum computer is ready for action

It appears Honeywell has come good on its pledge to build the “highest-performing” quantum computer in the world.

Last March, the operational technology multinational claimed it cracked a quantum computing conundrum that would enable it to build the record-breaking machine in three months.


Tencent announces $70bn tech infrastructure spending spree

Chinese technology group Tencent Holdings has announced plans to invest $70bn upping its capabilities in cloud computing, AI, blockchain, IoT and quantum computing over the next five years.

As part of the investment, announced on WeChat this week, Tencent said it will spend billions building hyperscale data centres, supercomputers and sprawling 5G networks.


Google officially claims quantum supremacy, ignores IBM criticism

Google recently sent the internet in a frenzy after the company claimed in a leaked research paper to have achieved “quantum supremacy”. At the time the quantum community fiercely debated Google’s claim.

While the draft paper was swiftly pulled offline, Google has doubled down by officially releasing a peer-reviewed version in Nature which reiterates its achievement. Crucially, the article repeats the controversial claim that the problem its Sycamore processor solved would take Summit, the world’s most powerful supercomputer, 10,000 years to complete.

If true, this would effectively mean Google had satisfied John Preskill’s original definition of quantum supremacy, described as the milestone where quantum computers can perform tasks that classical computers cannot.


Has Google achieved quantum supremacy?

Google has claimed to have reached a major quantum computing milestone in a research paper that briefly appeared on a NASA website.

In the research paper, spotted by the Financial Times before it was removed, the company claimed to have designed a quantum computer capable of “quantum supremacy.”

After the news surfaced over the weekend, several commentators weighed in online to explain what the achievement actually meant.



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