अब Pocket में आएगा Quantum Computer? China का बड़ा दावा!”।BYs parashar

Описание: अब Pocket में आएगा Quantum Computer? China का बड़ा दावा!”make youtube thumbnail photoचीनी वैज्ञानिकों ने दुनिया की सबसे ठंडी मिश्र धातु बनाई है। सुपर कंप्यूटर के क्षेत्र में एक क्रांतिBYs parashar
‘China solution’ delivers helium‑3‑free cooling tech for quantum chips, offers stable, portable system to support space exploration.Chinese researchers have unveiled a new rare earth alloy so cold and efficient it could upend decades of reliance on helium-3 and send shock waves through the global race for quantum computers or ultra-sensitive detectors.
A mini-fridge built with the alloy has achieved temperatures extremely close to absolute zero using no moving parts. And it comes at a time when the US Defence Advanced Research Projects Agency (DARPA) is actively hunting for exactly such a technology.
On January 27, DARPA issued an urgent call for proposals: develop a modular, helium-3-free cooling system for next-generation quantum and defence technologies.

Less than two weeks later, the Chinese scientists answered – with a paper published in Nature.

The alloy “has the potential for mass production. The joint team has recently successfully developed a pure metal refrigeration module based on this alloy material,” the Chinese Academy of Sciences (CAS) said on its website on February 13.

“This highly efficient cooling module could offer a stable, portable cooling source for quantum chips and support major space exploration projects with a self-reliant refrigeration system,” CAS added.
“It marks a ‘China solution’ that ends dependence on helium-3.”

In physics, the lowest possible temperature is 0 Kelvin, or minus 273.15 degrees Celsius (minus 459.67 degrees Fahrenheit), a state known as “absolute zero”.

As materials approach this temperature, they exhibit radically different properties: liquid helium loses friction, mercury becomes superconductive and much cutting-edge quantum research becomes possible.

Currently, achieving such extreme low temperature primarily relies on a technique called dilution refrigeration, which requires helium-3.

This stable isotope of helium is an essential resource that China largely imports. Its main sources are linked to nuclear weapons programmes in the United States and Russia, as well as civilian nuclear power plants in Canada.

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