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IBM has built devices with over 100 qubits and is pursuing a 1,000-qubit machine.

Quantum Computing: Journey from bits to qubits still has far to go

June 12, 2025 11:13 am

The next generation of computers could reshape science, security, and global power. It will not be about what’s possible with bits, but about what we can achieve with qubits.

In 2012, it was estimated that a 2048-bit RSA key could be broken by a quantum computer with a billion physical qubits.

Quantum computers with 1 million qubits can crack RSA encryption in a week, Google study reveals

June 01, 2025 8:49 am

With recent advancements in quantum computing, Google researchers also emphasised an urgent shift to post-quantum cryptography.

Schrödinger’s cat, alive and dead, remains the most famous metaphor for quantum uncertainty. (AI generated Image/DALLE)

The universe, the atom, and a cat both dead and alive: Understanding Quantum Mechanics

June 01, 2025 8:08 am

The classical scientific theories by which we understand the world around us do not hold good at the subatomic level. There, reality is governed by probabilities, and particles exist both as waves and particles. Read more about quantum mechanics - and about one of the most legendary scientific debates of the modern era.

As quantum computing race heats up, 5 startups to watch beyond Big Tech

April 30, 2025 8:22 am

Here is a look at startups such as PsiQuantum, Pasqal, and Rigetti Computing that are driving innovation in quantum chip development.

Nvidia to open quantum computing lab, CEO says

March 21, 2025 7:57 am

Nvidia added the program after Huang in January said useful quantum computers are 20 years away.

upsc, knowledge nugget, quantum technology, computer, national security

Knowledge Nugget: What should UPSC aspirants know from NITI Aayog’s report on quantum computing?

March 11, 2025 10:45 am

As NITI Aayog’s Frontier Tech Hub (NITI-FTH) highlights the potential of quantum technology for economic growth and national security, let’s understand what quantum computing is. How quantum computing is reshaping national security? What is the National Quantum Mission?

Microsoft's new quantum computing chip called Majorana 1.

Is Microsoft’s quantum computing breakthrough the real deal? Experts weigh in

February 25, 2025 8:10 am

Microsoft’s Majorana 1 breakthrough was met with divided responses from experts who hailed it as a "significant achievement" but said "there's a lot of unknowns."

China said in December it had launched an investigation into Nvidia over a suspected violation of the country's anti-monopoly law, a probe widely seen as a retaliatory shot against Washington's latest curbs on the Chinese chip sector.

Google says commercial quantum computing applications arriving within five years

February 06, 2025 9:22 am

However, Nvidia's Jensen Huang has said that quantum computing is much farther away than five years.

Is AI Physics? Why the Nobel Committee is right

October 09, 2024 5:59 pm

Interdisciplinary research is becoming increasingly important, with many of the most significant breakthroughs occurring at the intersections of traditional fields. By recognising achievements in AI and neural networks, the Committee has acknowledged this shift

How does India seek to harness the potential of quantum technology under National Quantum Mission

National Quantum Mission: How does India seek to harness the potential of quantum technology

September 25, 2024 10:33 am

In order to develop capabilities in quantum-related science and technology, India announced the setting up of the National Quantum Mission last year. What is the National Quantum Mission and how does it aim to support, nurture and scale up scientific and industrial R&D in quantum technology?

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