Quantum Computers

What are Quantum Computers?

Quantum computing is a revolutionary new approach to computing that has the potential to dramatically change the world we live in. Instead of using classical bits to store information, quantum computers use quantum bits, or qubits, which can be in multiple states at once. This enables them to solve complex problems exponentially faster than classical computers, and to perform certain tasks that are impossible for classical computers.

One of the key principles of quantum computing is superposition. In classical computing, a bit can only be in one of two states, either a 0 or a 1. In contrast, a qubit can exist in multiple states simultaneously. This means that a quantum computer can perform many computations at once, which allows it to process vast amounts of data much more quickly than a classical computer.

Another key principle of quantum computing is entanglement. Entangled qubits are linked together in such a way that the state of one qubit affects the state of the other, no matter how far apart they are. This allows quantum computers to perform certain tasks, such as encryption and decryption, that are impossible for classical computers.

One of the most promising applications of quantum computing is in the field of cryptography. Quantum computers are able to break many of the encryption techniques that are currently used to protect sensitive data, such as credit card numbers and government secrets. However, they also have the potential to create new encryption techniques that are virtually unbreakable.

Quantum computers are also being developed to solve complex problems that are beyond the capabilities of classical computers. For example, they could be used to simulate the behavior of complex systems, such as weather patterns or chemical reactions. This could lead to breakthroughs in fields such as climate science, drug discovery, and materials science.

Despite their potential, quantum computers are still in the early stages of development. They are currently limited by their sensitivity to external factors, such as temperature and electromagnetic radiation, which can cause errors in their calculations. Scientists are working to overcome these challenges, and to develop new technologies that will allow quantum computers to be more stable and reliable.

Quantum computing is a rapidly evolving field with the potential to revolutionize many aspects of our lives. While there are still many challenges to overcome, the promise of quantum computing is too great to ignore. As scientists continue to develop new technologies and applications for quantum computers, we can expect to see many exciting breakthroughs in the years to come.

Image credit: Wikimedia Commons

Quantum Computer Articles and Web Sites

I search the internet daily for new articles from around the world that interest me or I think will interest you. My hope is that it saves you time or helps students with their assignments. Listed by most recent first, dating back to 2005.

• Demonstrating a true realization of quantum-centric supercomputing from IBM

• In step forward for quantum computing hardware, IU physicist uncovers novel behavior in quantum-driven superconductors from Indiana University

• Pioneering scalable hole-spin qubits for quantum computing from UNSW

• Revolutionizing research with quantum technology from LBL

• Quantum computers makes things happen 'like magic' from BBC

• Merging Atomic Clocks with Quantum Computers from Caltech

• A Recipe for More Powerful Quantum Computers from AZoQuantum

• IBM Executive Stories: Bringing Useful Quantum Computing to the World from IBM

• Quantinuum Successfully Teleports a Logical Qubit from IEE Spectrum

• 'Writing' with atoms could transform materials fabrication for quantum devices from Phys.org

• How to build a quantum computer from Cosmos Magazine

• Innovative New System Overcomes Key Quantum Computing Limitations from SciTechDaily

• Toward a code-breaking quantum computer from MIT News

• Nvidia Accelerates Quantum Computing for Scientific Research from EE Times

• Quantum Computers, Coming to a Data Center Near You from IEEE Spectrum

• Combining trapped atoms and photonics for new quantum devices from Phys.org

• A huge race is on to develop quantum technologies. The time to discuss risks is now from The Conversation

• 'Pivotal' quantum computing chip unveiled from BBC

• Atomically thin transducers could one day enable quantum computing at room temperature from Phys.org

• Why every quantum computer will need a powerful classical computer from Ars Technica

• Physicists demonstrate first metro-area quantum computer network in Boston from Phys.org

• Time Crystals Could Unlock a Radical New Future For Quantum Computers from ScienceAlert

• SureCore announces low power cryogenic memory technology for quantum computing — operates at temperatures as low as 4 Kelvin from Tom's Hardware

• Revolutionary Qubit Technology Paves Way for Practical Quantum Computer from SciTechDaily

• Creating New Paradigms for Quantum Technology from University of Massachusetts Amherst

• Chandeliers, ‘qubits’ and Schrödinger’s cat: Inside the bizarre world of quantum computing from SMH

• Quantum computing may be the future of technology: what does that really mean? from CU Independent

• Physicists Develop Groundbreaking Device for Advanced Quantum Computing from SciTechDaily

• Physicists build new device that is foundation for quantum computing from ScienceDaily

• Crucial connection for 'quantum internet' made for the first time from ScienceDaily

• A blueprint for making quantum computers easier to program from MIT News

• Microsoft says it’s cracked the code on an important quantum computing problem from The Verge

• Quantum Computers Take a Major Step With Error Correction Breakthrough from Singularity Hub

• What Are the Implications of Quantum Computing for the Future of Data Security? from socPub

• Quantum computing progress: Higher temps, better error correction from Ars Technica

• Verifying the work of quantum computers from EurekAlert

• Here Are 6 Actual Uses for Near-Term Quantum Computers from IEEE Spectrum

• A new ion trap for larger quantum computers from Phys.org

• Measuring the properties of light: Scientists realize new method for determining quantum states from Phys.org

• Google DeepMind taps the power of its AI to accelerate quantum computers from TNW

• New approach to quantum computing makes rapid progress from Youtube

• Quantum computing engineers perform multiple control methods in just one atom from Phys.org

• Quantum computers move closer to the assembly line from Axios

• Quantum Computing: The Future of Tech? from The Badger

• Revolutionary New Approach To Solving Errors Could Deliver Useful Quantum Computing Sooner from IFL Science

• A physical qubit with built-in error correction from Phys.org

• Scientists Report Quantum Networking Breakthrough from AZoQuantum

• World First As Stable Qubit For Quantum Computers Achieved At Room Temperature from IFL Science

• Quantum processor integrates 48 logical qubits from Physics World

• Where AI and quantum computing meet from TechTarget

• Entangled in Innovation: How Multiphoton Magic Is Revolutionizing Quantum Technology from SciTechDaily

• A logical magic state with fidelity beyond distillation threshold realized on superconducting quantum processor from Phys.org

• Quantum Computing’s Hard, Cold Reality Check from IEEE Spectrum

• Quantum computer performs error-resistant operations with logical qubits from Ars Technica

• Qubit by qubit, the quantum computers of tomorrow are coming into being from Vox

• IBM unveils new quantum computing chip to ‘explore new frontiers of science’ from The Guardian

• IBM Offers Quantum Error Suppression Out Of The Box from IEEE Spectrum

• Limits for quantum computers: Perfect clocks are impossible, research finds from Phys.org

• Qubit by qubit: Optimizing silicon for quantum computing from University of Rochester

• Neutral-atom quantum computers are having a moment from Physics World

• Three-qubit computing platform is made from electron spins from Physics World

• Quantum Computers in 2023: Where They Are Now and What’s Next from Singularity Hub

• Self-correcting quantum computers within reach? from Harvard Gazette

• Can quantum computers bring an end to corrosion? from IBM

• A new kind of chip for quantum technology from Phys.org

• Where are we at with quantum computing? from Cosmos Magazine

• Quantum supremacy explained from Big Think

• Who’s afraid of quantum technology? from Cosmos

• Physicists Use Vibrations To Prevent Information Loss in Quantum Computing from SciTechDaily

• Is quantum computing hype or almost here? from Big Think

• Using quantum computing to protect AI from attack from The University of Melbourne

• Who's afraid of quantum computing? from Phys.org

• Bizarre particle that can remember its own past created inside quantum computer from Live Science

• AI and Quantum Computing: A Philosophical Journey Through Our Technological Future from AiThority

• Google Gives A Peek At What A Quantum Computer Can Do from The Next Platform

• Meet Q-silicon, a new magnetic material for spintronic quantum computers from New Atlas

• Researchers make a quantum computing leap with a magnetic twist from University of Washington

• Scientists Just Showed How to Make a Quantum Computer Using Sound Waves from Singularity Hub

• Quantum computing is at an ethical crossroads from CSIRO

• Optical effect advances quantum computing with atomic qubits to a new dimension from Phys.org

• Building a quantum-safe future from Microsoft Blog

• Researchers develop 'noise-canceling' qubits to minimize errors in quantum computers from Phys.org

• The World’s First Portable Quantum Computer Is Going On Sale from Wonderful Engineering

• I saw a quantum computer used by JPMorgan, with Microsoft and Nvidia as partners, and it was mind-blowing from Business Insider

• Cornell, Google first to detect key to quantum computing future from Cornell Chronicle

• How quantum computing could transform everything everywhere, but not all at once from GeekWire

• Entangled Photons Produced Entirely On-Chip from IEEE Spectrum

• What are qubits in quantum computing – and why you should care? from Tech HQ

• Physicists take step toward fault-tolerant quantum computing from Phys.org

• Quantum 101: Computing video

• Quantum computers can’t teleport things—yet from Popular Science

• How to overcome noise in quantum computations from EurekAlert

• Breakthrough in quantum error correction could lead to large-scale quantum computers from Physics World

• Two Oddball Ideas for a Megaqubit Quantum Computer from IEEE Spectrum

• A new way for quantum computing systems to keep their cool from MIT News

• Another step towards practical quantum computers from Phys.org

• A new qubit approach for more stable states for quantum computers from Phys.org

• What are companies doing with D-Wave’s quantum hardware? from Ars Technica

• Scientists Have Reversed Time Inside A Quantum Computer, And The Implications Are Huge from IFL Science

• MIT researchers use quantum computing to observe entanglement from MIT News

• Simulations Using a Quantum Computer Show the Technology’s Current Limits from Physics

• Quantum Computing from Medium

• Physicists Design New Type of Universal Quantum Computers from AZoQuantum

• Quantum Computers vs. Supercomputers: What's the Difference? from MUO

• Electrons that flow like liquids pave the way for robust quantum computers from Phys.org

• What Is Quantum Computing, Is It Real, and How Does It Change Things? from MUO

• Physicists reach qubit computing breakthrough from Phys.org

• Making quantum computers more accurate from MIT News

• New record in quantum computing: the first 6-qubit processor made of silicon from Gearrice

• IBM builds the world's largest dilution refrigerator for quantum computers from Interesting Engineering

• Does quantum matter? A Computer Weekly Downtime Upload podcast from Computer Weekly

• Noise—A Prospective Threat in the Promise of Quantum Computing from AZoQuantum

• Fixing the noise problem in quantum computing from EurekAlert

• How quantum computing will change our world Intel video

• Physics breakthrough could lead to new, more efficient quantum computers from Neural

• Qudit Computers Go Beyond Ones and Zeroes from IEEE Spectrum

• Quantum computers vs. classical computers video