Here are the top bestDo any quantum computers existvoted by readers and compiled and edited by our team, let’s find out

## 1 Google’s Quantum Computer Just Aced an ‘Impossible’ Test

**Author:**livescience.com**Published:**08/10/2022**Review:**4.96 (889 vote)**Summary:**· Quantum computers use quantum bits, or “qubits,” which can exist as both 1 and 0 simultaneously. This bizarre consequence of quantum mechanics**Detail:**https://www.livescience.com/google-hits-quantum-supremacy.html

## 2 Serious quantum computers are finally here. What are we going to

**Author:**technologyreview.com**Published:**03/07/2022**Review:**4.72 (411 vote)**Summary:**· A quantum computer can—at least in theory—model those in a way a conventional one cannot. Last year, Gambetta and colleagues at IBM used a seven**Detail:**https://www.technologyreview.com/2018/02/21/145300/serious-quantum-computers-are-finally-here-what-are-we-going-to-do-with-them/

## 3 These quantum computers already exist | asioso

**Author:**asioso.com**Published:**09/11/2022**Review:**4.58 (595 vote)**Summary:**It will be several decades before quantum computers are available to everyone. However, prototypes are already running in various research facilities,**Detail:**https://www.asioso.com/en/blog/these-quantum-computers-already-exist-b530

## 4 Quantum Computing: Current Progress and Future Directions

**Author:**er.educause.edu**Published:**05/31/2022**Review:**4.39 (551 vote)**Summary:**· Today’s quantum computers provide the speed that researchers need to mimic all aspects of chemistry, allowing them to be significantly more**Detail:**https://er.educause.edu/articles/2022/7/quantum-computing-current-progress-and-future-directions

## 5 15 Things Everyone Should Know About Quantum Computing

**Author:**bernardmarr.com**Published:**03/07/2022**Review:**4.1 (541 vote)**Summary:**Google announced it has a quantum computer that is 100 million times faster than any classical computer in its lab. Every day, we produce 2.5 exabytes of data**Detail:**https://bernardmarr.com/15-things-everyone-should-know-about-quantum-computing/

## 6 The Inconvenient Truth About Quantum Computing – The Wire Science

**Author:**science.thewire.in**Published:**11/22/2021**Review:**3.9 (463 vote)**Summary:**· The largest quantum computers we have today consist of fewer than 100 qubits. IBM announced earlier in September that it plans to build a 1,000-**Detail:**https://science.thewire.in/the-sciences/quantum-computing-qubits-error-correction-no-cloning-theorem/

## 7 Quantum Computing Statistics: Benefits and Negative Effects

**Author:**seedscientific.com**Published:**12/29/2021**Review:**3.71 (304 vote)**Summary:**· One of the fun facts about quantum computers is that, so far, only a handful of companies have made quantum chips. They are Google with**Detail:**https://seedscientific.com/quantum-computing-statistics/

## 8 Quantum computer | Description & Facts – Encyclopedia Britannica

**Author:**britannica.com**Published:**05/11/2022**Review:**3.55 (547 vote)**Summary:**Quantum computers based on semiconductor technology are yet another possibility. In a common approach a discrete number of free electrons (qubits) reside within**Detail:**https://www.britannica.com/technology/quantum-computer

## 9 Qubits and Defining the Quantum Computer | HowStuffWorks

**Author:**computer.howstuffworks.com**Published:**01/31/2022**Review:**3.23 (279 vote)**Summary:**Quantum computers aren’t limited to two states; they encode information as quantum bits, or qubits, which can exist in superposition. Qubits represent atoms,**Detail:**https://computer.howstuffworks.com/quantum-computer1.htm

## 10 Are Quantum Computers Real? – Pure Storage Blogs

**Author:**blog.purestorage.com**Published:**06/30/2022**Review:**3.07 (279 vote)**Summary:**· Many research centers have performed quantum computing calculations, but these would likely not meet the definition of a quantum computer that**Detail:**https://blog.purestorage.com/purely-informational/are-quantum-computers-real/

## 11 The Great Quantum Computing Race – Semiconductor Engineering

**Author:**semiengineering.com**Published:**11/22/2021**Review:**2.9 (54 vote)**Summary:**· Today, Google, IBM and others have built the first wave of quantum computers, but these systems are still in the early stages and aren’t yet**Detail:**https://semiengineering.com/the-great-quantum-computing-race/

## 12 Are Practical Quantum Computers Coming in 2021? – IQS Directory

**Author:**iqsdirectory.com**Published:**01/02/2022**Review:**2.69 (138 vote)**Summary:**· What Are Quantum Computers? Quantum computing takes advantage of the strange ability of subatomic particles to exist in more than one state at**Detail:**https://www.iqsdirectory.com/resources/are-practical-quantum-computers-coming-in-2021/

## 13 Understanding quantum computing – Azure Quantum | Microsoft Learn

**Author:**learn.microsoft.com**Published:**02/24/2022**Review:**2.73 (175 vote)**Summary:**· Quantum computers are controllable quantum mechanical devices that exploit the properties of quantum physics to perform computations. For some**Detail:**https://learn.microsoft.com/en-us/azure/quantum/overview-understanding-quantum-computing

## 14 Quantum Computers

**Author:**umsl.edu**Published:**07/25/2022**Review:**2.66 (63 vote)**Summary:**Quantum computers arent limited to two states; they encode information as quantum bits, or qubits, which can exist in superposition. – Qubits represent atoms,**Detail:**http://www.umsl.edu/~siegelj/information_theory/projects/Bajramovic/www.umsl.edu/_abdcf/Cs4890/link3.html

## 15 Quantum Computing: Definition, How It’s Used, and Example

**Author:**investopedia.com**Published:**01/18/2022**Review:**2.46 (61 vote)**Summary:**· A quantum computer, unlike a classical computer, uses quantum bits or qubits. Learn about quantum computers and which companies are building**Detail:**https://www.investopedia.com/terms/q/quantum-computing.asp

## 16 Quantum Computing: What It Is & How It Works | Built In

**Author:**builtin.com**Published:**03/19/2022**Review:**2.45 (100 vote)**Summary:**Quantum computers do exist, and they are being used right now. They are not, however, presently “solving” climate change, turbocharging financial forecasting**Detail:**https://builtin.com/hardware/quantum-computing

## 17 Quantum Computer – an overview | ScienceDirect Topics

**Author:**sciencedirect.com**Published:**07/27/2022**Review:**2.31 (91 vote)**Summary:**The concept of quantum computers provides a new perspective for computation and is different from other new concepts of computers, such as optical computers and**Detail:**https://www.sciencedirect.com/topics/engineering/quantum-computer

## 18 What are quantum computers? – Advanced Science News

**Author:**advancedsciencenews.com**Published:**08/11/2022**Review:**2.21 (108 vote)**Summary:**For example, a binary computer with eight bits can represent any number between 0 and 225; a quantum computer with eight qubits can represent every number**Detail:**https://www.advancedsciencenews.com/what-are-quantum-computers/

## 19 Making Quantum Computing a Reality – Harvard Business Review

**Author:**hbr.org**Published:**02/11/2022**Review:**2.13 (129 vote)**Summary:**· While quantum computers exist in the lab, general-purpose quantum computers aren’t yet available for commercial use**Detail:**https://hbr.org/2022/04/making-quantum-computing-a-reality

## 20 Quantum Computing: What It Is, Why We Want It, and How … – NCBI

**Author:**ncbi.nlm.nih.gov**Published:**08/19/2022**Review:**1.96 (109 vote)**Summary:**A few large companies and small start-ups now have functioning non-error-corrected quantum computers composed of several tens of qubits, and some of these are**Detail:**https://www.ncbi.nlm.nih.gov/books/NBK538701/

## 21 IBM creates largest ever superconducting quantum computer

**Author:**newscientist.com**Published:**03/14/2022**Review:**1.79 (82 vote)**Summary:**· Canadian company D-Wave Systems has sold machines for some years that consist of thousands of qubits, but they are widely considered to be very**Detail:**https://www.newscientist.com/article/2297583-ibm-creates-largest-ever-superconducting-quantum-computer/

## 22 How to evaluate computers that don’t quite exist | Science | AAAS

**Author:**science.org**Published:**05/18/2022**Review:**1.81 (57 vote)**Summary:**Yet researchers are making some of their first attempts to take the measure of quantum computers. Last week, Margaret Martonosi, a computer scientist at**Detail:**https://www.science.org/content/article/how-evaluate-computers-don-t-quite-exist

## 23 What Is Quantum Computing? | Caltech Science Exchange

**Author:**scienceexchange.caltech.edu**Published:**12/29/2021**Review:**1.75 (88 vote)**Summary:**Do quantum computers exist? … Nascent quantum computers have existed in various forms for more than a decade. Several technology companies already have working**Detail:**https://scienceexchange.caltech.edu/topics/quantum-science-explained/quantum-computing-computers

## 24 How to get started in quantum computing – Nature

**Author:**nature.com**Published:**07/13/2022**Review:**1.54 (109 vote)**Summary:**· Yet that prospect remains a distant one. Even the fastest quantum computers today have no more than 100 qubits, and are plagued by random errors**Detail:**https://www.nature.com/articles/d41586-021-00533-x

## 25 Quantum Computing is Real. It Will Simulate the Subatomic World

**Author:**flagshippioneering.com**Published:**04/06/2022**Review:**1.5 (75 vote)**Summary:**Quantum computers were first proposed about 40 years ago, but they are only now becoming real machines. Making and controlling quantum computers has been**Detail:**https://www.flagshippioneering.com/stories/quantum-computing-is-real-its-most-important-application-will-be-simulating-the-subatomic-world

## 26 Quantum Computing – ExplainingComputers.com

**Author:**explainingcomputers.com**Published:**04/18/2022**Review:**1.3 (101 vote)**Summary:**· Even the best quantum computer hardware is no use without appropriate software, and many of the above quantum hardware pioneers are developing**Detail:**https://www.explainingcomputers.com/quantum.html

## 27 Quantum Computing: A Bubble Ready to Burst? | PCMag

**Author:**pcmag.com**Published:**04/28/2022**Review:**1.36 (155 vote)**Summary:**· To circumvent this problem and unlock the full potential of quantum computing, some researchers are working on adding error-correcting codes,**Detail:**https://www.pcmag.com/news/quantum-computing-a-bubble-ready-to-burst

## 28 The Race to Sell True Quantum Computers Begins Before … – WIRED

**Author:**wired.com**Published:**06/13/2022**Review:**1.13 (67 vote)**Summary:**· A true quantum computer is not yet a reality. “You can’t do anything practical today,” says Gregoire Ribordy, founder and CEO of quantum cyber-**Detail:**https://www.wired.com/2017/03/race-sell-true-quantum-computers-begins-really-exist/