The era of quantum computing brings forth remarkable and unprecedented advancements as we explore scientific frontiers of the 21st century. With constantly accelerating development of quantum sciences and technologies, it’s safe to say that the traditional paradigms of computation stand revolutionized. Diving into quantum mechanics, these cutting-edge developments possess potential to overcome the limitations faced by classical computers, and in doing so, redefine fields ranging from machine learning to encryption, and even national security.

Aspects of Quantum Technology: An Insight

At its core, quantum technology harnesses the strange yet remarkable properties of quantum mechanics to improve or radically alter the way tasks are performed. This broad field is enormous and encompasses various areas such as quantum computing, quantum sensing, quantum communication, and quantum information.

Stepping into a new realm of technology, quantum computers make use of quantum bits (qubits), rather than binary bits, to perform calculations. Unlike binary bits, which take on a value of either 0 or 1, qubits can take any value between 0 and 1, hanging in a state of superposition. Combined with the phenomena of quantum entanglement, this allows quantum computers to potentially offer dramatic speedups for certain types of calculations.

Cornerstones of Quantum Computing

Quantum Technology: Globally Recognized Developments

Quantum technology is exploding with advances, as nations and the private sector across the globe spearhead research and development initiatives. Recognized as the next frontier in science and technology, many nations are now aiming to be the leader in quantum science. National Quantum Initiatives launched in several countries, bolster national science efforts to secure intellectual leadership in this new frontier.

As a result of these investments, we’ve seen a plethora of global breakthroughs in quantum. From the creation of the first quantum computer to innovations in quantum sensors and quantum information technology, increasing feats continue to fuel the drive for supremacy in the quantum technology space.

Quantum Communication: The Ultimate Challenge

Quantum communication essentially transforms how data is transmitted, using quantum mechanics to provide secure channels. Its inherent security advantage comes from a property of quantum mechanics which prevents an observer from measuring a system without disturbing it, thus making any attempts of interception evident.

Policy Strategies in Advancing Quantum Computing

Quantum Technologies: The Great Leap

The strategic implications of quantum technologies for global competition are immense. Governments worldwide are devising policy strategies to lead in this new sphere. The United States, for instance, passed the National Quantum Initiative Act, symbolizing high-level governmental support for quantum research.

Evaluating Progress of Quantum Sciences Across the World

Focusing on the global scale, it’s evident that the advancement of quantum sciences varies, with certain nations standing out as front-runners. The United States leads with aggressive investment strategies. Europe too, has been dynamic in its contributions, with a robust funding strategy for quantum research and a focus on collaborative efforts.

Impact of Quantum Computers: Elevating AI to New Levels

Quantum computers contribute to the elevation of artificial intelligence to new levels. Combined with machine learning techniques, it will revolutionize data analysis, rendering existing competencies obsolete.

Implications of Quantum Computing: Geopolitical Consequences

The advent of quantum computing inevitably brings with it a profound geopolitical shuffle. The political implications of breakthroughs in quantum computing will be far reaching. Owning the strongest quantum computer may add significant leverage in negotiations or disputes, influencing international relations significantly.

The Age of Quantum Innovations: A European Perspective

Europe has been particularly pro-active in cultivating home-grown quantum technologies, with substantial amounts committed to funding quantum research. The European Commission launched the Quantum Flagship program, one of the most ambitious long-term research initiatives of the European Union.

Quantum Progress in the US and Canada

However, the United States keeps up the pace with substantial funding for quantum technologies. They have placed a special emphasis on quantum sensing, leveraging it to enhance capabilities in navigation, timing, and imaging. Canada equally sees the potential of quantum technologies, boasting strong investment and scientific strides in the sector.

The Evolution of Quantum Technologies in China

China continues to assert its ambition in quantum science, recognizing the strategic advantage of mastering this technology. They’ve achieved several world-firsts; including the first quantum satellite communication, thus adding momentum to global race to develop quantum technologies.

Threat Assessment: Quantum Computing and Cybersecurity

Quantum computers pose a potential threat to modern cybersecurity systems. Encryption techniques that are secure against conventional attacks might be vulnerable to quantum algorithms, thereby threatening national security. Quantum encryption will become a necessary measure for future data protection.

Discussion on Quantum Encryption and Increased Security Risks

Quantum encryption techniques, bolstered by quantum sensing technology, could give an upper hand in the cybersecurity field. Yet, the real threat lies in the race between encryption and decryption technologies; the potential of quantum to crack encryption systems cannot be underestimated.

Final Thoughts: Future of Quantum Computing

In closing, what’s certain is that the quantum computing revolution is knocking at our door, ready to transform the landscape of science and technology. With its innumerable applications ranging from artificial intelligence to cybersecurity, the race to harness the power of quantum is indeed the next frontier for states and the private sectors alike.