By Zainab Shafiq 
The race is heating up, with Google, IBM, and Microsoft all scrambling to build quantum computers, in what is increasingly becoming a highly competitive area. But beyond revolutionizing industries, quantum computers may also unlock a question that is perhaps the greatest mystery of all: Do parallel universe exist? Google has an answer!
Quantum computers operate on principles that defy classical logic. Unlike traditional computers that use binary bits (0s and 1s), quantum computers use qubits, which can exist in multiple states simultaneously thanks to a phenomenon called superposition. Additionally, qubits can be entangled, meaning their states are interconnected regardless of distance. These properties allow quantum computers to process information at unprecedented speeds, solving problems that are impossible for classical computers.
But here comes the real interesting thing: the principles determining quantum mechanics have led some scientists to speculate about the existence of parallel universes.
Quantum Mechanics and the Many-Worlds Interpretation
One of the strongest theories in support of parallel universes is that of the “many-worlds interpretation” of quantum mechanics. Physicist Hugh Everett in the 1950s propounded this theory, which supposes that each possible outcome of a quantum event actually occurs; however, those outcomes occur in separate, branching universes. For instance, if you flipped a coin, one universe could see it landing on heads and another on tails.
Perhaps it is here where quantum computers might be of assistance, in being able to search through a lot of states in parallel. In simulating large-scale quantum systems, such machines could allow researchers to experiment with the many-worlds interpretation, potentially finding signs of alternate realities.
Google Breaks Quantum Computer Barrier
This is now a reality with Google’s recent quantum computing advancements. The latest quantum processor, Willow, addresses one of the major challenges in the field: error correction. Quantum systems are notoriously fragile, with qubits easily disrupted by environmental factors. Willow’s design reduces errors as more qubits are added, making it a scalable and reliable platform for complex computations.
While skeptics rant about a lack of utility in current quantum computers, which are nothing but random circuit sampling, the enthusiasts see in these initial efforts only ways to step toward solving deeper mysteries. As physicist Sabine Hossenfelder quipped, these tasks are benchmarks in which the “speed” of quantum was shown and not the utility.
The quantum computer might be used to test theoretical concepts, including parallel universes.
Beyond Quantum Supremacy: Exploring New Frontiers
Quantum computing has implications far beyond the multiverse debate. These machines promise to revolutionize fields like drug discovery, energy innovation, and cybersecurity. For example, quantum algorithms could simulate molecular interactions at an atomic level, accelerating the development of life-saving medications. They could also optimize renewable energy systems or crack encryption codes that are currently unbreakable.
However, perhaps the most tantalizing potential exists in the examination of reality. Quantum computers potentially may help people find solutions for questions humanity has been struggling to answer for decades. Do we have siblings that exist somewhere across the cosmos? Or do billions of alternate lives of ours parallel our very lives?
Future Outlook for Quantum Computers and Parallel Worlds
Parallel universes, though a kind of speculative area, seem to offer a kind of interestingly unique exploration when compared to the tool of quantum computing. Maybe future companies, such as Google, IBM, and Microsoft, will be on the brink of making discoveries that change our perceptions of the universe as we know it.
Whether they exist or not, one thing is now certain- the revolution within quantum is just at its beginnings and its future holds as much potential as the multiverse itself.
Also, see:
Google introduces groundbreaking quantum chip Willow