In a world where change is common, few innovations have generated this much potential and are as intriguing as quantum computing. Quantum computers are not just a faster computer;rather it’s a completely different way of computing. In this article we’ll talk about what quantum computing is?, How does it work?, and finally its applications in the real world.

Quantum computing is more like a type of physics that deals with the behaviour of matter and energy at the smallest possible scales-quantum physics. Normally computers that most of us use day to day work because of something called bits-machine code, which can either be 0 or 1. Limiting its values for one bit to 2 options,0 or 1. Whereas quantum computers use something called qubits. Qubits can exist in multiple states simultaneously, which is known as a superposition. This property allows quantum computers to perform certain calculations exponentially faster than classical computers .Unlike traditional bits, qubits can exist in 3 primary states:0,1 and a superposition of both. This extra superposition allows quantum computers to perform multiple calculations simultaneously. Moreover, qubits can be entangled, meaning the state of one qubit is dependent on the state of another, even if they are separated by vast distances. This property allows quantum computers to solve complex problems more efficiently.

Traditionally computers use logic gates to manipulate bits, whearse in quantum computers, quantum gates are used. Quantum gates operate on quantum mechanics principles, allowing qubits to interact in new ways. Quantum algorithms, such as Shor’s and Grover’s, take advantage of these features to solve tasks like integer factorization and database searching exponentially quicker than traditional algorithms.

Quantum gates work on the principles of quantum mechanics, allowing qubits to interact in unique ways. Quantum algorithms, such as Shor’s algorithm and Grover’s algorithm, leverage these properties to solve problems like integer factorization and database searching exponentially faster than classical algorithms.

Photo by wired UK

Quantum computing has enormous potential in many engineering areas, influencing how we approach complex issues. Here are several examples:

- Decryption
- Quantum Computers can decrypt much faster,due to their exponential speed and their ability to explore multiple possibilities simultaneously
- Machine Learning
- Quantum machine learning algorithms can process and analyse large datasets more efficiently, improving AI and data analysis applications, opens a world of safety benefits.
- Materials Science and Chemistry
- Quantum computers can simulate the behaviour of molecules and materials with high precision. This aids in the discovery of new materials for energy storage, drug development, and more.

Quantum computing offers a world of incredible possibilities. Its exceptionally faster data manipulation compared to traditional computers. While quantum computing is still a mere idea, its potential applications in sciences, optimization, and decryption can reshape industries, for the better or the worse.

Hemal Nayyar