# Quantum Computing: Benefits & Applications

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# Quantum Computing: Benefits & Applications

**Quantum computing **takes advantage of the strange ability of subatomic particles to exist in more than one state at any time. Due to the way the tiniest of particles behave, operations can be done much more quickly and use less energy than classical computers.

**In classical computing**, a bit is a single piece of information that can exist in two states – 1 or 0. Quantum computing uses quantum bits, or ‘qubits’ instead.- These are quantum systems with two states. However, unlike a usual bit, they can store much more information than just 1 or 0, because they can exist in any superposition of these values.

**Applications of Quantum computing:**

**Cybersecurity:**Quantum computing with the help of machine learning can help in developing various techniques to combat cybersecurity threats.

**Weather Forecasting and Climate Change:**Quantum computer’s ability to crunch vast amounts of data, in a short period, could indeed lead to enhancing weather system modeling allowing scientists to predict the changing weather patterns in no time and with excellent accuracy — something which can be essential for the current time when the world is going under a climate change.

**Financial services:**Quantum computers can be used for complex financial modeling and risk management in the financial industry by finding new ways to model financial data and isolating key global risk factors.

**Logistics optimization:**Improved data analysis and robust modelling will indeed enable a wide range of industries to optimize their logistics and scheduling workflows associated with their supply-chain management.

**Gaming:**Quantum computing can take game development experience to a whole new level.

**Aerospace industry:**Quantum computing has great potential to solve computational challenges in aircraft modelling, simulation, and more.- It could also help assess the optimal amount of fuel and speed to operate a commercial aircraft, thereby potentially helping the industry to improve its sustainability performance.

**Artificial intelligence and big data:**Quantum computers could empower machine learning by enabling AI programs to search through the gigantic datasets concerning medical research, consumer behavior, financial markets, etc.

- Quantum computing helps to integrate data and quickly analyze and understand the patterns.

**Space:**The scalability of quantum computing will help the detection of gravitational waves.

- Can be used to scan the universe for habitable planets.
- Can help in modelling and designing space crafts and space suits.

**Medicine:**Discover tumours in time and develop better targeting drugs leading to greater advancements in pharmacology.

- Could be used to provide faster, more accurate diagnostics.
- Enable therapists to run more simulations in less time, helping to minimize radiation damage to healthy tissue.
- Clinicians could easily review CT scans over time and quickly identify changes and anomalies.
- Can accelerate precision medicine.
- With quantum computing’s enhanced data processing abilities, medical practitioners can quickly identify targeted chemotherapy protocols and with more customization.

**Agriculture:**Help in detecting weed through an invasive weed optimization algorithm.

- Farmers can hence, effectively craft fertilizers.
- Can help in determining the right amount of inputs.
- It can be used to make precise long-term large-scale production plans and helps to increase yield and efficiency.

**Benefits:**

- Enhance what’s already possible with machine learning.
- Better equipped to solve sequential problems efficiently.
- Quick analysis and integration of our enormous data sets which will improve and transform our machine learning and artificial intelligence capabilities.
- Well suited to solving particular mathematical problems, like finding very large prime numbers.
- Since prime numbers are so important in cryptography, it’s likely that quantum computers would quickly be able to crack many of the systems that keep our online information secure.
- Qubit is the conventional superposition state and so there is an advantage of exponential speedup which is obtained by handling a number of calculations.
- Even classical algorithm calculations are also performed easily which is similar to the classical computer.
- While today’s computers struggle or are unable to solve some problems, these same problems are expected to be solved in seconds through the power of quantum computing.
- It’s predicted that artificial intelligence, and in particular machine learning, can benefit from advances in quantum computing technology

**Disadvantages:**

- The main disadvantage of computing is the technology required to implement a quantum computer is not available at present.
- The reason for this is that the consistent electron is damaged as soon as it is affected by its environment and that electron is very much essential for the functioning of quantum computers.
- This is due to the fact that the coherent state, fundamental to a quantum computer’s operation, is destroyed as soon as it is measurably affected by its environment. Attempts at combating this problem have had little success,
- The research for this problem is still continuing and the effort applied to identify a solution for this problem has no positive progress.

**Concerns/challenges with quantum computing:**

- Not affordable for small businesses.
- Difficult to build, verify, and design.
- Quantum states are fragile and hence hard to control.
- Potential to misuse for cyber attacks.