Quantum computer

Quantum Computer: An Undefined Technology

Imagine a computer that is more superior than the supercomputer and able to crack the world’s most secure codes in minutes. Huge technology organizations like Google, IBM and Microsoft all are trying to be the first to achieve a breakthrough in the field of quantum computing.
If you want a quantum computer you need
Ionizing lasers
Cooling lasers
And Processors.
All this can do is add a 0 and a 1 but it does do it in a really cool way.

Ionising laser (Quantum Computer)
Ionizing Lasers

The data in an ordinary computer is represented as bits each of which can either be 0 or 1.
A quantum computer instead of bits uses quantum qubits which is same as bits but different at some points.
Now these qubits can be both 0 and 1 at the same time this is called superposition and it’s a key feature of a quantum computer.

So when a quantum computer adds 0 and 1 it’s also adding (1&0), (1&1), (0&0), all at the same time with a speed of much faster than a normal computer.

Key Features of Quantum Computer

There are a few really important things that we know they will be able to do if we can ever build them so the first thing is

✓ Searching through a Database

Let’s say you’ve got a list of about a million items to say and you want to find one particular item through that list.
well, all an ordinary computer can do is look through that list one item at a time, look at the first item, the second item, the third item until eventually, you find the item that you’re looking for.
But a quantum computer can look at all those items simultaneously.

Artificial Intelligence

It is obvious that quantum computers will be able to boost artificial intelligence. If you’re trying to design, say that the shape of a car so that air will flow over it in exactly the right way that’s an optimization problem. And quantum computers are going to be great at these types of work.

✓ Code Breaking

If you have an ordinary computer and you have given a code to break. then it will try every possible combination one at a time.
But if you give the same work to a quantum computer then, it can try all the codes at once.
There is really a huge area of application of quantum computers are possible. and it’s really the financially the driving force in putting money into the industry and persuading people to really try to build these things.

The first government which has a functional quantum computer, which can break into secret messages is going to be as a big advantage. and maybe we want to try and hide away the fact that they’ve got those capabilities and if the superposition wasn’t weird enough.
a quantum computers qubits can be paired up or entangled and then can instantaneously affect each other from anywhere else in the universe.

Well, that’s all very well in theory but it is really hard in practice.
At Sussex University researchers are preparing for the challenge of scaling up their prototype quantum computers to take them from handfuls of qubits on the lab bench to industrial scale.

So quantum computers have been in a way for a long time.
The holy grail of science and with that, it actually seemed nearly impossible to builtin and people felt maybe it’s just never possible to build virtual machine. the reason why it’s so hard because to control quantum effects.
According to the above-mentioned problem, it is really hard to produce a quantum computer on a large scale.

Quantum computer


Quantum effects like, that an atom can be at two different places at the same time. It is so hard to control at the moment.
I have a question about the quantum computer that, how will we use them when we have them?

what is a quantum computer program?

The basic building blocks of a quantum computer program are really very alien to us. They’re things like superposition and entanglement.
These are the right high-level concepts to be to put into our quantum computer programs. but it’s very hard for the human brain to understand what entanglement is? and what its consequences are?
Thinking of qubits is connected by pieces of string, actually works extremely well to help us design and predict designer quantum programs and predict what they will do.

So perhaps a high-level quantum programming language of the future could look like a sort of a knot or a children’s game with untangling the fishing lines and see who’s got. which fish you could imagine?
Drawing all these strings and having them connected to each other and going up and going down and coiled around and the pattern of how those strings interact that pattern is your content program.

Let’s take a real example of “Oxford University’s quantum computer”.
The lab is a wizard’s paradise of lasers vacuum, chambers and traps.
For atom-sized particles in the lab, they’ve achieved a world record level of control over their quantum bits.

What will your quantum computer look like?

So, ideally, it looks extremely boring and very small. So when we build something like this, it takes an optics table that is 2 meters by 1 meter by 1 meter high.
What we want to do is build devices that can contain about 5 or 10 cubits. we build many of these devices and hook them together of our network.
This is the same way as if you have a supercomputer. nowadays you don’t have one big computer, you have lots of smaller computers that hook together in a data centre.

Quantum computer

These data centres thrumming with lots and lots of different machines and lots of blinking lights. that’s what we envisage these things are.
It does sound like it’s not the most efficient design. if you’re plugging lots of these things together with optic fibre rather than making a quantum computer that has 50 cubits in one place.
So, the most efficient device we can ever build and have all the qubits being able to talk to every other qubit and that’s really you know where ideally you’d want to be.
but you’ll always get to the point, where you can’t put any more qubits in your device. where a device is so big you can’t build a bigger one and at that point what we want to do is have a network.
So once you’ve got as big as you can with these techniques you can then network them together to build bigger networks the huge potential of quantum computing has attracted big tech players.

The researchers can program over the Internet, both these companies are trying to build reliable quantum computers of around 50 cubits.
Now, I think at this point, they will achieve something called “quantum supremacy”. which sounds world-changing but it might not be. Because when you cross that boundary nothing instantaneously magical happens.
It’s just the point at which you can’t predict what the Machine would do. It’s the point that the machine might be useful for something. but it’s not the point at which the quantum hardware is supreme.

When it comes to quantum computing a lot of the research still seems to be happening very much in academia. but I don’t know how much of it is being taken away from the lab bench for applications in the real world.

Applications of Quantum computer

Medicine and materials

A quantum computer copyist the computing styles of nature and allowing it to simulate, understand and improve natural things like molecules and their interactions.

Cryptography

Quantum computers have the potential to keep data private and safe from hackers and snoops. And it doesn’t matter where the data is stored.

Machine Learning

According to some research, it is suggested that quantum computer could significantly increase machine learning and data analysis.

Searching Big Data

It can search every bit of a data that is created ever and locate it.

8 thoughts on “Quantum Computer: An Undefined Technology”

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