It doesn’t need to fully capture every detail of the object to make that decision. But we hope that AI applications can tolerate more errors than conventional computing and so the machine won’t need to be quite so well isolated.įor example, AI is often used to classify data, such as deciding whether a picture shows a car or a bicycle. The technical challenges in our project are very similar to those for building a universal quantum computer that can be used for any application. But the processor also needs to be connected to the outside world somehow in order to communicate. For example, quantum processors need to be kept in a vacuum at a very cold temperature (close to absolute zero) otherwise they could be affected by air molecules striking them. This is because quantum computers need to be very well isolated from disturbances in their surroundings, which becomes harder and harder as the machines get bigger. But none have yet reached a stage where they can outperform existing (non-quantum) computers. Motivated by the prospect of significantly greater processing power, many universities, tech giants and start-up companies are now working on designs. So far, only small quantum computers that demonstrate parts of the technology have been successfully built. This means that quantum computers can process huge amounts of data in parallel (at the same time). Every extra qubit added to the system doubles its computing power. Quantum computers store data in “qubits”, which can take on many different states. Traditional computers store data in units known as bits, which can take one of two states, either 0 or 1. We expect that this will make it easier to scale them up without errors. These networks will not be coded in software, but directly built in hardware made of superconducting electrical circuits. Our Quromorphic project aims to radically speed up this process and boost the amount of input data that can be processed by building neural networks that work on the principles of quantum mechanics. The current most advanced AI, like AlphaGo, takes a long time to train. For example, for AI that could tell you which restaurant you would most enjoy going to, the quality of the food may be more important than the location of the table that’s available, so would be given more weight in the decision-making process. Each neuron mimics a decision-making process by taking a number of input signals and processing them to give an output corresponding to either “yes” or “no”.Įach input is weighted according to how important it is to the decision.
#HOW TO MAKE A COMPUTER PROGRAM TO REPLICATE THE BRAIN SOFTWARE#
Many attempts to build this kind of software involve writing code that mimics the way neurons in the human brain work and combining many of these artificial neurons into a network. We need much more advanced AI if we want it to help us create things like truly autonomous self-driving cars and systems for accurately managing the traffic flow of an entire city in real-time. By combining these two branches of computing, we hope to produce a breakthrough which leads to AI that operates at unprecedented speed, automatically making very complex decisions in a very short time. My colleagues and I instead hope to build the first dedicated neural network computer, using the latest “quantum” technology rather than AI software. But this approach typically involves building software so information is processed in a similar way to the brain, rather than creating hardware that mimics neurons.
Today, artificial neural networks inspired by the structure of the brain are used to tackle some of the most difficult problems in artificial intelligence (AI). So it’s not surprising that engineers have long been trying to copy it. The human brain has amazing capabilities making it in many ways more powerful than the world’s most advanced computers.
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