Skip main navigation

New offer! Get 30% off one whole year of Unlimited learning. Subscribe for just £249.99 £174.99. New subscribers only. T&Cs apply

Find out more

Quantum chemistry

The Green Revolution of the twentieth century increased the production of food worldwide. Hunger, in most countries, is now more a matter of economic inequality, poverty and weak governance rather …

Generalized search

Computer scientist Lov Grover found a quantum algorithm, or perhaps more correctly an algorithmic framework, that allows quantum computing to be applied to almost any problem. It is commonly applied …

Factoring of large numbers

If you have heard of quantum computers before, you have probably heard that they can factor large numbers. Factoring seems simple, if you think about small numbers: it’s easy to …

Sheer Curiosity

The final motivation for building quantum computers is certainly the most fundamental: sheer curiosity. Scott Aaronson, professor at the University of Texas at Austin, said in his Ph.D. thesis, back …

Moore’s Law: the Technology Incentive

The number of transistors in a CPU continues to increase. Famously, the exponential pace of this growth over the last several decades is called Moore’s Law. What is the current …

Introduction

After twenty years as a subject of quiet academic research, suddenly talk about quantum computers is everywhere. You can use a quantum computer via the web, and perhaps soon buy …