Quantum computers could transform our lives. Based on a branch of Physics that even Einstein found "spooky", the machines are still in their infancy. But governments and corporations are spending billions trying to turn them into workable technology. Neal Razzell finds out why by talking to four experts:

Shohini Ghose, Professor of Physics and Computer Science at Wilfred Laurier University in Canada

Image: Professor Winfried Hensinger with a quantum computer prototype at the University of Sussex. Credit: Ion Quantum Technology Group, University of Sussex, UK.