Special Report

The CIO's guide to Quantum computing

Quantum computers offer great promise for cryptography and optimization problems, and companies are racing to make them practical for business use. ZDNet explores what quantum computers will and won't be able to do, and the challenges that remain.

Europe doesn't exactly lead the world in supercomputing power, but it's on the hunt for a system that could rival the most powerful systems in use today. 

The call comes from the European High Performance Computing (HPC) Joint Undertaking (EuroHPC JU), which has been established to "develop, deploy, extend and maintain in the union a federated, secure hyperconnected supercomputing, quantum computing, service and data infrastructure ecosystem". The EU plans to spend up to