TechnologyQuantum keys let submarines talk securely Submarines need to be able to communicate without being detected, and quantum encryption of laser light could help them do it 51¶¯Âþ
TechnologyQuantum computer chips pass key milestones Mac vs PC-type arguments may soon extend to quantum computing – a design based on superconducting circuits is gaining ground on rival setups that use photons or ions 51¶¯Âþ