The Quantum Revolution

The ‘quantum revolution’ spouts claims of turning many ideas of science fiction into science fact — from metamaterials with mind-boggling properties like invisibility through limitless quantum energy and room temperature superconductors to Arthur C Clarke’s space elevator. Scientists even forecast that in the latter half of the century everybody will have a personal fabricator that re-arranges molecules to produce everything from almost anything, yet how will we ultimately use our mastery of matter? What are the risks?