EntityQ4461978· pop 6· linked from 10 articlestranscomputational problemSign in to saveproblem whose solution requires a computer at least the size of the Earth and a time period at least the estimated age of the Earth to be computedConnectionsEarthConceptcolorEntitycellEntityInternational Standard Book NumberEntitysystemEntityintegrated circuitEntityretinaEntitychessboardEntitypatternEntityBoolean data typeEntitycomputational complexity theoryEntityoutput deviceEntitypattern recognitionEntityinputEntityphotosensitivityEntitybrute-force searchEntityMatrioshka brainEntityfinitismEntitycomputational problemEntityBremermann's limitEntityCategoriesComputational complexity theoryLimits of computationTheory of computation