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Discover the key theories and milestone developments in the field of geography – the study of Earth’s diverse landscapes and climates, and the ways in which we have interacted with them through history and across the world. Applying the series’ accessible approach to the subject, The...

Ninety-five percent of the universe is invisible. Dark matter holds galaxies together; dark energy tears space apart. For a quarter of a century, these two phenomena have been treated as separate mysteries—independent entries in the cosmic ledger, unrelated in origin and opposite in effect. This book argues that they are the same mystery. Drawing on quantum field theory, general relativity, and a systems-theoretic perspective that spans disciplines, Boris Kriger proposes that the energy of empty space is not uniform.