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Out of the darkness

Article Abstract:

Earlier studies showed that cosmic acceleration was caused by dark energy. However a recent approach showed that string theory could be the reason for this acceleration that describes the changes in law of gravity bringing about additional directions in which the particles roam.

Author: Dvali, Georgi
Publisher: Scientific American, Inc.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 2004
Evaluation, Acceleration (Mechanics), Acceleration, String theory, Dark energy

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The quintessential universe; the universe has recently been commandeered by an invisible energy field, which is causing its expansion to accelerate outward

Article Abstract:

Cosmologists have become convinced of the existence of a 'dark energy' in the universe, with a gravity that repels. In fact, the repulsive aspect of the gravity is winning the battle with ordinary matter and the expansion of the universe is increasing at a faster rate.

Author: Ostriker, Jeremiah P., Steinhardt, Paul J.
Publisher: Scientific American, Inc.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 2001
Cover Story, Space sciences, Expanding universe

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The universe's unseen dimensions

Article Abstract:

Issues are presented concerning the structure of the universe which is believed to be a three-dimensional membrane situated within a higher-dimensional realm. String theory and the weakness of gravity are discussed.

Author: Arkani-Hamed, Nima, Dimopoulos, Savas, Dvali, Georgi
Publisher: Scientific American, Inc.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 2000
Spatial systems

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Subjects list: Research, Cosmology, Gravity, Gravity (Force)
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