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The triangular universe

Article Abstract:

The casual dynamical triangulation (CDT) method is emerging as a promising approach to solving the problems in physics like unifying the laws of gravity with those of quantum mechanics. The CDT has constructed spacetime geometries from simple triangular structures and they have generated model universe, which can reproduce features seen in standard cosmological theories, such as the expansion and contraction of space overtime.

Author: Alpert, Mark
Publisher: Scientific American, Inc.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 2007
Analysis, Quantum theory, Quantum mechanics, Space and time, Spacetime, String theory

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Replumbing the Everglades

Article Abstract:

The Army Corps of Engineers has submitted to Congress a $7.8-billion, 20-year restoration plan for the Everglades. It calls for the abolition of 240 miles of canals and levees that would increase the water flow in the Everglades to its original volume.

Author: Alpert, Mark
Publisher: Scientific American, Inc.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 1999
Planning, Florida, Environmental aspects, Everglades, United States. Army. Corps of Engineers, Wilderness areas

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