Under pressure
Article Abstract:
The pressure at the center of the Earth can be estimated using a very small device because all atoms follow the properties of matter regardless of number. Two diamonds pressing against one another will change phase at about 12 megabars.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 1996
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Doing the Poincare shuffle
Article Abstract:
A series of orbital encounters can be termed the 'Poincare shuffle,' referring to the French mathematician Jules-Henri Poincare. This concept can be clearly shown through computer simulations of celestial dynamics.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 1997
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Giant against giant in the dark
Article Abstract:
Squids can measure as long as 60 feet, move fast and eat fish and smaller squids. They are excellent predators but they, in turn, become prey to the giant sperm whale. Men, too, hunt them for food.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 1996
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