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Article: Unworldy pressures: scientists put the supersqueeze on gases, metals and minerals.
- Article from:
- Science News
- Article date:
- February 2, 1991
- Author:
CopyrightCOPYRIGHT 1991 Science Service, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Unwordly Pressures
By squishing materials in the clenched jaws of a diamond vise, scientists are striving to achieve the ultimate tight squeeze. In so doing, at least one team may have pinched a new record for the largest pressures ever sustained in a laboratory -- super-squeezes soiintense that they apparently exceed even the colossal pressures exerted at the center of the Earth.
Attaining these exotically high pressures intthe lab enables geophysicists to mimic conditions deep within the Earth and other planets, and provides physicists with valuable experimental checks onttheories about atomic and molecular behavior.
In the December 1990 ...
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