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Contents of the March/April 2000 issue of Quantum


Feature articles

Geometry of Sliding Vectors

by Y. Solovyov and A. Sosinsky

"The Swan is heaven bound, the Crayfish pulls backward, the Pike moves upstream."--I. A. Krylov
Art by Jose Garcia

Mathematics: 1900-1950

by V. Tikhomirov

An overview of the first half of the 20th century.


A Star is Born

by V. Surdin

Gravity backs a stellar production.


Principles of Vortex Theory

by N. Zhukovsky

Inside the hydrodynamics of Helmholtz.


Departments

Physics Contest: Magnetic Vee

by Larry D. Kirkpatrick and Arthur Eisenkraft


Kaleidoscope: About the Triangle


At the Blackboard I: An Olympian Effort

by V. Tikhomirov


Looking Back: Experiments of Frank and Hertz

by A. Levashov


At the Blackboard II: Inequalities Become Equalities

by A. Egorov


In the Open Air: A Watery View and Waterloo

by A. Stasenko


At the Blackboard III: An Old Algorithm

by Y. Solovyov


Poem: The Death of a Star

by David Arns


In the Lab: Boiling Liquid

by A. Borovoi


Informatics: Langton's Ant

by Don Piele


How Do You Figure?: Challenges in Physics and Math


Brainteasers: Just for the Fun of It!

Check out this sample!

Crisscross Science

Scientific crossword puzzle.

Answers, Hints & Solutions


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