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Contents of the September/October 1999 issue of Quantum 


Feature articles

A Chebyshev polyplayground

by N. Vasilyev and A. Zelevinsky

Recurrence relations applied to a famous set of formulas.
A Chebyshev polyplayground | Art by Vasily Vlasov
Art by Vasily Vlasov

Electric multipoles

by A. Dozorov

How a little order can weaken your potential.

Thoroughly modern Diophantus

by Y. Soloviev

The arithmetic of elliptic curves.

When Trojans and Greeks collide

by I. Vorobyov

The challenge of multibody systems. 

Departments

Physics Contest: Breaking up is hard to do

by Larry D. Kirkpatrick and Arthur Eisenkraft

Taking a crack at nuclear fission. 

Kaleidoscope: Do you really know time?

by A. Leonovich

Still a mystery after all these years.

At the Blackboard I: Alexandrian astronomy today

by Case Rijsdijk

A recent lunar eclipse leads to a look backward. 

At the Blackboard II: Physical optics and two camels

by A. Stasenko

One hump or two? 

In the Lab: An unsinkable disk

by A. Luzin

What keeps it afloat?.

Looking Back: The great law

by V. Kuznetsov

The path to "universal gravitation." 

Cowculations: Out to pasture

by Dr. Mu

Dr. Mu's swan song. 

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. 

Happenings

Bulletin Board. 

Answers, Hints & Solutions


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