Planar graphs
by A. Y. Olshansky
Connecting points on a plane without intersections can be tricky—just
ask an electric circuit designer. A consideration of the implications and applications of
planar topology.
Waves beneath the waves
by L. Brekhovskikh and V. Kurtepov
Anomalies in the ocean’s temperature and salinity create underwater pathways
through which sound can travel over long distances. Learn why the pathways exist and why
they are a good oceanographic tool.
The gambler, the aesthete, and St. Pete
by Leon Taylor
How much would you stake on a bet with an infinite possible payoff?
Departments
Gradus Ad Parnassum: Variations on a Theme
by Mark Saul and Titu Andreescu
Quantum’s newest column gives a nod to Beethoven in its treatment of the
Arithmetic Mean-Geometric Mean inequality.
Kaleidoscope: Molecular Intrigue
Surprising facts and thought-provoking questions about particles at the atomic level.
Looking Back: The Lunes of Hippocrates
by V. N. Berezin
Interesting by-products of a Grecian attempt at squaring the circle.
Physics Contest: Local Fields Forever
by Arthur Eisenkraft and Larry D. Kirkpatrick
The vector sum of gravitational fields is something we can actually sense.
At the Blackboard: Incandescent Bulbs
by D. C. Agrawal and V. J. Menon
The intense heat generated by lightbulbs is not just a filament of your imagination.
At the Blackboard II: Constructing Quadratic Equations
by A. A. Presman
Put away your calculator and grab your compass and straightedge.
Cowculations: Gingerbread Man
by Dr. Mu
Dr. Mu’s trusty computer cranks out some holiday cookies.
In the Lab: Hyperbolic Tension
by I. I. Vorobyov
Relax. Measuring surface tension is not as hard as you think.
How Do You Figure?: Challenges in Physics and Math
Brainteasers: Just for the Fun of It!
Check out this sample!
Happenings: Bulletin Board
Crisscross Science
Scientific crossword puzzle.
Answers, Hints & Solutions
 Quantum Control Panel
Information | Background | The CyberTeaser | Quantum News | Miscellaneous Stuff
Copyright © 1997 National
Science Teachers Association
All rights reserved |
