Contents of the May/June 1995 issue of Quantum
by Yuly Ilyashenko and Anna Kotova
When the American mathematician and Fields Medal winner Stephen Smale offered it to the world some 30 years ago, it caused a sensation in the field of differential equations. And yet this construction is simple enough to be presented within the framework of the high school math curriculum.
Airplanes in Ozone
by Albert Stasenko
The periodic ozone hole over Antarctica has been the subject of much research and debate. This article examines the effect of a new generation of jet aircraft on levels of atmospheric ozone.
Four frequently updated files of frequently asked questions (FAQ) about stratospheric ozone depletion are available via a hypertext document and also by FTP. These files are posted monthly, usually in the third week of the month.
Jesse James Discovers the Heat Equation
by Kurt Kreith
An old ballad has it that the notorious train robber Jesse James stole from the rich and he gave to the poor. If he had studied physics instead of train schedules, he would have discovered that his economic agenda had much in common with so-called diffusion processes.
by John Wylie
Magnetic monopolesthe subject of this articlemay not even exist. But that doesnt stop this physicist from investigating them full-bore and offering his readers some fascinating physics along the way.
Looking Back: The Great Art
by Semyon Gindikin
The controversial origins of Cardanos formula.
Kaleidoscope: Hows Your Astronomy?
by Alexander Leonovich
Questions, interesting facts, and a microexperiment.
Physics Contest: The First Photon
by Arthur Eisenkraft and Larry D. Kirkpatrick
Problems concerning the particle nature of light, with a surprise visit from a vending machine that dispenses potato chips.
Math Investigations: Maximizing the Greatest
by George Berzsenyi
Another interesting problem in the literature that deserves to be generalized and could lead to independent research or a science project in mathematics.
Toy Store: Head over Heels
by Sergey Krivoshlykov
The mechanics of a topsy-turvy top.
How Do You Figure?: Challenges in Physics and Math
Brainteasers: Just for the Fun of It!
Answers, Hints & Solutions
Copyright © 1995 National
Science Teachers Association