Contents of the November/December 1997 issue of Quantum
Hands-on (or -off?) Science
by Alexey Byalko
Have you ever wondered why a metal object at room temperature feels colder than a wooden object at room temperature? Heres your chance to explore the physics of thermal perception.
by S. Silich
What, where, and why they are. An in-depth look at the interaction between stars and interstellar gas.
by V. N. Vaguten
The surprising utility of conjugate numbers.
Gradus Ad Parnassum: Circular Reasoning
by Mark Saul and Benji Fisher
Quantums newest column kicks off with a step-by-step examination of inscribed angles.
Kaleidoscope: Do You Have Potential?
Try your hand at some problems with potential and then relax while perusing potentially shocking historical tidbits.
Looking Back: Van der Waals and His Equation
by B. Yavelov
Retrospective perspective on bringing ideal gases back to reality.
Physics Contest: Elephant Ears
by Arthur Eisenkraft and Larry D. Kirkpatrick
Our contest problem oscillates from simple problems to some challenging graphical and mathematical analysis.
At the Blackboard: The Ins and Outs of Circles
by I. F. Sharygin
Inscribed and circumscribed circles may have more in common than you think.
At the Blackboard II: Number Cells
by Thomas Hagspihl
Fill in the blanks (if you can).
by Dr. Mu
Dr. Mu turns to his trusty computer after a monthlong gambling spree.
In the Lab: Jingle Bell?
by N. Paravayan
Whats that bell doing in a vacuum?
How Do You Figure?: Challenges in Physics and Math
Brainteasers: Just for the Fun of It!
Happenings: The 1997 International Physics Olympiad in Ontario
by Dwight E. Neuenschwander
Plus: The Quantum Bulletin Board.
Scientific crossword puzzle.
Answers, Hints & Solutions
Copyright © 1997 National
Science Teachers Association