Vacuum
by A. Semenov
Making something out of nothing.
The new Earth
by A. Stasenko
We must approach global construction with the utmost care.
2-adic numbers
by B. Becker, S. Vostokov, and Y. Ionin
Employing Hensel's rational insights.
Departments
Physics Contest: Image charge
by Larry D. Kirkpatrick and Arthur Eisenkraft
Electrostatic inquiry.
Kaleidoscope: The pointed meeting of a triangle's altitudes
by I. F. Sharygin
Various ways of proving a well-known theorem.
At the Blackboard I: A cardioid for a mushroom picker
by S. Bogdanov
The curvy path of a lost forager.
At the Blackboard II: Electric currents on coulomb hills
by E. Romishevsky
The ups and downs of a circuit.
At the Blackboard III: Completing a tetrahedron
by I. F. Sharygin
A geometrical trick of the trade.
Looking Back: Light in a dark room
by V. Surdin and M. Kartashev
History of the camera obscura.
Cowculations: Contented cows
by Dr. Mu
Finding all ways to sum the digits in a number to zero.
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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