The Physics Teacher

• 

  Año 2015, Vol. 53, Número 4

  • LETTERS TO THE EDITOR

    • Comment on chalk breaking

      Arjun Tan

      pág. 196

      

    • Activating a radiometer with a hair dryer

      Carl Mungan

      pág. 196

      

    • Comments on "Platonic Relationships Among Resistors"

      Mikhail Kagan

      pág. 196

      

    • More people should know physics rudiments

      Harvey S. Left

      pág. 197

      

  • FIGURING PHYSICS

    • LARGER SPEED; LARGER MOMENTUM

      Paul Hewitt

      pág. 198

      

  • PAPERS

    • Fixing the Shadows While Moving the Gnomon

      Alejandro Gangui

      • Resumen

      pág. 199

      

    • Kepler's Third Law and NASA's Kepler Mission

      Alanº Gould, Toshi Komatsu, Edna DeVore, Pamela Harman, David Koch

      • Resumen

      pág. 201

      

    • The Maiden Voyage of a Kinematics Robot

      Matthew L. Greenwolfe

      • Resumen

      pág. 205

      

    • Light-Emitting Diodes: Learning New Physics

      G. Planinsic, Eugenia Etkina

      • Resumen

      pág. 210

      

    • Precession of a Spinning Ball Rolling Down an Inclined Plane

      Rod Cross

      • Resumen

      pág. 217

      

    • And the Survey Says

      Susan C. White

      • Resumen

      pág. 219

      

    • Relating Time-Dependent Acceleration and Height Using an Elevator

      Jason M. Kinser

      • Resumen

      pág. 220

      

    • A Simple Mechanical Experiment on Exponential Growth

      Ralph McGrew

      • Resumen

      pág. 222

      

    • Negative Work Done by a Person

      Carl E. Mungan

      • Resumen

      pág. 224

      

    • Measuring Musical Consonance and Dissonance

      Michael C. LoPresto

      • Resumen

      pág. 225

      

    • A Bit of Quantum Mechanics

      S. Oss, Tommaso Rosi

      • Resumen

      pág. 230

      

    • Photogate Timing with a Smartphone

      Kyle Forinash, Raymond Wisman

      • Resumen

      pág. 234

      

    • Cell Phone RF Radiation

      Wathiq Abdul Razzaq

      • Resumen

      pág. 236

      

    • Signal Frequency Spectra with Audacity®

      Alicie Gailey

      • Resumen

      pág. 239

      

  • LITTLE GEMS

    • Watching harmonics beat

      David Keeports

      • Resumen

      pág. 244

      

  • Trick of the Trade

    • Resonance in a head massager

      Jair Lúcio Prados Ribeiro

      • Resumen

      pág. 245

      

  • FIGURING PHYSICS

    • Figuring Physics

      Paul Hewitt

      pág. 246

      

  • iPHYSICSLABS

    • Measuring the acoustic response of Helmholtz resonators

      Martin Monteiro, Arturo C. Marti, Patrik Vogt, Lutz Kasper, Dominik Quarthal

      • Resumen

      pág. 247

      

  • FERMI QUESTIONS

    • Fermi Questions

      Larry Weinstein

      pág. 249

      

  • ASTRONOTES

    • Bringing critical thinking into introductory astronomy

      Joe Heafner

      • Resumen

      pág. 250

      

  • FOR THE NEW TEACHER

    • "Out of the box" professional development

      Diane Riendeau

      • Resumen

      pág. 251

      

  • PHYSICS CHALLENGE FOR TEACHERS AND STUDENTS

    • Physics Challenge for Teachers and Students

      Boris Korsunsky

      pág. 252

      

  • WEBSIGHTS

    • Perimeter Institute posters: Great physics teachers and STEM figures who made their mark

      Dan MacIsaac

      pág. 253

      

    • How do mirrors work revisited

      Dan MacIsaac

      pág. 253

      

    • Deliberate and thoughtful climate engineering: Coming soon to a planet near you

      Dan MacIsaac

      pág. 253