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In this issue
Earth’s electric atmosphere
Physics Review
How does a touch screen work?
Physics Review
Stars, spheres and spectra
Physics Review
Flexural strength
Physics Review
Estimation and approximation
Physics Review
Orders of magnitude
Physics Review
Physicists
Physics Review
Creating a temperature sensor
Physics Review
Looking ahead
Physics Review
Multiple-choice questions on electrostatics
Physics Review
Stars, spheres and spectra
Physics Review
Hertha Marks Ayrton 1854–1923
Physics Review
Making sparks
Physics Review