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Physics
Mark Eichenlaub's user avatar
Mark Eichenlaub's user avatar
Mark Eichenlaub's user avatar
Mark Eichenlaub
  • Member for 15 years, 3 months
  • Last seen more than a week ago
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About

I write physics courses at focused on problem solving at Art of Problem Solving. They range from introductory algebra-based courses to physics olympiad preparation.

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Top posts

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294
Why are mirror images flipped horizontally but not vertically?
Apr 7, 2011
135
Why doesn't the Moon fall onto the Earth?
Apr 24, 2011
126
Why am I not burned by a strong wind?
Feb 1, 2014
125
Is Earth really a magnet?
Oct 31, 2015
93
Why does the atmosphere rotate along with the earth?
Nov 22, 2010
91
What software programs are used to draw physics diagrams, and what are their relative merits?
Nov 9, 2010
86
Why is the Earth so fat?
Apr 5, 2011
77
What exactly is heat?
Apr 12, 2011
77
Why doesn't this perpetual motion machine using the buoyant force work?
Nov 11, 2010
75
Why the Principle of Least Action?
Oct 19, 2011

Top Meta posts

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20
How do you cite yourself?
20
Is there a standard place to point people to learn how to typeset their equations?
16
The Brahms vs. Bieber Effect
12
Should we repeat common questions?
9
Can I ask several related questions in a single thread?

Top network posts

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452
Fourier transform for dummies
322
Find five positive integers whose reciprocals sum to $1$
89
What am I doing when I separate the variables of a differential equation?
73
How to overcome the fact that I can't write?
48
Why does a circle enclose the largest area?