About Me
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Popular Essays
Math and Physics
education
Moving Beyond the Korean System:
On Learning To Love Mathematics and Physics
Surprises in math, the reason why I study physics,
and a recommendation for "The Number Devil"
Is math and science homework mechanical drudgery?
Are memorizing formulas well and good arithmetic
skills essential to become a good theoretical
physicist or a good mathematician?
The difference between explaining theoretical physics
or math and other subjects
Math or Physics
education
Why Math Education Matters
Why Math Education Matters 2
Studying physics as resolving paradoxes
Math and Physics
The mathematical beauty of physics:
simplicity, consistency, and unity
English as a foreign language versus English as a
mother tongue: an analogy for the language of
mathematics and the language of physics
Physics solutions for mathematical problems
Math
The imagination in mathematics:
"Desargues's theorem"
Mathematical maturity in
solving mathematics problems
Turning a complicated multiplication
into a simple addition
The square root 2 as
irrational number
Rational numbers and repeating decimal
Math History
The superiority of Hindu-Arabic numeral system
Fermat's Last Theorem
The power of negative number
Pythagoras and the musical scale
The calculation of pi, the first part
The calculation of pi, the second part
Why are there as many even
natural numbers as natural numbers?
Math and Society
Nightingale, the statistician
The prisoner's dilemma
Between intuition and logic, the Monty Hall problem
Physics
The similarity between painting and theoretical physics
Fermat’s principle and the consistency of physics
Did Einstein really prove that Newton was wrong?
The cosmological principle, and my view on philosophy
The case for string theory
Why are theories of crackpots, the self-claimed physicists
who lack proper physics education, wrong and useless?
How are theories and laws in physics created?
About This Page
Found out the reasons for my physics website
Review Articles
Introduction
High School Mathematics
For Laymen
For Mathematically Oriented High School Students
For Physics Students
The Most Recommended Articles
Other Resources
Recommended Physics Books
Other Physics Resources
My Harvard Application Essay
My MIT Application Essay
Ein Monat wie im Traum (in German)
Feedback
한국어
Korean
For Korean Laymen
For Korean Students
Newton’s Inverse Square Law of Gravity
1. Conic sections and Newton’s law of gravity
2. The inverse square law and the 3-dimensional world
Comments:
These two articles can be read more or less independently of one another.
