Archive for the 'Science' Category

30.03.2010: Horner’s rule: efficient evaluation of polynomials
01.08.2009: A group-theoretic proof of Euler’s theorem
17.07.2009: Equivalence classes and group partitions
13.07.2009: Detexify recognizes hand-written math symbols
11.07.2009: Generating multi-subsets using arithmetic
10.07.2009: The GCD and linear combinations
09.07.2009: The well-ordering principle
19.06.2009: Project Euler problem 66 and continued fractions
28.03.2009: Efficient modular exponentiation algorithms
21.03.2009: Efficient integer exponentiation algorithms
07.03.2009: Computing modular square roots in Python
21.02.2009: Rabin-Miller primality test implementation
20.02.2009: Genetical relatedness
13.01.2009: The limit of sin(h)/h, or deriving the sine function
07.01.2009: Variance of the sum of independent random variables
05.01.2009: Book review: “QED – The strange theory of light and matter” by Richard Feynman
26.12.2008: Solution to the RC circuit puzzle
22.12.2008: An RC circuit puzzle
02.12.2008: Posting mathematical formulae in a WordPress blog
14.11.2008: Book review: “A Certain Ambiguity: A mathematical novel” by G. Suri and H. Bal
15.08.2008: Intersection of 1D segments
17.01.2008: Pythagorean – the theorem with most proofs ?
08.04.2007: Solution of the Two Envelopes paradox
11.07.2006: Sum of digits and divisibility by 3
18.04.2006: Longest Increasing Subsequence
16.04.2006: Interesting scientific facts
19.09.2005: first real fuel-cell application
09.08.2005: creationism in US schools
03.07.2005: china, pebble bed nuclear reactors and hydrogen
26.06.2005: evolution and BMI, or why slim is attractive
24.06.2005: Simple math optimization problem
11.06.2005: meaningful MD5 collisions !!
15.05.2005: Book review: “The double helix” by James Watson
05.05.2005: quantum cryptography
29.03.2005: application of combinations
15.03.2005: pi-day
20.02.2005: life by Yudkowsky: transhumanism, singularity
21.01.2005: mathematical musing
03.12.2004: AI-ish attempt at teamsheet picking
28.10.2004: Book review: “Metamath: the quest for Omega” by G. Chaitin
21.09.2004: Book review: “Surely you’re joking, Mr. Feynman!”
10.09.2004: solution to the “math confusion”
08.09.2004: math confusion ?
12.05.2004: the rule of 72
05.05.2004: a roulette paradox
08.01.2004: remembrance of things past
28.10.2003: pop quiz paradox: my solution
27.10.2003: another probability paradox
27.10.2003: beautiful
24.10.2003: a probability paradox
23.10.2003: Book review: “Finite and infinite games” by James Carse
25.08.2003: Book review: “Math. puzzles and diversions” by M. Gardner
29.07.2003: hard IQ test