Sampling Error

Depressing for two reasons. First, because I thought it was a movie when it turned out to be a pilot for a series on Sci-Fi. Quality was l...

The fourth quadrant of Resistor, Capacitor, and Inductor. Insert jokes about the Three Musketeers here. I have a lot to learn , I'm j...

Richard Feynman's talk at the 1959 meeting of the American Physical Society at Caltech, describing nanotechnology as an important fiel...

This one is mine. I wonder whether people will look back on the huge oil spill in the Gulf Coast and say that it was one of the best thing...

An article I will read again and again. The applications go beyond programming.

Lots of people are talking/writing about it, but Charlie Stross I think has a good take here . Short version -- no one knows what will happ...

Question: What is the sum of all prime numbers below 2 million? Compiled correctly and gave the right answer the first time. Booyah.

Topical. Click on cartoon to see the whole thing.

Arthur C. Clarke formulated the following three "laws" of prediction: 1. When a distinguished but elderly scientist states that s...

A multi-part review of the Star Wars series of movies. Very funny.

Interesting errors in problem #8 were arrayOutOfBounds and remembering the syntax for string class operators. Slowly the concept of object...

Done with problem #7 . Lots of off-by-one errors around my loops to find the nth prime number. Also, a little bit of a problem with the ed...

Gotta like this if you like New York.

Prob 5 : Very cool problem, because the short solution (9 lines) was fast up to about first 10 integers (find lcm), then it became much slo...

Finished problem #4, which required finding the largest six-digit palindrome number with three digit divisors. The interesting shortcuts ...

"IBM researchers have developed a manufacturing technique capable of etching 1,000 three-dimensional world maps on materials the size o...

Ok, that one was hard: find the largest prime factor of a 12 digit number. Problems I ran into -- inefficient algorithms, and trouble ente...

Aaron Altman : What do you think the Devil is going to look like if he's around? Nobody is going to be taken in if he has a long, red, p...

Very cool. Not just because Woz has one, but partly . . . . Can't spend $400 on it, though.