To add to this excellent xkcd comic, the following site also exists : Password Haystacks. Which is a stronger password? T@+t0O or dudewhatdoesmytattoosay (Click to find out, I’ll wait). Pretty sweet indeed. What a difference. Anyways, the reason I’m linking this stuff is that this would make a great lesson in exponents. While the […]
Does Hurricane Irene fit a logarithmic spiral? I made a Geogebra applet to see if it does. Enjoy. Parametric equation:
Python Challenge is a “programming riddle” on the internet. What is the Python Challenge? The Python Challenge is a set of riddles that require a little bit of Python programming to be solved. The solutions are entered by changing the address of the page (URL). You get used to the idea pretty fast after […]
From Bloomberg: Venezuelan President Hugo Chavez ordered the central bank to repatriate $11 billion of gold reserves held in developed nations’ institutions such as the Bank of England as prices for the metal rise to a record. Venezuela, which holds 211 tons of its 365 tons of gold reserves in U.S., European, Canadian and Swiss banks, will progressively return the bars […]
This will be my third year teaching Introduction to Computer Programming. The first year I had 15 students which was a good showing, but last year I only had 5 students. It turned out to be a scheduling issue, but I was still worried about the health of the course, and whether or not it […]
I’m updating the hosting of the blog (among other things), so please stay tuned. Cheers. Dan.
@fnoschese retweeted the following stat on twitter: It seemed a bit low to me, so naturally I started a totally unscientific poll. Please go here and fill out at least one of the questions. The results will be posted back here in a couple of days. Thanks much. Dan https://spreadsheets.google.com/spreadsheet/viewform?formkey=dFVUTl9HXzNTaDRvUTN5RGxjOE5BVWc6MQ#gid=0
From Make. Just discovered this fascinating little geometrical recreation at the 2011 Bridges Math Art Conference galleries. The idea is simple, and the field still fairly unexplored, from what I can tell. What interesting 3D shapes can be made by zipping up the edges of a planar shape using a single zipper? A bit of Googling […]