This is a nice collection of some lovely mathematical images and animations:
There are some knot animations, some 3-D fractals, and some cool surfaces. It seems as though these images and animations were generated in Maple.
There are also some nice images generated in some kind of ray-tracing program that may or may not be called vort.
Vort could also be the name of the person who created all these images. I’m not sure; my Dutch isn’t very good.
I have always been fascinated with menus, and one of my favorite pastimes is analyzing menus for price discrepancies.
For example, how many different prices can you spot Wendy’s charging here for the same Meal Combo upgrade?
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Through Math for America, I am part of an on-going collaboration with the New York Times Learning Network. My latest contribution, a Test Yourself quiz-question, can be found here:
http://learning.blogs.nytimes.com/2011/02/14/test-yourself-math-feb-14-2011/
This problem is based on comparing the total national incomes of the United States and China. My solution offers a simple way to turn per capita income and population into meaningful percentages.
I wonder if this will be a popular query on WolframAlpha today:
Thanks to @mathematicsprof for the idea!
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I have definitely wasted some time playing around with this: a website that uses side-by-side Google Maps to show a locations’s antipodal point on Earth.
Apparently I was never in any danger of digging my way to China as a young boy. To do that, I would have had to start in Argentina.