Guest Blogs

Hi! My mom has been busy this week, getting ready for vacations and back-to-school, so she let me do the Friday Fractal this week. I like making my own fractals, because they are always different, sort of like taking a picture. I made this one, and then showed it to Mom. She said I made "a Mandelbrot set using Carlson Orbit traps, named for Paul Carlson, who developed the original textures and parameters for the coloring algorithm." That’s right. Here it is: I’d like to call it "My First Mandelbrot Set". This one was neat, because it looks like it is made of circles, but it goes everywhere…
A colleague of Janet, over at Adventures in Ethics and Science, recently asked ScienceBlogs if certain chemical compounds in new carpeting could increase the risk of allergies for her young child. My father has been working in environmental safety for most of my lifetime. When I first brought my son home, I pestered him endlessly with questions about making my home a safe environment. Usually I was overreacting, but it was always reassuring to have that expert opinion at hand. Unfortunately, not everyone is lucky enough to have a chemist for a father. So, in hopes of reassuring Janet's friend…