Dot Physics

Archives for July, 2010

Maxima can be useful

The other day I found myself faced with six equations that needed to be solved algebraically. Just so you know, I am a big fan of paper for most of these cases – but this was out of control. I was making silly mistakes and causing all sorts of problems. What to do? My first…

More Dangerous Kids

My car had a flat tire. When you get a flat tire, you might as well make something useful of it – right? As I was jacking the car up, I had a great idea. Use this for one of my “Spoof Science” videos. The only problem is that this takes a ton of work…

ScienceBlogs: What if…

In regards to the recent PepsiCo blog situation (you know the one I mean), I wasn’t going to say much. First, because Chad did a good job at expressing my views (without me even telling him ). Second, I am just happy to be at ScienceBlogs – I had been kicked off two servers and…

Right Turn and Zombies

In my last zombie post, I looked at a human moving in a circle to avoid a zombie (if they are stuck in a room). What if I build a zombie evading robot that always moves perpendicular to the path of the zombie? Would this work? This shouldn’t be too difficult to model. I can…

It is that part of the semester where the Right Hand Rule (RHR) comes out. Really, the best part is the students taking the tests. They make all these funny motions with their hands. That makes tests more entertaining (for me) than they usually are. What is the RHR? Suppose I have two numbers. Maybe…

Chased by a Zombie

Title: Chased by zombies When I heard word about the ScienceBlogs Zombie Day, I knew I wanted to participate with a post – but I had no idea what to do. My first thought was to somehow talk about living off the electric grid in the case of a zombipocolypse – you know, like how…