I really have other work to do, but this is fun. Spoiler ALERT!!!! If you have not looked at the car talk puzzler of the week, maybe you should avert your eyes. Really, this one is not nearly as hard as some of the others. The basic idea is that a couple drives from LA to Monterey. On the way back they take their time and leave at a different time. What is the probability that they are at the same point on the trip at the same time? Read More...

Tags: velocity

Sometimes it takes an article to inspire me. I just read an article about Dale Earnhardt Jr using pulse-and-glide techniques in NASCAR and it got me to thinking. The basic idea of pulse and glide (as I understand it) is to not use your engine as much when it is at a low load because it is not as efficient. Instead, accelerate to 10 mph over your desired speed and coast to 10 mph under your speed limit. Apparently, this can save fuel.
Here is the question: How do you drive to make your average desired speed? Read More...

Tags: speed, velocity