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I call your attention to the brilliant marvel of engineering shown in the image below. This model was developed before most of you were born. It is the little diesel engine that could – get 60 mpg, in my second car – a 1984 Ford Escort Diesel. Most people didn’t even know they existed, butRead more

A while back, a reader asked, “why don’t we switch to at least localized direct current power grids?” The simple answer is it would cost a fortune for both the utility and the consumer to change all distribution and consuming loads to take DC power. As I researched power factor, I recalled why we haveRead more

We interrupt this rant for this special announcement.  Our cold spring in the northern plains is wreaking havoc in the form of tornadoes in the southern and middle parts of the country. I think the weather phenomena had a lot to do with my interest in mechanical engineering.  Growing up on the farm in theRead more

Jenny Craig customers do it all the time – pay money to consume less.  This may make perfect sense to people who understand customers’ needs, but to others it seems really stupid to pay somebody to help use less of something.  This is a bit like utility programs that spend money for customers to useRead more