Solar energy: yield trend
The tutor begins an exploration of the changing feasibility of solar energy. There is a graph provided by Scientific American that shows the Watts one might get for $100 from solar cells by year. As they point out, it’s a …
Category: energy
Energy: what if you had to use your own, part 0
The tutor begins a series on the idea of a human-powered household. It’s not a new concept, that human energy could be harnessed to produce electricity. However, the specific numbers aren’t always discussed. The exercise bike says I can burn …
Energy efficiency: electric cars vs gasoline-powered cars
The tutor continues to investigate energy alternatives. The comparison between electric and gasoline cars might depend on your point of view. Someone told me a while ago that electric cars are 50% efficient. I was surprised to hear that number, …
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Power Plant efficiency: heat rates
A tutor, or anyone else, might be interested in power plant efficiency. Here’s a handy starting place for anyone facing the question. In my continuing quest of information about energy, I’ve found numbers about power plant efficiency. Once again, …