I’ve heard it said that “Solar panels don’t pay for themselves.” Let’s investigate this claim: This is an expensive U.S.-made solar panel. It costs $435, is rated at 430W, and has a 25 year warranty:...
I’ve heard it said that “Solar panels don’t pay for themselves.” Let’s investigate this claim: This is an expensive U.S.-made solar panel. It costs $435, is rated at 430W, and has a 25 year warranty:...
It’s not what you think
Back when I was a boy I was obsessed with telescopes, astronomy, and space. I saved my money and bought a three inch Newtonian reflector telescope from Edmund Scientific[1] and subscribed to "Sky and Telescope" magazine. In 1979 the Voyager 1 probe reached Jupiter and...
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