Two Halves of a Perpetual Motion Machine


Was just given cause to think about this…

For those who can’t spare the 65 seconds to watch all the way through, someone’s prepared a cool animated .GIF:

Not sure what got me on that. I was reading Gerard’s site, and I happened across something there…this, I think. Which led me to this. Oh, dear. Oh yes, that must have been it. Definitely yes.

If the latest news out of Lawrence Berkeley National Laboratory in San Francisco is accurate, those who both worry about the dangers of manmade climate change and support the legalization of marijuana are going to have to make a tough choice.

According to a report by Evan Mills, an energy analyst at the lab, the growing of marijuana indoors uses 1 percent of the U.S. electricity supply and creates 17 million metric tons of carbon dioxide every year. That’s not including the carbon dioxide produced by exhaling pot smoke.

The chief source of the energy expenditure comes from the special plant lights required to grow cannabis indoors, which require 500 times as much energy as bulbs needed for reading. Other factors, including air conditioning, ventilation, and humidity control, also contribute to the cost.

++Meow!++ Whoosh whoosh whoosh whoosh…

Cross-posted at House of Eratosthenes.

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