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A group of Danes trying to save the word while keeping their Carlsberg cool have come up with a rather useful Green innovation. Earth cooled beer. This completely off grid solution is designed for the backyard patio or garden, relying on a hand crank to move beer from Mother Earth to the imbiber. The group's slogan is Save the world one earth cooled beer at a time and promotes itself with the testimonial "eCool is the greatest gift a man could wish for". No wonder the group can't keep up with demand.
I suspect between Danish love of the outdoors during the summer time, and drinking beer, this is going to be a hit. Hard to say how it'll do outside of Denmark but I have this strong desire to find out if the $350 price tag includes shipping to California.
(Score: 2) by evilviper on Sunday June 01 2014, @06:17AM
That would depend on local ground temperature. You can easily find maps of that.
eg. http://www.builditsolar.com/Projects/Cooling/EarthTemperatures.htm [builditsolar.com]
They're typically listed for 30ft (~10m) down, though, and this cooler only going maybe 3ft (1m) down will be MUCH closer to local air temperatures, so split the difference.
In summer, in the Mexican deserts, in a location without shade, given the fairly small depth, I'd bet on around 85F (~30C) degrees.
In Canada, during winter, I'd expect sub-freezing temperatures.
Hydrogen cyanide is a delicious and necessary part of the human diet.