Our thermal exchangers, pull power from soil, increasing net leisure, decreasing net toil. They work because temperatures deep underground, differ from those of the air all around, which causes trapped fluids to move out and in, which makes then a turbine built within to spin. This turbine's a motor, that rotates swiftly, it makes non-polluting electricity. We didn't invent it, but our type is grand – it powers communities across our land, it lights up our cities and hamlets and towns, its ease and efficiency are world-renown. Small ones are built into every new home, buried, forgotten, but never asleep, they recharge big batteries and mobile phones, they cool down our foodstuffs yet don't make a peep. To install them dig up a long and deep trench, then lay in some pipes of corrosion-less steel, adjust for the rate of drop, don't yet back-fill, go slowly and tighten each nut with a wrench. Now drop in a power-box to match your needs, and check every foot of pipe for cracks or bleeds, and check your connections – make sure they are sound – then bury the pipe six good feet underground. A portion stays outside, exposed to the air, built into a crawl-space or under the stairs, to feed precious energy into your wires, without fuel deliveries or noxious fires. Components are costly but tax-breaks abound, it's cheap now to make your own power from ground. So call up your regional government rep – to most this one seems to be the hardest step – then measure an area fifteen by three, an open space made clear of trees and debris, then sit back and watch as your system's installed, tasting of freedom and glad that you'd called.
© americanifesto / 場黑麥
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