On the surface, the idea promises a utopian, carbon-free mode of transportation, with citizens gliding seamlessly to their destinations. However, in addition to the exorbitant cost from tax dollars, the reality reveals a staggering irony. The conveyor system’s construction requires enormous amounts of steel, concrete, and rare-earth metals, resulting in…
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Illuminated Plumbob
Although just a simple shape that lights up on command, the plumbob actually has some rather complex technology behind it. The model itself was created in a 3-d CAD (computer-aided design) program and then exported as a -.stl file that a 3-d printer could recognize. . .