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Portal sobre ecología social, la relación entre Ambiente y Sociedad. Artículos de opinión, noticias de actualidad, Vida consciente, Alimentación.
- 277articles · 30d
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- Aug 15, 2026earliest in window
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News
Burning 165 gallons per mile across Florida flatland, the crawler transporter has hauled three entirely different rocket programs across six decades and no replacement has ever been ordered
2+ hour, 30+ min ago (708+ words) The gravel under it gets ground to powder. Not all at once. Surveyed and replenished, because each steel tread shoe weighs about a ton, and there are 456 of them. The machine covers four and a half miles of Florida flatland…...
Each of the 89 concrete boxes being cast beside a Danish harbor is 712 feet long and gets towed to sea by tugboats, while the box itself very nearly floats and is sunk on purpose with water pumped into it
3+ day, 6+ hour ago (786+ words) Weight is not what makes an object hard to move across water. Displacement is. A ship of 80,000 tons is moved by tugs every day of the week, and nobody finds it remarkable. So the interesting question about a tunnel section…...
A 461 foot rock installation ship built in Philadelphia carries 22,000 tons of stone in its hold, while an inclined pipe under the hull puts that stone on the seabed one load at a time
4+ day, 8+ hour ago (846+ words) Stand on the quay and the ship reads as a bulk carrier with something extra bolted through it. A steel tube runs down from a house on deck, through the hull, and out below the waterline at an angle, and…...
Eight jacking towers lifted a 6.8 million pound dragline clear of a Queensland mine floor and set it down on wheels, and the machine crossed 16.7 miles of pit in ten days instead of walking for a month
1+ week, 7+ hour ago (822+ words) A dragline this size has no wheels at all. It rests on a round steel tub, and it moves by lifting part of its own weight onto two shoes, shifting, and setting itself back down. One cycle covers a few…...
A 2,425 pound military ground robot was craned off a warship into the Atlantic and paddled ashore on its own eight tires, at a top water speed of about three miles an hour
2+ week, 8+ hour ago (782+ words) A machine built for mud has no business in the ocean. Wheels are the wrong shape for water, a hull full of batteries is the wrong thing to submerge, and the entire design problem of a land vehicle is traction…...