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Portal sobre ecología social, la relación entre Ambiente y Sociedad. Artículos de opinión, noticias de actualidad, Vida consciente, Alimentación.
- 269articles · 30d
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- Aug 14, 2026earliest in window
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- 385avg words
- Environment 206
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News
Blades pulled off a 250 megawatt Kansas wind farm are being cut into transmission poles instead of buried, but the test pole that was loaded to failure gave way at a steel weld rather than anywhere in the composite
7+ hour, 24+ min ago (789+ words) A wind blade and a power pole are the same structural problem wearing different clothes. Both are tall tapered cantilevers, fixed at one end, carrying loads pushed sideways along their length by wind. Both are sized by bending, not weight....
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
2+ day, 16+ 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…...
Walls barely 7 inches thick were all that held up 42 grain silo tubes in Cape Town, while the way to carve a museum out of them turned out to be adding concrete first rather than removing any
3+ day, 16+ hour ago (792+ words) Forty two concrete tubes packed side by side on the Cape Town waterfront, eighteen feet across and a hundred and eight feet tall. They held maize for most of a century. Then they held nothing. The walls are seven inches…...
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
3+ day, 18+ 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…...
A drone flew a pilot rope half a mile across a gorge near Yass and dropped 650 feet on the way, while the conductor that followed it weighed more than the aircraft could have lifted at all
5+ day, 2+ hour ago (798+ words) A transmission conductor is not a wire. It is a heavy cable, and across a span like this it weighs a couple of tons. No drone made is going to carry that. Which sounds like the end of the idea,…...
A 67 ton excavator dropped 15 feet through a parking garage deck on the second day of a Pennsylvania demolition, but the machine was out in a week and the site stood still for a month
4+ day, 18+ hour ago (37+ words) EcoPortal.net...
Alaska has about nine days until Arctic sea ice usually hits its yearly floor, stops shrinking, and begins building winter back from the edges
6+ day, 4+ hour ago (611+ words) Arctic sea ice is at a critical juncture as the annual melting season approaches its end and winter conditions begin returning to the region. Each year, the amount of sea ice reaches its lowest point, then begins growing again back…...
A 63 ton folding roof of 504 solar panels will hang on steel cables above an open sewage tank in Vienna, while the crane bridge and the scrapers underneath keep the full run of the water
6+ day, 3+ hour ago (845+ words) The tank is a rectangle of dark water with a steel bridge parked across it. The bridge runs the length of the basin on rails, dragging settled sludge one way and floating scum the other, and it has to reach…...
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
6+ day, 17+ 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…...
Off the Suffolk coast the last of 95 steel piles went into the seabed this summer and every single one had been cut to its own length, and the tallest weighs what 250 elephants weigh
6+ day, 22+ hour ago (811+ words) Forty three miles out from the English coast the North Sea floor is not one thing. It is sand in places, stiff clay in others, and the depth over it shifts across the site. So the 95 steel piles hammered into…...