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Portal sobre ecología social, la relación entre Ambiente y Sociedad. Artículos de opinión, noticias de actualidad, Vida consciente, Alimentación.
- 273articles · 30d
- 1+ hour agolatest article
- Aug 14, 2026earliest in window
- 92%with images
- 385avg words
- Environment 209
- Science & Nature 185
- Pets & Animals 70
- STEM 57
- Industrial 45
- Business & Industrial 38
- Transportation 27
- Disaster, Accident & Emergency Incident 25
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News
Steel arch spans weighing 5 million pounds each rode the Hudson River for 30 hours apiece, and crews then jacked all three of them 60 feet straight up over the Hackensack
5+ hour, 2+ min ago (867+ words) Three tugboats sat in the dark water at the Port of Coeymans, lines taut, waiting for the tide. Behind them on a heavy barge rode something that weighed five million pounds and stretched 400 feet from end to end. It was…...
Dried sea lettuce ground into powder and blended into cement at 5 percent of the mix by weight held construction grade strength while cutting the cement's global warming footprint by 21 percent
6+ hour, 2+ min ago (686+ words) The bowl of green powder on a lab bench in Seattle looked like something from a kitchen, not a construction site. It was sea lettuce, the same limp weed that drifts through cold Pacific Northwest shallows. A research team dried…...
A 12 month project in Laramie cooked the resin out of scrap turbine blade in vegetable oil and got back an oil that softens tired road asphalt, but the commercial agent it was measured against is vegetable oil too
20+ hour, 2+ min ago (784+ words) Old asphalt is not dry. That is the first thing to get wrong about it. A road binder starts out as a suspension, with hard sticky particles carried in a lighter oily fraction that keeps them apart. Sunlight and air…...
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, 22+ 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…...
Two gantry cranes going up over a dry dock in Dalian span 840 feet between their legs and hoist a load 328 feet into the air, which is a span no shipyard crane anywhere has matched
2+ day, 23+ hour ago (805+ words) A shipyard crane is not really limited by what it can lift. It is limited by how far apart its two feet can stand while it is still lifting that load. Widen the span and the girder between the legs…...
A 5,000 ton Art Deco terminal in New Jersey was cut into three pieces and rolled three quarters of a mile across a working airfield, and the dollies had to hold every lift point in step from the first foot to the last
3+ day, 8+ hour ago (647+ words) The runway lights were still burning when the order came to move. Beneath a flat New Jersey sky, about 200 rubber tire dollies sat packed under steel beams, each linked to a central hydraulic system. Above them, 5,000 tons of concrete, brick…...
Wind turbine blades usually end their lives buried in landfills, but a German manufacturer says its 63-foot wooden blades milled from laminated veneer lumber resist fatigue better and cost about 20 percent less to make
3+ day, 11+ hour ago (801+ words) A workshop floor, a gantry rail overhead, and a long pale shape lying under it that looks like furniture. It is spruce, glued up in layers, and a cutter is walking down its length taking off curls of shaving. What…...
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, 22+ 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
4+ day, 2+ min 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…...
Burnout scores fell across 141 volunteer organizations in a 6 country trial, while the four day week they tested came bundled with weeks of meeting cuts that nobody measured on its own
5+ day, 10+ hour ago (776+ words) Head in one hand, elbow on the desk, two monitors still running behind it. That is the state the trial set out to measure, and it is the one that moved. But the first thing that changed at these companies…...