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Portal sobre ecología social, la relación entre Ambiente y Sociedad. Artículos de opinión, noticias de actualidad, Vida consciente, Alimentación.
- 252articles · 30d
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- Aug 15, 2026earliest in window
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- 385avg words
- Environment 194
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News
Canada will let a new Bay of Fundy tidal farm grow one turbine at a time, then let the fish influence whether the next machine gets installed
22+ hour, 2+ min ago (609+ words) Canada’s Bay of Fundy lies in Nova Scotia’s Minas Passage. The region is notorious for producing the world’s highest tides. More than 100 billion tons of water are moved twice every day. Using this tidal energy to generate clean power has…...
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
1+ day, 2+ hour 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…...
Full size trucks and SUVs given thicker oil instead of a new 6.2 liter V8 under a recall are still turning up with failed engine bearings, and federal regulators have logged hundreds of post repair complaints
1+ day, 14+ hour ago (749+ words) Two pieces of metal sliding against each other inside an engine are never supposed to touch. That is the whole trick of a bearing, and it is not achieved with hardness or with clever surfaces. It is achieved with a…...
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
4+ day, 4+ 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
4+ day, 7+ 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…...
Dockworkers walked off 36 ports on the Atlantic and Gulf coasts for 3 days and shut container traffic down for the first time since the 1970s, but the contract that followed bans only the cranes that need nobody at all
4+ day, 8+ hour ago (791+ words) A container port is not a warehouse that happens to have cranes on it. It is a queue, and the queue only works while the front of it keeps moving. Stop the gantries and nothing simply pauses. Ships stay alongside,…...
Two shore cranes 302 feet tall were lashed to the deck of a 554 foot carrier bound from Germany to Thailand, but a Bay of Biscay storm put nearly all of both into the sea off Galicia
5+ day, 19+ hour ago (780+ words) A container crane is designed for one thing above all else. To stand on a quay, perfectly level, forever, with its whole weight pressing straight down through four legs into concrete. Every assumption in the steel follows from that. Then…...
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
6+ day, 6+ 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…...
Chardonnay under solar panels in southern France carried 60 percent more fruit than uncovered rows, and the same block a year earlier had managed only 10 percent
1+ week, 2+ day ago (807+ words) A grape is two clocks running at once. One puts sugar into the berry. The other burns acid out of it. In a cool season those clocks finish together and the wine is balanced. In a hot one the sugar…...
A 29 year old engineering student in Argentina worked iron filler into ordinary wall plaster, and the magnetic cement that came out is troweled on like any finishing coat and needs no drill afterward
1+ week, 6+ day ago (745+ words) There is a shovel hanging on a wall in Argentina. Blade up, handle down, flat against the plaster. No bracket. No hook. No screw. There is not even a hole behind it, and there never was. The only thing touching…...