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جمعه, 21 تیر 1404 13:12 ارسال شده توسط JamesItams
Unity and BrightBuilt factory-built homes share an important feature: They are airtight, part of what makes them 60% more efficient than a standard home. GO Logic says its homes are even more efficient, requiring very little energy to keep cool or warm.
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“Everybody wants to be able to build a house that’s going to take less to heat and cool,” said Unity director Mark Hertzler.
Home efficiency has other indirect benefits. The insulation and airtightness – aided by heat pumps and air exchangers – helps manage the movement of heat, air and moisture, which keeps fresh air circulating and mold growth at bay, according to Hertzler.
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Buntel, a spring allergy sufferer, said his Somerville home’s air exchange has made a noticeable difference in the amount of pollen in the house. And customers have remarked on how quiet their homes are, due to their insulation.
“I’m from New England, so I’ve always lived in drafty, uncomfortable, older houses,” Buntel said. “This is really amazing to me, how consistent it is throughout the year.”
Some panelized home customers are choosing to build not just to reduce their carbon footprint, but because of the looming threat of a warming planet, and the stronger storms it brings.
Burton DeWilde, a Unity homeowner based in Vermont, wanted to build a home that could withstand increasing climate impacts like severe flooding.
“I think of myself as a preemptive climate refugee, which is maybe a loaded term, but I wasn’t willing to wait around for disaster to strike,” he told CNN.
Sustainability is one of Unity’s founding principles, and the company builds houses with the goal of being all-electric.
“We’re trying to eliminate fossil fuels and the need for fossil fuels,” Hertzler said.
Goodson may drill oil by day, but the only fossil fuel he uses at home is diesel to power the house battery if the sun doesn’t shine for days. Goodson estimated he burned just 30 gallons of diesel last winter – hundreds of gallons less than Maine homeowners who burn oil to stay warm.
“We have no power bill, no fuel bill, all the things that you would have in an on-grid house,” he said. “We pay for internet, and we pay property taxes, and that’s it.” -
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جمعه, 21 تیر 1404 13:09 ارسال شده توسط https://allblackshospitality.co.nz/
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جمعه, 21 تیر 1404 13:09 ارسال شده توسط парфюмерная вода
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جمعه, 21 تیر 1404 13:05 ارسال شده توسط JamesInvof
The bow of a US Navy cruiser damaged in a World War II battle in the Pacific has shone new light on one of the most remarkable stories in the service’s history.
More than 80 years ago, the crew of the USS New Orleans, having been hit by a Japanese torpedo and losing scores of sailors, performed hasty repairs with coconut logs, before a 1,800-mile voyage across the Pacific in reverse.
The front of the ship, or the bow, had sunk to the sea floor. But over the weekend, the Nautilus Live expedition from the Ocean Exploration Trust located it in 675 meters (2,214 feet) of water in Iron Bottom Sound in the Solomon Islands.
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Using remotely operated underwater vehicles, scientists and historians observed “details in the ship’s structure, painting, and anchor to positively identify the wreckage as New Orleans,” the expedition’s website said.
On November 30, 1942, New Orleans was struck on its portside bow during the Battle of Tassafaronga, off Guadalcanal island, according to an official Navy report of the incident.
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The torpedo’s explosion ignited ammunition in the New Orleans’ forward ammunition magazine, severing the first 20% of the 588-foot warship and killing more than 180 of its 900 crew members, records state.
The crew worked to close off bulkheads to prevent flooding in the rest of the ship, and it limped into the harbor on the island of Tulagi, where sailors went into the jungle to get repair supplies.
“Camouflaging their ship from air attack, the crew jury-rigged a bow of coconut logs,” a US Navy account states.
With that makeshift bow, the ship steamed – in reverse – some 1,800 miles across the Pacific to Australia for sturdier repairs, according to an account from the National World War II Museum in Louisiana.
Retired US Navy Capt. Carl Schuster described to CNN the remarkable skill involved in sailing a warship backwards for that extended distance.
“‘Difficult’ does not adequately describe the challenge,” Schuster said.
While a ship’s bow is designed to cut through waves, the stern is not, meaning wave action lifts and drops the stern with each trough, he said.
When the stern rises, rudders lose bite in the water, making steering more difficult, Schuster said.
And losing the front portion of the ship changes the ship’s center of maneuverability, or its “pivot point,” he said.
“That affects how the ship responds to sea and wind effects and changes the ship’s response to rudder and propellor actions,” he said.
The New Orleans’ officers would have had to learn – on the go – a whole new set of actions and commands to keep it stable and moving in the right direction, he said.
The ingenuity and adaptiveness that saved the New Orleans at the Battle of Tassafaronga enabled it to be a force later in the war. -
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جمعه, 21 تیر 1404 12:49 ارسال شده توسط https://mitramedia.co.id/
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جمعه, 21 تیر 1404 12:48 ارسال شده توسط Cliff
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