Libro de Visitas

Jamesrot

13 Jul 2025 - 06:48 pm

A nuclear fusion power plant prototype is already being built outside Boston. How long until unlimited clean energy is real?
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In an unassuming industrial park 30 miles outside Boston, engineers are building a futuristic machine to replicate the energy of the stars. If all goes to plan, it could be the key to producing virtually unlimited, clean electricity in the United States in about a decade.

The donut-shaped machine Commonwealth Fusion Systems is assembling to generate this energy is simultaneously the hottest and coldest place in the entire solar system, according to the scientists who are building it.

It is inside that extreme environment in the so-called tokamak that they smash atoms together in 100-million-degree plasma. The nuclear fusion reaction is surrounded by a magnetic field more than 400,000 times more powerful than the Earth’s and chilled with cryogenic gases close to absolute zero.

The fusion reaction — forcing two atoms to merge — is what creates the energy of the sun. It is the exact opposite of what the world knows now as “nuclear power” — a fission reaction that splits atoms.

Nuclear fusion has far greater energy potential, with none of the safety concerns around radioactive waste.

SPARC is the tokamak Commonwealth says could forever change how the world gets its energy, generating 10 million times more than coal or natural gas while producing no planet-warming pollution. Fuel for fusion is abundant, derived from deuterium, found in seawater, and tritium extracted from lithium. And unlike nuclear fission, there is no atomic waste involved.

The biggest hurdle is building a machine powerful and precise enough to harness the molten, hard-to-tame plasma, while also overcoming the net-energy issue – getting more energy out than you put into it.
“Basically, what everybody expects is when we build the next machine, we expect it to be a net-energy machine,” said Andrew Holland, CEO of the Fusion Industry Association, a trade group representing fusion companies around the globe. “The question is, how fast can you build that machine?”

Commonwealth’s timeline is audacious: With over $2 billion raised in private capital, its goal is to build the world’s first fusion-fueled power plant by the early 2030s in Virginia.

“It’s like a race with the planet,” said Brandon Sorbom, Commonwealth’s chief science officer. Commonwealth is racing to find a solution for global warming, Sorbom said, but it’s also trying to keep up with new power-hungry technologies like artificial intelligence. “This factory here is a 24/7 factory,” he said. “We’re acutely aware of it every minute of every hour of every day.”

Curtisliasy

13 Jul 2025 - 06:35 pm

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Victorkax

13 Jul 2025 - 05:08 pm

Rescuers are hailing as a “four-legged hero” a furry Chihuahua whose pacing atop an Alpine rock helped a helicopter crew find its owner, who had fallen into a crevasse on a Swiss glacier nearby.
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The man, who was not identified, was exploring the Fee Glacier in southern Switzerland on Friday when he broke through a snow bridge and fell nearly 8 meters (about 26 feet), according to Air Zermatt, a rescue, training and transport company.

Equipped with a walkie-talkie, the man connected with a person nearby who relayed the accident to emergency services. But the exact location was unknown. After about a half-hour search, the pacing pooch caught the eye of a rescue team member.
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As the crew zeroed on the Chihuahua, the hole the man fell into became more visible. Rescuers rappelled down, rescued the man and flew him and his canine companion to a hospital.

“Imagine if the dog wasn’t there,” Air Zermatt spokesman Bruno Kalbermatten said by phone. “I have no idea what would happen to this guy. I think he wouldn’t survive this fall into the crevasse.”

On its website, the company was effusive: “The dog is a four-legged hero who may have saved his master’s life in a life-threatening situation.”

Davidhow

13 Jul 2025 - 05:06 pm

Extreme heat is a killer. A recent heat wave shows how much more deadly it’s becoming
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Extreme heat is a killer and its impact is becoming far, far deadlier as the human-caused climate crisis supercharges temperatures, according to a new study, which estimates global warming tripled the number of deaths in the recent European heat wave.

For more than a week, temperatures in many parts of Europe spiked above 100 degrees Fahrenheit. Tourist attractions closed, wildfires ripped through several countries, and people struggled to cope on a continent where air conditioning is rare.
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The outcome was deadly. Thousands of people are estimated to have lost their lives, according to a first-of-its-kind rapid analysis study published Wednesday.

A team of researchers, led by Imperial College London and the London School of Hygiene and Tropical Medicine, looked at 10 days of extreme heat between June 23 and July 2 across 12 European cities, including London, Paris, Athens, Madrid and Rome.

They used historical weather data to calculate how intense the heat would have been if humans had not burned fossil fuels and warmed the world by 1.3 degrees Celsius. They found climate change made Europe’s heat wave 1 to 4 degrees Celsius (1.8 to 7.2 Fahrenheit) hotter.

The scientists then used research on the relationship between heat and daily deaths to estimate how many people lost their lives.

They found approximately 2,300 people died during ten days of heat across the 12 cities, around 1,500 more than would have died in a world without climate change. In other words, global heating was responsible for 65% of the total death toll.

“The results show how relatively small increases in the hottest temperatures can trigger huge surges in death,” the study authors wrote.

Heat has a particularly pernicious impact on people with underlying health conditions, such as heart disease, diabetes and respiratory problems.

People over 65 years old were most affected, accounting for 88% of the excess deaths, according to the analysis. But heat can be deadly for anyone. Nearly 200 of the estimated deaths across the 12 cities were among those aged 20 to 65.

Climate change was responsible for the vast majority of heat deaths in some cities. In Madrid, it accounted for about 90% of estimated heat wave deaths, the analysis found.

Geraldveiny

13 Jul 2025 - 04:59 pm

More than 200 firefighters are struggling to tackle an out-of-control wildfire on Crete — Greece’s largest island and a tourist hotspot — as authorities order mass evacuations.
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The fire broke out Wednesday afternoon near Ierapetra, a town on the island’s southeast coast, amid unusually high temperatures, 3 to 5 degrees Celsius (5.4 to 9 Fahrenheit) above average, and gale-force winds of around 50 miles an hour.

The conditions are creating “new outbreaks, making firefighting work very difficult,” the Fire Department’s press spokesperson, Chief Vasilios Vathrakoyannis, said in a statement Thursday.
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More than 230 firefighters, along with 46 vehicles and 10 helicopters have been deployed to fight the blaze, according to fire officials.

The flames have spread rapidly, reaching homes as well as hotels and other tourist accommodations.

Authorities asked residents of four settlements to evacuate and move toward Ierapetra. About 1,500 people have been evacuated so far, according to the Greek public broadcaster ERT.

The Ierapetra municipality has converted an indoor training center facility into a makeshift camp, where hundreds of tourists and residents who abandoned their homes spent the night Wednesday.
The police, medical services and the coast guard have all been called to the area.

“We are entering the third and most difficult month of the fire season,” Vathrakoyannis said. July is typically the hottest month in Greece and is often accompanied by strong winds. “These conditions favor the spread of fires and increase their danger,” he said.
Wildfires have ripped through other European countries this week as the continent endures a brutal heat wave.

Tens of thousands were evacuated in Turkey as blazes ripped through the western Izmir and Manisa provinces and southern Hatay province, damaging nearly 200 homes.

Blazes also broke out in France and in Spain, where two people died.

Europe experiences wildfires every year, but they are becoming more intense and frequent due to human-caused climate change, which fuels heat and drought, both helping set the stage for fierce, destructive fires.

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13 Jul 2025 - 04:45 pm

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Georgegroon

13 Jul 2025 - 12:45 pm

Rescuers are hailing as a “four-legged hero” a furry Chihuahua whose pacing atop an Alpine rock helped a helicopter crew find its owner, who had fallen into a crevasse on a Swiss glacier nearby.
tripskan
The man, who was not identified, was exploring the Fee Glacier in southern Switzerland on Friday when he broke through a snow bridge and fell nearly 8 meters (about 26 feet), according to Air Zermatt, a rescue, training and transport company.

Equipped with a walkie-talkie, the man connected with a person nearby who relayed the accident to emergency services. But the exact location was unknown. After about a half-hour search, the pacing pooch caught the eye of a rescue team member.
https://tripscan.biz
трипскан сайт
As the crew zeroed on the Chihuahua, the hole the man fell into became more visible. Rescuers rappelled down, rescued the man and flew him and his canine companion to a hospital.

“Imagine if the dog wasn’t there,” Air Zermatt spokesman Bruno Kalbermatten said by phone. “I have no idea what would happen to this guy. I think he wouldn’t survive this fall into the crevasse.”

On its website, the company was effusive: “The dog is a four-legged hero who may have saved his master’s life in a life-threatening situation.”

Rafaelgom

13 Jul 2025 - 11:18 am

Santa Fe, New Mexico
AP — At least three people were missing in a mountain village in southern New Mexico that is a popular summer retreat after monsoon rains triggered flash flooding Tuesday that was so intense an entire house was swept downstream.
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Emergency crews carried out at least 85 swift water rescues in the Ruidoso area, including of people who were trapped in their homes and cars, said Danielle Silva of the New Mexico Department of Homeland Security and Emergency Management.

No deaths were immediately reported, but Silva said the extent of the destruction wouldn’t be known until the water recedes.
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“We knew that we were going to have floods … and this one hit us harder than what we were expecting,” Ruidoso Mayor Lynn D. Crawford said during a radio address Tuesday night.

Crawford said that some people were taken to the hospital, although the exact number was not immediately clear. He encouraged residents to call an emergency line if their loved ones or neighbors were missing.
The floods came just days after flash floods in Texas killed over 100 people and left more than 160 people missing.

In New Mexico, officials urged residents to seek higher ground Tuesday afternoon as the waters of the Rio Ruidoso rose nearly 19 feet in a matter of minutes amid heavy rainfall. The National Weather Service issued flood warnings in the area, which was stripped of vegetation by recent wildfires.

A weather service flood gauge and companion video camera showed churning waters of the Rio Ruidoso surge over the river’s banks into surrounding forest. Streets and bridges were closed in response.

Kaitlyn Carpenter, an artist in Ruidoso, was riding her motorcycle through town Tuesday afternoon when the storm started to pick up, and she sought shelter at the riverside Downshift Brewing Company with about 50 other people. She started to film debris rushing down the Rio Ruidoso when she spotted a house float by with a familiar turquoise door. It belonged to the family of one of her best friends.

Her friend’s family was not in the house and is safe, she said.

“I’ve been in that house and have memories in that house, so seeing it come down the river was just pretty heartbreaking,” Carpenter said. “I just couldn’t believe it.”

There were also reports of dead horses near the town’s horse racing track, the mayor said.

Two National Guard rescue teams and several local teams already were in the area when the flooding began, Silva said, and more Guard teams were expected.

The area has been especially vulnerable to flooding since the summer of 2024, when the South Fork and Salt fires raced across tinder-dry forest and destroyed an estimated 1,400 homes and structures. Residents were forced to flee a wall of flames, only to grapple with intense flooding later that summer.

Thomasles

13 Jul 2025 - 11:10 am

Job losses
But what about the impact of tariffs on job creation? Surprisingly, an increase in import taxes has been found to result in slightly more unemployment across countries.
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An example provided by Irwin at Dartmouth College points to one plausible explanation — and it has to do with the steeper cost of imported goods.

“A number of studies have shown, on net, we lost jobs from the (2018) steel tariffs rather than gained jobs because there are more people employed in the downstream user industries than in the steel industry itself,” he said.
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A study by the Federal Reserve Board found that a rise in input costs resulting from US tariff hikes in 2018-19 led to job losses in American manufacturing. The damage from those higher expenses was compounded by retaliatory taxes on US exports, more than offsetting a small boost to manufacturing employment from US tariffs — at least so far, the 2024 paper said.

Retaliation by other countries is indeed another danger of pulling the tariff lever. Higher tariffs on American exports would typically raise their prices for foreign consumers, hitting demand for the goods in many cases.

When Trump announced new tariffs this year, America’s major trading partners were quick to strike back with their own levies, although the US then agreed a temporary truce with China and the European Union.

Costs of free trade
While economists generally agree that free trade has benefited the global economy in recent decades, they acknowledge that it comes with certain costs.

One is the loss of jobs in communities that are particularly exposed to new competition from foreign manufacturers.

That is similar to the impact of technological progress on workers. “Manufacturing jobs as a share of the labor force have come down everywhere. It isn’t a US-specific story,” said Gimber at JPMorgan Asset Management, pointing to automation.

He drew a parallel between helping workers affected by higher imports and what is known as a just transition — the idea that the drastic changes needed to move toward a greener economy should be fair to everyone and minimize harm to workers and communities.

In both cases, providing workers in impacted industries with new skills or retraining them could be key, Gimber said.

Another potential cost of free trade is dependency on far-flung manufacturers. That took on new relevance during the pandemic, which snarled global supply chains, contributing to shortages of products such as face masks and respirators in the US and elsewhere.

However, economists do not typically see tariffs as a good way to build up domestic manufacturing, Fatas at INSEAD said, noting that subsidies for specific industries are viewed as a better tool “because they work more directly.”

But perhaps the strongest argument in favor of free trade is its importance to maintaining peace between nations.

As Gimber’s colleague David Kelly noted in March, closer trade relations give countries more to lose in any conflict.

Robertfaift

13 Jul 2025 - 10:31 am

‘Hire back park staff’: Visitors feel the pinch of Trump’s layoffs at National Park Service
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The visitors who trek to America’s national parks are already noticing the changes, just months after President Donald Trump took office.

“I’ve been visiting national parks for 30 years and never has the presence of rangers been so absent,” one visitor to Zion National Park wrote in National Park Service public feedback obtained by CNN.

The visitor said they saw just one trail crew at the iconic Utah park. There were no educational programs offered at any of the five parks they visited on their trip.
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“Hire back park staff. We need them,” the visitor wrote.

At Yosemite, another visitor said there were no rangers at the Hetch Hetchy reservoir entrance station, preventing visitors from picking up wilderness permits.

“More staff would be a BIG and IMPORTANT improvement,” that visitor wrote.
America’s most treasured national parks are getting crunched by Trump’s government-shrinking layoffs just as the summer travel season gets into full swing.
Top officials vowed to hire thousands of seasonal employees to pick up the slack after the Trump administration fired around 1,000 NPS employees as part of wide-ranging federal firings known as the “Valentine’s Day Massacre.” Department of Interior officials said in a February memo they would aim to hire 7,700 seasonal workers at NPS, and post listings for 9,000 jobs.

But those numbers haven’t materialized ahead July 4th — the parks’ busiest time of the year. Internal National Park Service data provided to CNN by the National Parks Conservation Association shows that about 4,500 seasonal and temporary staff have been hired.