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Josephchorp

22 Jan 2025 - 02:24 am

Scientists have identified an estimated 10% of all species on Earth. Here’s what they found in 2024
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A toothy toadstool. A vegetarian piranha with a distinctive mark. And a pygmy pipehorse floating in the Indian Ocean shallows.

These wild wonders were among the hundreds of previously unknown species of animals, plants and fungi that scientists named and described for the first time in 2024, expanding our surprisingly limited knowledge of Earth’s diversity.

“Scientists estimate that we’ve identified only one-tenth of all species on Earth,” said Dr.
Shannon Bennett, chief of science at the California Academy of Sciences, in a statement.

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“While it is critical to place protections on known threatened species, we must also allocate resources towards identifying unknown species that may be just as important to the functioning of an ecosystem,” Bennett said.

Researchers connected to the institution described 138 new species in 2024, including 32 fish. One standout was a pygmy pipehorse named Cylix nkosi. The seahorse relative was originally found in 2021 in the cool temperate waters surrounding the North Island of New Zealand, but the species described this year was discovered in the subtropical waters off South Africa, expanding the known range of this group to the Indian Ocean

“South African reefs present notoriously difficult diving conditions with rough weather and intense, choppy waves — we knew we only had one dive to find it,” underwater photographer and marine biologist Richard Smith said in a statement.
“This species is also quite cryptic, about the size of a golf tee, but luckily we spotted a female camouflaged against some sponges about a mile offshore on the sandy ocean floor.”

The researchers involved in describing the new species chose nkosi as its name. A reference to the local Zulu word for “chief,” the name reflects the species’ crown-like head shape and acknowledges South Africa’s KwaZulu-Natal province where it was found.

Barrymes

22 Jan 2025 - 02:00 am

Carrie Underwood slated to perform at Trump’s inauguration
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Country music star Carrie Underwood is slated to perform “America the Beautiful” at President-elect Donald Trump’s inauguration, according to a copy of the program obtained by CNN and confirmed by a spokesperson for the inaugural committee.

“I love our country and am honored to have been asked to sing at the Inauguration and to be a small part of this historic event,” Underwood said in a statement to CNN. “I am humbled to answer the call at a time when we must all come together in the spirit of unity and looking to the future.”

The presidential oath of office will be administered by Supreme Court Chief Justice John Roberts with Justice Brett Kavanaugh expected to administer the oath of office to Vice President-elect JD Vance.

Trump’s inauguration as the 47th president of the United States will take place on January 20 at the US Capitol.

Underwood is a big get for Trump’s inauguration, considering Hollywood’s Trump blackout over the course of his political career.

In his first term and throughout the past three elections, Trump has struggled to garner support from major Hollywood stars. At the Republican National Convention last year, the two biggest stars onstage with Trump were musician Kid Rock and retired WWE wrestler Hulk Hogan – a far cry from a superstar at the height of their career, like Underwood.

The Grammy-winning artist is as high-profile as you can get in country music, not only with numerous platinum hits, but also with public-facing, mainstream business associations. Underwood is the face of Sunday Night Football and is set to make her debut this March as a judge on ABC’s “American Idol” – the singing competition show that catapulted her to fame when she won in 2005.

While many NFL fans will likely applaud Underwood for singing at the inauguration, any time a celebrity aligns themselves with Trump, they run the risk of alienating left-leaning fans and Hollywood allies.

Underwood has kept her politics under wraps over the course of her career. In her statement, she did not mention Trump by name and kept her focus on unifying the country – still, Underwood’s decision to publicly align with Trump is a big statement for any star, particularly one as private as the singer.

Historically, Hollywood has always been closely associated with the Democratic Party, but country stars have always been an outlier, leaning more conservative. In recent years, as new singers join the genre, country music has gotten to be more progressive. This past election cycle, country stars like Mickey Guyton and Maren Morris stood with Vice President Kamala Harris.

Janicenus

21 Jan 2025 - 03:19 pm

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Zhedaznonra

20 Jan 2025 - 08:29 pm

Der Balanset-1A: Ein revolutionäres Gerät zur Rotorbalancierung



Die Rotorbalancierung ist ein entscheidender Prozess in der Maschinenbauindustrie, um die Effizienz und Lebensdauer von Maschinen zu gewährleisten. Der Balanset-1A von Vibromera ist ein innovatives, zweikanaliges Gerät, das für die Balancierung und Vibrationanalyse von Rotorn wie Ventilatoren, Zerkleinerern und Turbinen geeignet ist.



Besondere Merkmale des Balanset-1A





Vibrometer-Modus: Misst präzise die Drehzahl (U/min), den Phasenwinkel von Vibrationen und bietet detaillierte FFT-Spektren zur Analyse.

Balanciermodus: Möglichkeit zur Ein- und Zweiplanbalancierung, um Vibrationen zu reduzieren und eine dynamische Balance zu erreichen.

Visualisierung: Polargraphen helfen bei der genauen Platzierung von Gewichten zur Korrektur von Ungleichgewichten.

Toleranzrechner: Berechnet die akzeptable Balancetoleranz gemäß der Norm ISO 1940.





Der Prozess der Rotorbalancierung mit Balanset-1A



Die Balancierung eines Rotors mit dem Balanset-1A umfasst mehrere Schritte:



1. Vorbereitung der Ausrüstung

Beginnen Sie mit der Installation der Vibrationssensoren senkrecht zur Drehachse des Rotors. Der Laser-Tachometer sollte auf einer magnetischen Halterung montiert werden, um die reflektierende Folie am Riemen zu erfassen. Verbinden Sie die Sensoren mit dem Gerät und schließen Sie es über USB an einen Laptop an.



2. Erster Vibrationsmessung

Vor der eigentlichen Balancierung wiegen Sie das Testgewicht und notieren dessen Gewicht und den Installationsradius. Starten Sie den Rotor und messen Sie die anfängliche Vibration, um die Amplitude und Phase des Ungleichgewichts zu bestimmen.





3. Balancierung in der ersten Ebene

Platzieren Sie das Testgewicht in der ersten Balancebene und starten Sie den Rotor erneut. Eine Änderung der Amplitude oder Phase um mindestens 20 % zeigt an, dass das Ungleichgewicht teilweise korrigiert wurde.





4. Balancierung in der zweiten Ebene

Bewegen Sie das Testgewicht in die zweite Balanceebene und wiederholen Sie die Messung. Diese Daten helfen dem Programm, die genaue Position und das Gewicht der Korrekturgewichte zu berechnen.





5. Korrektur des Ungleichgewichts

Basierend auf den gesammelten Daten schlägt das Balanset-Programm die erforderlichen Korrekturgewichte und deren Installationswinkel vor. Entfernen Sie das Testgewicht und installieren Sie die Korrekturgewichte gemäß den Empfehlungen.







6. Überprüfung und Abschluss der Balancierung

Führen Sie einen abschließenden Testlauf des Rotors durch. Wenn die Vibration auf ein akzeptables Niveau gesenkt wurde, ist der Prozess abgeschlossen. Wenn weitere Anpassungen erforderlich sind, gibt das Programm Anweisungen zur weiteren Gewichtsplatzierung.



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Der Balanset-1A vereinfacht die Rotorbalancierung erheblich und ist ein unverzichtbares Werkzeug für die Maschinenbauindustrie. Mit einer Preisgestaltung von 1751 Euro bietet er eine umfassende Lösung für die präzise Analyse und Korrektur von Vibrationen in verschiedenen Anwendungen.



Für weitere Informationen und technische Details besuchen Sie die offizielle Website von Vibromera.

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Jamesnef

20 Jan 2025 - 07:31 pm

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Mathewtok

20 Jan 2025 - 03:31 pm

Introducing the Zircuit Token System
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Victormug

20 Jan 2025 - 01:28 am

Hamas is expected to release 33 hostages during the first phase of an emerging ceasefire agreement being finalized by negotiators in Doha, two Israeli officials said, the first positive sign in months that a truce in the Israel-Hamas war may be in sight.
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Officials have expressed cautious optimism that a deal could soon be announced to halt 15 months of fighting that has destabilized the Middle East and devastated Gaza, allow for more aid into the besieged Palestinian enclave, and ensure the return of dozens of hostages held by Hamas since its attack on Israel on October 7, 2023.

Hamas and its allies still hold 94 of the 251 hostages taken from Israel, including at least 34 of whom are dead, according to the Israeli government.
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Israel believes that most of the 33 hostages to be released in the first phase of the deal are alive, a senior Israeli official told reporters on Monday, but the bodies of dead captives will also likely be among those released. The first phase would take place over an initial 42-day ceasefire.

The senior Israeli official said the parties appear to be on the verge of an agreement and that Israel is prepared to immediately implement the deal once it has been inked.

US President Joe Biden expressed similar optimism in a speech Monday focused on foreign policy, saying the United States was “pressing hard to close this.”

“The deal we have structured would free the hostages, halt the fighting, provide security to Israel, and allow us to significantly surge humanitarian assistance to the Palestinians who suffered terribly in this war that Hamas started. They have been through hell,” Biden said

Danielgal

19 Jan 2025 - 02:53 pm

A year ago today, things went from bad to worse for Boeing
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At 5 p.m. PT on January 5, 2024, Boeing seemed like a company on the upswing. It didn’t last. Minutes later, a near-tragedy set off a full year of problems.

As Alaska Airlines flight 1282 climbed to 16,000 feet in its departure from Portland, Oregon, a door plug blew out near the rear of the plane, leaving a gaping hole in the fuselage. Phones and clothing were ripped away from passengers and sent hurtling into the night sky. Oxygen masks dropped, and the rush of air twisted seats next to the hole toward the opening.
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Fortunately, those were among the few empty seats on the flight, and the crew got the plane on the ground without any serious injuries. The incident could have been far worse — even a fatal crash.

Not much has gone right for Boeing ever since. The company has had one misstep after another, ranging from embarrassing to horrifying. And many of the problems are poised to extend into 2025 and perhaps beyond.

The problems were capped by another Boeing crash in South Korea that killed 179 people on December 29 in what was in the year’s worst aviation disaster. The cause of the crash of a 15-year old Boeing jet flown by Korean discount carrier Jeju Air is still under investigation, and it is quite possible that Boeing will not be found liable for anything that led to the tragedy.
But unlike the Jeju crash, most of the problems of the last 12 months have clearly been Boeing’s fault.

And 2024 was the sixth straight year of serious problems for the once proud, now embattled company, starting with the 20-month grounding of its best selling plane, the 737 Max, following two fatal crashes in late 2018 and early 2019, which killed 346 people.

Still the outlook for 2024 right before the Alaska Air incident had been somewhat promising. The company had just achieved the best sales month in its history in December 2023, capping its strongest sales year since 2018.

It was believed to be on the verge of getting Federal Aviation Administration approval for two new models, the 737 Max 7 and Max 10, with airline customers eager to take delivery. Approvals and deliveries of its next generation widebody, the 777X, were believed to be close behind. Its production rate had been climbing and there were hopes that it could be on the verge of returning to profitability for the first time since 2018.

Kevincidly

19 Jan 2025 - 12:07 pm

New Glenn’s first flight
Blue Origin formally announced the development of New Glenn — which aims to outpower SpaceX’s Falcon 9 rockets and haul spacecraft up to 45 metric tons (99,200 pounds) to orbit — in 2016.
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The vehicle is long overdue, as the company previously targeted 2020 for its first launch.

Delays, however, are common in the aerospace industry. And the debut flight of a new vehicle is almost always significantly behind schedule.

Rocket companies also typically take a conservative approach to the first liftoff, launching dummy payloads such as hunks of metal or, as was the case with SpaceX’s Falcon Heavy debut in 2018, an old cherry red sports car.
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Blue Origin has also branded itself as a company that aims to take a slow, diligent approach to rocket development that doesn’t “cut any corners,” according to Bezos, who founded Blue Origin and funds the company.

The company’s mascot is a tortoise, paying homage to “The Tortoise and the Hare” fable that made the “slow and steady wins the race” mantra a childhood staple.

“We believe slow is smooth and smooth is fast,” Bezos said in 2016. Those comments could be seen as an attempt to position Blue Origin as the anti-SpaceX, which is known to embrace speed and trial-and-error over slow, meticulous development processes.
But SpaceX has certainly won the race to orbit. The company’s first orbital rocket, the Falcon 1, made a successful launch in September 2008. The company has deployed hundreds of missions to orbit since then.

And while SpaceX routinely destroys rockets during test flights as it begins developing a new rocket, the company has a solid track record for operational missions. SpaceX’s Falcon 9 rocket, for example, has experienced two in-flight failures and one launchpad explosion but no catastrophic events during human missions.

Spencerwem

19 Jan 2025 - 12:00 pm

Chile’s President Boric leads journey to South Pole in historic trip
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Chile’s President Gabriel Boric travelled to Antarctica’s South Pole on Friday, a place where no other Latin American president has set foot, according to the Chilean government.

Boric led the historic two-day trip, named Operation Pole Star III, to extend the environmental monitoring of pollutants on Antarctica, Chile’s government said in a statement.

He travelled with scientists, armed forces commanders and government ministers from the Chilean capital of Santiago to Punta Arenas, a city in southern Chile, public broadcaster Television Nacional de Chile (TVN) reported. From there, they made several stops before finally reaching the US-run Amundsen-Scott South Pole Station, according to TVN.
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Chile is one of seven countries that has a territorial claim in Antarctica, alongside Argentina, Australia, France, New Zealand, Norway and the United Kingdom.

It is also a signatory of the Antarctic Treaty, which dictates that the continent may only be used for peaceful and scientific purposes.

While Chile has historically carried out scientific activity in Antarctica’s northern sector, the country’s government is now hoping to expand research into the west of the continent, its statement said.
Boric called his trip to the South Pole an “honor” and a source of pride, TVN reported.

“This is a milestone for us. It is the first time a Chilean and Latin American President has visited the South Pole,” he said, according to TVN.