Connect with us

Published

on

Physicists have discovered a strange twist of space-time that can mimic black holes — until you get too close. Known as “topological solitons,” these theoretical kinks in the fabric of space-time could lurk all around the universe – and finding them could push forward our understanding of quantum physics, according to a new study published April 25 in the journal Physical Review D (opens in new tab) .

Black holes are perhaps the most frustrating object ever discovered in science. Einstein’s general theory of relativity predicts their existence, and astronomers know how they form: All it takes is for a massive star to collapse under its own weight. With no other force available to resist it, gravity just keeps pulling in until all the star’s material is compressed into an infinitely tiny point, known as a singularity. Surrounding that singularity is an event horizon, an invisible boundary that marks the edge of the black hole. Whatever crosses the event horizon can never get out.

But the main problem with this is that points of infinite density can’t really exist. So while general relativity predicts the existence of black holes, and we have found many astronomical objects that behave exactly as Einstein’s theory predicts, we know that we still don’t have the full picture. We know that the singularity must be replaced by something more reasonable, but we don’t know what that something is.

Related: Are black holes wormholes?

Figuring that out requires an understanding of extremely strong gravity at extremely small scales — something called quantum gravity. To date, we have no viable quantum theory of gravity, but we do have several candidates. One of those candidates is string theory, a model that suggests all the particles that make up our universe are really made of tiny, vibrating strings.

To explain the wide variety of particles inhabiting our universe, those strings can’t just vibrate in the usual three spatial dimensions. String theory predicts the existence of extra dimensions, all curled up on themselves at some unfathomably small scale — so small that we can’t tell those dimensions are there.

And that act of curling up extra spatial dimensions at incredibly tiny scales can lead to very interesting objects.

In the new study, researchers proposed that these compact extra dimensions can give rise to defects. Like a wrinkle that you just can’t get out of your shirt no matter how much you iron it, these defects would be stable, permanent imperfections in the structure of space-time — a topological soliton. The physicists suggested that these solitons would largely look, act and probably smell like black holes.related stories—1st image of our galaxy’s ‘black hole heart’ unveiled

—Black holes may be swallowing invisible matter that slows the movement of stars

—What’s the biggest black hole in the universe?

The researchers studied how rays of light would behave when passing near one of these solitons. They found that the solitons would affect the light in almost the same way as a black hole would. Light would bend around the solitons and form stable orbital rings, and the solitons would cast shadows. In other words, the famous images from the Event Horizon Telescope, which zoomed in on the black hole M87* in 2019, would look almost exactly the same if it were solitons in the center of the image, rather than a black hole.

But up close the mimicry would end. Topological solitons are not singularities, so they do not have event horizons. You could get as close as you wanted to a soliton, and you could always leave if you wanted to (assuming you packed enough fuel).

Unfortunately we have no black holes close enough to dig around in, and so we can only rely on observations of distant objects. If any topological solitons are ever discovered, the revelation wouldn’t just be a major insight into the nature of gravity, but it would enable us to directly study the nature of quantum gravity and string theory as well. 

Continue Reading

Entertainment

Singer Marianne Faithfull dies at the age of 78

Published

on

By

Singer Marianne Faithfull dies at the age of 78

Singer and actress Marianne Faithfull has died at the age of 78.

A spokesperson for her music promotion company Republic Media said: “It is with deep sadness that we announce the death of the singer, songwriter and actress Marianne Faithfull.

“Marianne passed away peacefully in London today, in the company of her loving family.

“She will be dearly missed.”

Marianne Faithfull in 1995. Pic: Reuters
Image:
Faithfull in 1995. Pic: Reuters

Faithfull was best known for her 1964 hit As Tears Go By, written by Sir Mick Jagger, with whom she had a well-publicised relationship, and fellow Rolling Stones star Keith Richards.

She also starred in films including The Girl On A Motorcycle and 2007’s Irina Palm, for which she was nominated for a European Film Award for Best Actress.

In recent years, she provided voice work for the 2021 remake of Dune and 2023’s Wild Summon.

Set
5881603

Image
5881603a

Photographer
Mid-Atlantic/Ares/Claridge/Kobal/Shutterstock

The Girl On A Motorcycle - 1968
Marianne Faithfull

1968
Categories
Film Stills, Personality, Entertainment

Keywords
MOTORBIKE JACK CARDIFF
Image:
Faithfull in The Girl On A Motorcycle. Pic: Mid-Atlantic/Ares/Claridge/Kobal/Shutterstock

She and Sir Mick began seeing each other in 1966 and became one of the most glamorous couples of Swinging London.

He paid tribute to his “wonderful friend and beautiful singer and a great actress”, and said he was “so saddened” by her death, as “she was so much part of my life for so long”.

Next to a picture of the pair arm in arm on Instagram, Sir Mick said Faithfull “will always be remembered”.

His Stones bandmates Ronnie Wood and Keith Richards also paid tribute, with Richards posting on Instagram that he was “so sad and will miss her.”

His post was accompanied by a picture of the pair enjoying a drink together.

Wood wrote on Jagger’s post: “Farewell dear Marianne.”

Born in 1946, Faithfull started her singing career in 1964 after being discovered by the Stones’ manager Andrew Loog Oldham.

Her self-titled debut album was released a year later, with As Tears Go By reaching number nine on the UK singles chart.

She went on to have a string of successful singles, including Come And Stay With Me, This Little Bird, and Summer Nights, and famously dated Sir Mick from 1966 to 1970.

Faithfull was prolific throughout the 60s, releasing six albums – some only in the UK and some for the US – as well as contributing backing vocals to the Beatles’ Yellow Submarine and inspiring the Stones’ Sympathy For The Devil.

That decade also saw her star in films like 1967’s I’ll Never Forget What’s’isname – where she was one of the first people to say f*** in a mainstream studio film – 1968’s The Girl On A Motorcycle, and Tony Richardson’s 1969 adaptation of Hamlet.

Her affair with Sir Mick was notorious, with the couple being arrested in 1968 for possession of cannabis.

She was also infamously found by police wearing only a bear skin rug when they arrived for a drugs raid at Richards’ home in 1967.

Photographer
Shutterstock

VARIOUS
MICK JAGGER AND MARIANNE FAITHFULL BOARD A TRAIN AT EUSTON FOR BANGOR. THEY WILL MEET UP WITH THE BEATLES AND THE MAHARISHI MAHESH YOGI - 26.AUG 1967

Aug 1967
Image:
Faithfull and Mick Jagger dated from 1966 to 1970. Pic: Shutterstock

After breaking up with the Stones frontman, Faithfull spent two years homeless in Soho while suffering from anorexia and heroin addiction, before she started living in a squat.

She wrote in her 1994 autobiography: “For me, being a junkie was an admirable life. It was total anonymity, something I hadn’t known since I was 17.

“As a street addict in London, I finally found it. I had no telephone, no address.”

Read more from Sky News:
Badenoch disavows comments from Priti Patel
Harvey Weinstein begs judge for earlier retrial

In 1979, following success in Ireland with the country-themed Dreamin’ My Dreams, Faithfull released the Grammy-nominated Broken English – widely considered her best album.

She later achieved critical acclaim as a jazz and blues singer with 1987’s Strange Weather and went to rehab that same decade.

Photographer
Jean-Christophe Bott/EPA/Shutterstock

Switzerland Music - Jul 2009
British Singer and Actress Marianne Faithfull Performs on the Miles Davis Hall Stage at the 43rd Montreux Jazz Festival in Montreux Switzerland Late 13 July 2009 the Festival Runs Until 18 July Switzerland Schweiz Suisse Montreux

14 Jul 2009
Image:
Faithfull performing in Montreux, Switzerland, in 2009. Pic: Jean-Christophe Bott/EPA/Shutterstock

Faithfull released a total of 21 solo albums throughout her career. Her most recent was the spoken word album She Walks In Beauty from 2021, which saw her work with frequent Nick Cave collaborator Warren Ellis.

She made a full recovery from breast cancer in 2006.

Continue Reading

World

Trump links drive for air traffic controllers with ‘intellectual disabilities’ to Washington plane crash

Published

on

By

Trump links drive for air traffic controllers with 'intellectual disabilities' to Washington plane crash

Donald Trump has linked a diversity drive at the Federal Aviation Administration (FAA) under previous governments to a deadly plane crash in Washington DC.

Sixty-seven people were killed when an American Airlines jet and a military helicopter collided mid-air on Wednesday night.

Speaking at the White House, the new US president suggested the diversity efforts had made air travel less safe.

He said: “We do not know what led to this crash, but we have some very strong opinions and ideas.”

Emergency personnel at the site of the crash. Pic: Reuters
Image:
Emergency personnel at the site of the crash. Pic: Reuters

Read the latest on the crash in Washington

Later Sky’s US partner NBC news said staffing at Reagan Washington National Airport, where air traffic controllers were guiding the flights, was “not normal”, according to an initial FAA report.

The tower normally has a controller who focuses specifically on helicopter traffic.

More on Washington Crash

But at the time of Wednesday night’s crash, a source said, one controller at DCA was overseeing both plane and helicopter activity.

FAA guidelines do allow for this position to be combined.

At his briefing Mr Trump blamed his predecessor, former president Joe Biden, for lowering standards for air traffic controllers.

“We have to have our smartest people,” he said. “They have to be naturally talented geniuses.”

He added: “The FAA is actively recruiting workers who suffer severe intellectual disabilities, psychiatric problems, and other mental and physical conditions under a diversity and inclusion hiring initiative spelled out on the agency’s website.”

Mr Trump criticised Mr Biden and another Democrat former president Barack Obama for putting “policy over safety” when it came to US aviation.

Please use Chrome browser for a more accessible video player

CCTV captures moment of mid-air collision

Please use Chrome browser for a more accessible video player

Audio captured moments after the crash

“I changed the Obama standards from very mediocre at best to extraordinary,” Mr Trump said.

He said that after being sworn in last week, he signed an executive order which “restored the highest standards of air traffic controllers”.

Read more:
Washington DC plane crash: What we know so far
Air traffic control heard diverting planes moments after collision

Please use Chrome browser for a more accessible video player

‘We look at the human, the machine, the environment’

Mr Trump also said: “When I left office and Biden took over he changed them [standards for those who work in aviation system] back to lower than ever before, I put safety first, Obama, Biden and the Democrats put policy first, they put politics at a level that nobody’s ever seen because this was the lowest level.”

At a later briefing he was asked if gender or race played a role. He answered: “It may have, I don’t know. Incompetence may have played a role.”

Authorities have said the rescue operation for passengers on board the jet and the Black Hawk helicopter shifted to a recovery one as they believe there are no survivors.

Profound sense of loss in Wichita – the ‘air capital of the world’

In two news conferences on Thursday morning, the pain and bewilderment were both palpable.

At the Washington airport where the American Eagle jet was due to land, officials were forced to say what no air crash investigator wants to – that rescue had turned to recovery.

There was a sense of bewilderment over how this could have happened, a pledge to find out what went wrong and most importantly to recover the bodies of all those who died.

Read more here

A total of 28 bodies, including 27 from the jet and one from the helicopter, have been recovered from the Potomac river.

“This was a dark and excruciating night in our nation’s capital and in our nation’s history and a tragedy of terrible proportions as one nation, we grieve for every precious soul that has been taken from us so suddenly,” Mr Trump said.

The American Airlines jet was carrying 60 passengers and four crew when it crashed with the military helicopter, carrying three soldiers, shortly before 9pm local time on Wednesday.

Flight 5342 was preparing to land on runway 33 at the Ronald Reagan Washington National Airport when it collided with the helicopter.

The crash is the country’s worst civil aviation disaster since 2009.

Mr Trump also said “the people in the helicopter should have seen where they were going” and that the crash involved a “confluence of bad decisions”.

The Pentagon and US army are investigating the crash, US defense secretary Pete Hegseth said on X.

Continue Reading

UK

Bishop of Liverpool retires amid misconduct allegations as female bishop identifies herself as one of his accusers

Published

on

By

Bishop of Liverpool retires amid misconduct allegations as female bishop identifies herself as one of his accusers

The Bishop of Liverpool has announced his retirement days after facing allegations of misconduct from two women, including another bishop.

One woman said the Right Reverend Dr John Perumbalath kissed her without consent and groped her on separate occasions between 2019 and 2023, while the second, a female bishop, accused him of sexual harassment in 2023.

The Rt Revd Beverley Mason, the Bishop of Warrington, later named herself as a second complainant in a statement.

“A bishop cannot be above the law. A bishop cannot be dealt differently from a priest.

“If anything, a bishop must be held to greater scrutiny. This is a biblical imperative,” she said.

Bishop Perumbalath, 58, has vehemently denied the allegations – and in his retirement letter, published online on Thursday, he reiterated his denial.

The letter, shared by the Diocese of Liverpool, read: “Having sought the permission of His Majesty the King, I have today taken the decision to retire from active ministry in the Church of England.”

More on Church Of England

Addressing the accusations, he continued: “Since those allegations were made I have consistently maintained that I have not done anything wrong and continue to do so.

“I do not wish this story to become a distraction for this incredible diocese and its people whom it has been an honour and joy to serve,” the bishop says in his letter.

“This is not a resignation occasioned by fault or by any admission of liability.”

The exact date for when the bishop’s role will formally end is yet to be decided, but he is stepping back from ministering and leading the diocese as of Thursday.

The letter continued: “I have taken this decision for my own well-being, my family and the best interests of the Diocese.

“I have informed the Archbishop of York of my decision and I understand he will put in place the necessary arrangements for episcopal oversight of the diocese for the remainder of my time here and during the vacancy.”

The Right Reverend Dr John Perumbalath
Image:
Bishop Perumbalath has insisted his retirement is not an admission of guilt

The Archbishop of York Stephen Cottrell – who has faced calls to resign over separate safeguarding failures – said: “I respect his decision and thank him for his ministry.”

“My thoughts and prayers continue to be with all those who have been affected by this situation,” he continued. “I am committed to ensuring stability during this time of transition and will be putting the necessary arrangements in place to provide episcopal oversight for the diocese.”

An acting bishop will be announced in the coming days.

The Archbishop of York, Stephen Cottrell, delivers his Christmas speech.
Image:
The Archbishop of York (pictured) has welcomed the decision – which comes at a tumultuous time for the Church of England

The diocese – which on Wednesday pressured the bishop to step aside – said in a statement: “We acknowledge his decision in taking this step for the good of the Diocese of Liverpool.

“This is a deeply painful situation, and we hold all concerned in our prayers.”

The misconduct allegations were reported by Channel 4 earlier this week but first made to the Church of England in 2023.

The Church said the female bishop’s complaint “was looked into according to statutory safeguarding guidance… and an independent risk assessment undertaken”.

“This process concluded that there were no ongoing safeguarding concerns, but a learning outcome was identified with which the bishop fully engaged.”

More UK news:
EuroMillions players urged to check tickets
Water bills to rise in England and Wales

A “further disclosure was made by another woman” shortly after, the Church said. This was “assessed not to be a safeguarding matter but a matter of alleged misconduct,” it added.

The Bishop of Warrington, later confirmed in a statement that she is the second complainant.

She said she was advised of a complaint against the Bishop of Liverpool in March 2023, and “raised what I believe were significant concerns, which included my own disclosure”.

She added that “we as a church have not properly and satisfactorily addressed concerns that have been raised,” and hopes that after her disclosure, “there will be no more defensiveness but an honest scrutiny of what we are doing, how we are doing it, where the gaps sit and how we address them”.

Bishop Perumbalath’s resignation comes at a tumultuous time for the Church of England, which has recently seen Justin Welby quit as Archbishop of Canterbury over the handling of another case.

Continue Reading

Trending