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Why data is being stored in glass and holograms

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By Ben MorrisEditor, BBC Technology of Business

BBC  Ian Crawford, chief information officer, Imperial War MuseumBBC

Ian Crawford oversees the archiving of Imperial War Museum media

The year 2039 might seem like a long way off, but Ian Crawford is already planning for it.

It will mark the 100th anniversary of the outbreak of World War Two – a big year for his employer, the Imperial War Museum.

Mr Crawford is chief information officer at the museum, and oversees a project to digitise its huge collection of pictures, audio and film.

With a collection of around 24,000 hours of film and video, and 11 million photographs, it’s a vast task.

And in the run-up to 2039, World War II material will be a priority.

Making digital copies of those historical sources is vital as the original copies degrade over time, and will, one day, be lost forever.

“When you’ve got the only copy, you want confidence that your storage system is reliable,” says Ian Crawford.

The amount of data needed for such long-term storage is growing all the time, as the latest scanners can record documents and films in great detail.

“It’s potential to grow is enormous really,” says Mr Crawford.

“We’re now looking at objects themselves and scanning in 3D – that can generate very large files.”

Someone holding four LTO tapes. Three are in a rack.

Tapes like these are the most common way to hold data for long periods of time

This deluge of data is not just hitting museums – it’s pouring down everywhere.

Businesses are buying more space for back-up data, hospitals need somewhere to store records, government needs a place to stash increasing amounts of information.

“We are continuing to create insane amounts of data,” says Simon Robinson, principal analyst at research firm Enterprise Strategy Group.

“For most organisations – it varies a lot – their data volume is doubling every four to five years. And in some industries it is growing much faster than that,” he says.

Data that needs to be held for a long time is not stored in traditional data centres, those vast warehouses, with racks of servers and blinking lights. Those operations are designed for data that needs to be accessed and updated frequently.

Instead, the most popular way to keep data for the long-term is on tape. In particular a format known as LTO (Linear Tape Open), the latest version being called LTO-9.

The tapes themselves are not unlike old VHS tapes, but a bit smaller and more square.

Inside the cassette is a kilometre of magnetic tape, capable of storing 18 terabytes of data.

That’s a lot – just one tape can hold the same amount of data as almost 300 standard smartphones.

The Imperial War Museum in Duxford uses a tape system from Spectra Logic. The machine, around the size of a large wardrobe, can hold up to 1,500 LTO tapes.

Such LTO systems dominate the market for long-term storage. They have been around for decades, and have proved themselves to be reliable.

It’s also pretty cheap, which is important as generally customers want to pay as little as possible for long-term storage.

HoloMem A researcher at HoloMem working with lasersHoloMem

At HoloMem data is stored in holograms created in polymer by lasers

Nevertheless some are convinced it can be done better.

In a former wallpaper factory in Chiswick, west London, a start-up firm has been developing a long-term storage system that uses lasers to burn tiny holograms into a light-sensitive polymer.

Chief executive Charlie Gale points out that with magnetic tape, data can only be stored on the surface, whereas holograms can store data in multiple layers.

“You can do things called multiplexing, whereby you can layer multiple sets of information in one space. That’s really kind of the superpower of what we’re doing. And we believe we can put more information in less space than ever before,” he says.

HoloMem’s polymer blocks can handle extreme temperatures, without the data becoming corrupted – between -14C to 160C.

HoloMem Charlie Gale, HoloMem chief executiveHoloMem

Charlie Gale at HoloMem is confident his system can beat existing storage technology

By comparison, magnetic tape needs to be kept between 16C and 25C, which means significant heating and cooling costs, particularly in countries with extreme temperatures.

Tape also needs replacing after around 15 years, whereas the polymer is good for at least 50 years.

Mr Gale notes that, as the laser chemically changes the polymer, the data can’t be tampered with, once it has been written.

Holomem’s prototype system, which will be able to store and retrieve data, will be ready later this year.

Mr Gale says the cost of the system has been kept down by using standard, widely available components, including the laser – so, he’s confident that HoloMem will be able to match, or beat the costs of magnetic tape.

Microsoft Research Racks of glass data storage panels at Microsoft ResearchMicrosoft Research

A system developed by Microsoft Research stores data on glass panels

HoloMem will need to be competitive, as looming over the market is a formidable competitor.

Through its research arm, Microsoft is developing its own long-term data storage system.

Like HoloMem it has decided that it’s time to move on from magnetic tape, but Microsoft has chosen glass as it storage material.

Called Project Silica, the system uses powerful lasers to create tiny structural changes in the glass, called voxels that can be used to store data. The voxels are incredibly small and can be packed into layers.

Microsoft says that a 2mm thick piece of glass about the size of a DVD would be able to store more than seven terabytes of data.

The system stores the glass panes on racks, where they can be accessed by small crab-like robots that zip along rails.

Cheap and durable, glass is an attractive storage medium says Richard Black, who heads up Project Silica.

“It’s pretty much immune to temperature, humidity, particulates, electromagnetic fields,” says Mr Black.

It could potentially preserve data for hundreds and perhaps thousands of years.

Such a system could, one day, be integrated into Microsoft’s huge cloud computing business, Azure.

But that is some way off as the system has years of development ahead of it.

getty A restored Supermarine Spitfire Mark I aircraft (getty

IWM is testing whether AI can distinguish between Spitfire models

Back in Duxford, the Imperial War Museum, like many organisations, has been experimenting with artificial intelligence. They recently tested whether AI could identify different models of Spitfire in pictures from its image catalogue.

Mr Crawford thinks that AI could be incredibly useful in cataloguing its digital library, work that would take humans hundreds of years.

The ability of AI to trawl through vast amounts of data has made keeping that data even more important – there could be something valuable lurking there.

“In the past business was archiving data just in case they needed it. Now there’s an actual business reason why they might want to go back and do some analytics,” says Mr Robinson.



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India’s central bank fines Visa for unauthorised payment method By Reuters

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BENGALURU (Reuters) – The Reserve Bank of India imposed a penalty of 24.1 million rupees (nearly $288,000) on Visa (NYSE:) in relation to its usage of an unauthorised payment transfer method, the central bank said on Friday.

“It was observed that the entity (Visa) had implemented a payment authentication solution without regulatory clearance from RBI,” the central bank said in a statement, without providing details on the transgression.

In February, the RBI had ordered the credit card company to stop using an unauthorised route to make some commercial payments, per a Reuters report.

© Reuters. FILE PHOTO: Credit card is seen in front of displayed Visa logo in this illustration taken, July 15, 2021. REUTERS/Dado Ruvic/Illustration/File Photo

The central bank has aimed to tighten scrutiny of the processes followed by financial technology, or fintech, companies.

($1 = 83.6990 Indian rupees)





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Paris Olympics lift off with extravagant opening ceremony

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The Paris Olympics kicked off with an extravagant opening ceremony on Friday night when an armada of boats carried 10,500 athletes along the Seine — the first outdoor version of the spectacle that was expected to be watched by a billion people.

Earlier, a shadow was cast over the event by an act of criminal sabotage that hit France’s high-speed rail network in the early hours of the morning causing nationwide transport chaos. Heavy rain then began to fall about 30 minutes into the three-hour show, a nightmare scenario for the planners of the theatrical performance that featured a massive cast of dancers, two orchestras and a clutch of pop stars, including Lady Gaga doing a cabaret-tinged song.

Before the ceremony, interior minister Gérald Darmanin said: “We are ready for this magnificent event,” adding that no specific threats had been detected. The railway sabotage would “not have direct consequence on the Olympics or the ceremony”. 

Lady Gaga performs the opening number on the riverbank © Sina Schuldt/dpa

By mid-afternoon long queues had formed for ticket holders to get into the highly secured perimeter along the Seine river where 320,000 spectators were expected along the medieval-era cobblestone quays. The format of the event required heavy security: 45,000 police were deployed on the ground and in the air, using helicopters, drones and snipers positioned on roofs. 

The weather also tested the dozens of experienced ship captains powering the parade, who navigated at precisely the right speed to keep the show on line. Some spectators fled the quays for cover as rain poured down.

President Emmanuel Macron hosted more than 100 heads of state at Trocadero plaza across the river from the Eiffel tower where the athletes disembarked for a final parade and a performance by francophone favourite Céline Dion. Jill Biden, wife of the US president, and other leaders attended a reception at the Elysée palace beforehand. 

Map showing the route of the boat parade along the Seine river for the opening ceremony of the Paris Olympics

The idea for such an ambitious opening was the brainchild of one man, Thierry Reboul, an event specialist known for punchy marketing stunts, but pulling it off it needed more than 15,000 performers, technicians and firework specialists.

The performance featured ballet dancers on the roof of the Louvre, while hundreds of modern dancers and breakdancers performed along the quays and on some of the boats. Performers were clad in handmade outfits stitched by French couturiers, and LVMH’s Louis Vuitton trunk suitcases were prominently displayed in a lengthy segment. Bernard Arnault’s LVMH was an Olympics sponsor.

Organisers had to scale back some elements, such as BMX riders set to do tricks on a ramp because rain made it too slippery.

Floriane Issert, wearing the Flag of the International Olympic Committee (IOC), is seen on a Metal Horse on the River Seine during the opening ceremony © Getty Images

When Reboul pitched the idea for the river ceremony to Tony Estanguet, head of the Paris organising committee, the two-time gold medal winner reacted with stupor that quickly became enthusiasm. “It will be ambitious, audacious and totally crazy,” said Estanguet, recalling the moment. 

Reboul said the idea came to him on a walk along the Seine, the snaking river whose banks were chosen by a Gallic tribe called the Parisii to found a settlement about two thousands years ago. He told himself: “It should be here, of course it should be here, and nowhere else.”

The organisers hired Thomas Jolly, a 42-year-old theatre director known for a musical called Starmania, who started imagining how to convey the spirit of France from literature and culture to history. “I’m used to designing performances on a stage, and this time the entire city was my canvas,” he told reporters earlier this week. 

Zinedine Zidane, former French football player and manager, hands the Olympic Torch to Spanish tennis player Rafael Nadal © Getty Images

Jolly hired a team he has long worked with — a musical director, choreographer and a costume designer, all renowned in their fields — and also included author Leila Slimani, scriptwriter Fanny Herrero, who created the show Call My Agent!, and others to help him write the 12 tableaux that make up the ceremony.

Before they started writing, they took long walks along the Seine for inspiration and researched the history of its bridges, such as the oldest, Pont Neuf, finished under King Henry IV in 1607, and the Pont d’Austerlitz, commissioned by Napoleon Bonaparte, from which the parade will begin.

“We drew on the past of each site and monuments: almost each stone tells something about our history of France, of the history of Paris, a history which is connected to the world,” he said. 

But Jolly and Estanguet did not want the theatrics to overshadow the athletes, instead putting them at the centre of it by giving them the best spots to view the show — the decks of the boats on the river. 

“The athletes are the heroes of the show,” said Estanguet.

Although officials remained vague about the price, French media reported that the ceremony cost about €120mn, roughly four times that of the opener of the London 2012 Games. The overall cost for the Paris Games, which was pitched as a greener edition because little new infrastructure was built, is expected to reach €9-10bn, according to the national auditor. About one-third of that will be paid for by sponsors.

Jolly’s show was filled with memorable, kitschy moments: a hooded figure leaping across the zinc roofs of Paris, drag queens dancing to electro, beheaded royals of the French revolution set against heavy metal music, and a silver horse with an armour-clad rider gliding down the Seine.

Céline Dion closes the show with Edith Piaf’s ‘Hymne à l’amour’ © POOL/Olympic Broadcasting Services/AFP via Getty Images

Cheers rose when France’s beloved footballer Zinedine Zidane passed the torch to tennis champion Rafel Nadal.

The spectacle climaxed with an elaborate light show beaming out from the Tour Eiffel before a final flame relay to the Louvre led to a hot air balloon ascending into the night sky bearing a fiery Olympic cauldron.

Framed by the Eiffel tower, Canadian singer Céline Dion, in her first performance in years because of illness and wearing a white, beaded dress featuring 500m of fringe custom made by Dior, belted out Edith Piaf’s Hymne à l’amour.

“I declare the Paris games open,” said Macron.

Additional reporting by Adrienne Klasa



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How to watch, stream the Opening Ceremonies of the Paris Olympics live online free without cable

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On the heels of low ratings for the coronavirus pandemic-marred Tokyo and Beijing OlympicsParis may not do much better among U.S. viewers, a poll from Gallup released Thursday found.

Simone Biles and women’s gymnastics are poised to be a bright spot, with those surveyed selecting it as their most anticipated sport.

But according to the poll, 30% of respondents said they will not watch any of the Games, 34% said they will not watch much and 35% said they would watch at least a fair amount. That last figure is down from the 48% measured before the 2016 Olympics in Rio de Janeiro. Gallup did not measure viewing intentions for the Tokyo Olympics, which were delayed a year.

NBC’s prime-time coverage of the Tokyo Olympics mostly drew about half the audience of its Summer Games predecessor. The Beijing Olympics had the lowest-ever U.S. audience for a Winter Games. Both Games were held under severe restrictions, limiting spectators and dampening the typical fanfare. NBC, which holds the U.S. broadcasting rights through 2032, is trying to turn around that trend by enlisting a slew of entertainers and non-Olympian athletes in its coverage.

The last three Olympics, including the 2018 Pyeongchang Games, were held in time zones that limited how much live action NBC could air in prime time.

The network did not immediately respond to The Associated Press’ request for comment on the poll. Biles and the rest of the U.S. gymnastics squad could bring in high ratings, though, with Gallup finding in general that women’s sports were as anticipated as men’s. Forty-two percent chose women’s gymnastics as their most anticipated sport, while around two-thirds of respondents ranked it in their top three. That competition begins with qualifying on Sunday.

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