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Linkoping [Sweden], December 8 (ANI): "Our results have no clear or direct application right now. It's basic research that lays the foundation for future technologies in quantum information and quantum computers. There's enormous potential for complete discoveries in many different research fields," said Guilherme B Xavier, a researcher in quantum communication at Linkoping University, Sweden. However, we must begin at the beginning in order to comprehend what the researchers have demonstrated. Also Read | Apple May Launch Next iPad Pro With M5 Chipset in 2025; Know What To Expect. One of the most irrational--yet essential--features of quantum mechanics is that light may be both particles and waves. We refer to this as wave-particle duality. The theory dates back to the 17th century when Isaac Newton suggested that light is composed of particles. Other contemporary scholars believed that light consists of waves. Newton finally suggested that it might be both, without being able to prove it. In the 19th century, several physicists in various experiments showed that light actually consists of waves. Also Read | Chennai Shocker: College Student with Mental Health Issues Allegedly Raped by 10 Men Over 10 Months; 2, Including Minor, Arrested. But around the early 1900s, both Max Planck and Albert Einstein challenged the theory that light is just waves. However, it was not until the 1920s that physicist Arthur Compton could show that light also had kinetic energy, a classical particle property. The particles were named photons. Thus, it was concluded that light can be both particles and waves, exactly as Newton suggested. Electrons and other elementary particles also exhibit this wave-particle duality. But it is not possible to measure the same photon in the form of a wave and a particle. Depending on how the measurement of the photon is carried out, either waves or particles are visible. This is known as the complementarity principle and was developed by Niels Bohr in the mid 1920s. It states that no matter what one decides to measure, the combination of wave and particle characteristics must be constant. In 2014, a research team from Singapore demonstrated mathematically a direct connection between the complementarity principle and the degree of unknown information in a quantum system, the so-called entropic uncertainty. This connection means that no matter what combination of wave or particle characteristic of a quantum system is looked at, the amount of unknown information is a least one bit of information, i.e. the unmeasurable wave or particle. Researchers from Linkoping University together with colleagues from Poland and Chile have now succeeded in confirming the Singapore researchers' theory in reality with the help of a new type of experiment. "From our perspective, it's a very direct way to show basic quantum mechanical behaviour. It's a typical example of quantum physics where we can see the results, but we cannot visualise what is going on inside the experiment. And yet it can be used for practical applications. It's very fascinating and almost borders on philosophy," added Guilherme B Xavier. In their new experiment set-up, the Linkoping researchers used photons moving forward in a circular motion, called orbital angular momentum, unlike the more common oscillating motion, which is up and down. The choice of orbital angular momentum allows for future practical applications of the experiment, because it can contain more information. The measurements are made in an instrument commonly used in research, called an interferometer, where the photons are shot at a crystal (beam splitter) that splits the path of the photons into two new paths, which are then reflected so as to cross each other onto a second beam splitter and then measured as either particles or waves depending on the state of this second device. One of the things that makes this experiment set-up special is that the second beam splitter can be partially inserted by the researchers into the path of the light. This makes it possible to measure light as waves, or particles, or a combination of them in the same set-up. According to the researchers, the findings could have many future applications in quantum communication, metrology, and cryptography. But there is also much more to explore at a basic level. "In our next experiment, we want to observe the behaviour of the photon if we change the setting of the second crystal right before the photon reaches it. It would show that we can use this experimental set-up in communication to securely distribute encryption keys, which is very exciting" shared Daniel Spegel-Lexne, PhD student in the Department of Electrical Engineering. (ANI) (This is an unedited and auto-generated story from Syndicated News feed, LatestLY Staff may not have modified or edited the content body)A SUPERMARKET giant is set to rival Aldi after slashing the price of 222 products at its smaller convenience stores across the UK. This comes after research showed customers are currently paying 10% more on average for the same item in smaller convenience-style shops than in main supermarkets . Tesco made the major discount announcement to help reduce prices at its Express stores. It confirmed that it has extended its Aldi -price match scheme to its local outlets. Tesco CEO Kevin Murphy said: "[The] round of price cuts on more than 200 lines in our Express stores underlines our commitment to offering great value to Tesco customers. "Whether you are picking up coffee and milk for the office or a loaf of bread and a tin of soup on the way home, our Express stores offer both convenience and great value." Read More on Supermarkets This comes as research from Which? also showed how shopping at a convenience store versus a large supermarket can be incredibly costly. It found that shoppers using local branches could be paying up to 20% more than at larger stores. This decision could cost you a whopping £800 extra on your food costs each year. The research compared the cost of 42 grocery items at convenience chains Morrisons Daily, Sainsbury's Local and Tesco Express against prices at their full-size supermarkets. Most read in Money It found the biggest price difference was at Morrisons Daily, where shoppers paid 21 per cent more on average. While Sainsbury's and Tesco had less variation in prices, Nectar members could still be paying an average of 14 per cent more at Sainsbury's Local. It also concluded that Tesco Clubcard holders could be charged 11 per cent more at Tesco Express. For example, despite offering a Clubcard discount, a pack of six Mr Kipling Bakewell Slices had a significant discount in price. Costing £2.32 on average at a Tesco Express, it was costing shoppers at a large Tesco just £1.50, a shocking 54 per cent difference. Even basics such as bread were more costly at local stores than main ones. A medium white Hovis loaf cost 12% more at both Sainsbury's Local and Tesco Express. Morrisons Daily was an even worse offender, having a 14% uptick in price. SAVING on your shop can make a big difference to your wallet. Here are some tips from comparison site Money.co.uk about how you can cut the cost of your shopping bills: Write yourself a list – Only buy items that you need. If it isn’t on your list, don’t put it in the trolley Create a budget – Work out a weekly budget for your food shopping Never shop hungry – you are far more likely to buy more food if your tummy is rumbling Don’t buy pre-chopped veggies or fruit – The extra they’ll charge for chopping can be eye watering Use social media – follow your favourite retailers to find out about the latest deals Be disloyal – You may want to go to different stores to find the best bargains Check the small print – It’s always worth checking the price per kg/lb/litre when comparing offers so you’re making a like for like decision as a bigger box won’t necessarily mean you get more Use your loyalty cards – Don’t be afraid to sign up to them all. They all work slightly differently – work out what bonus suits you better and remember to trade in your points for additional rewardsA Macy’s employee hid $132 million to $154 million in company expenses over nearly three years, the company announced Monday. The secret fraud forced the company to delay its full third quarter earnings report , which was scheduled for Tuesday. Macy’s claimed the operation was the work of a single employee responsible for small package delivery expense accounting. That employee is no longer with the company . “At Macy’s, Inc., we promote a culture of ethical conduct,” CEO Tony Spring said in a press release. “While we work diligently to complete the investigation as soon as practicable and ensure this matter is handled appropriately, our colleagues across the company are focused on serving our customers and executing our strategy for a successful holiday season.” According to a company-funded investigation, the expense hiding began in the fourth financial quarter of 2021 and continued until Macy’s fiscal quarter that ended Nov. 2. During that time period, Macy’s announced $4.36 billion in delivery expenses. The fraudulent accounting did not affect daily business, according to the company. In a preliminary report Monday, Macy’s said net sales fell 2.4% to $4.74 billion. The company’s financials have been closely watched since a hostile takeover bid earlier this year from two hedge funds , Arkhouse and Brigade Capital. Macy’s ended the buyout talks in July, rejecting a $6.6 billion offer from the firms. That offer valued Macy’s stock at $24 per share. After Monday’s announcement, Macy’s stock was trading at $15.89 per share. When the takeover bid was rejected, it was above $16 per share. Macy’s said it would present a full third quarter earnings report on Dec. 11. In Monday’s preliminary report, the company said sales at flagship Macy’s stores were down 3%, while sales at Bloomingdale’s rose 1%. The company also owns Bluemercury cosmetics , which reported a 3.3% increase in sales. With News Wire Services
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Flames bring 3-game losing streak into matchup with the Penguins Calgary Flames (12-8-4, in the Pacific Division) vs. Pittsburgh Penguins (9-12-4, in the Metropolitan Division) Pittsburgh; Saturday, 7 p.m. Canadian Press Nov 30, 2024 1:12 AM Nov 30, 2024 1:20 AM Share by Email Share on Facebook Share on X Share on LinkedIn Print Share via Text Message Calgary Flames (12-8-4, in the Pacific Division) vs. Pittsburgh Penguins (9-12-4, in the Metropolitan Division) Pittsburgh; Saturday, 7 p.m. EST BETMGM SPORTSBOOK LINE: Penguins -122, Flames +101; over/under is 6 BOTTOM LINE: The Calgary Flames enter the matchup against the Pittsburgh Penguins after losing three in a row. Pittsburgh is 9-12-4 overall and 5-6-2 at home. The Penguins have conceded 96 goals while scoring 65 for a -31 scoring differential. Calgary is 12-8-4 overall and 3-5-4 in road games. The Flames have a 4-7-1 record in games they serve more penalty minutes than their opponents. The matchup Saturday is the second time these teams meet this season. The Flames won 4-3 in a shootout in the previous meeting. TOP PERFORMERS: Sidney Crosby has eight goals and 16 assists for the Penguins. Bryan Rust has four goals and three assists over the last 10 games. Rasmus Andersson has five goals and nine assists for the Flames. Mikael Backlund has scored three goals and added one assist over the last 10 games. LAST 10 GAMES: Penguins: 4-4-2, averaging 2.3 goals, four assists, 3.4 penalties and 7.1 penalty minutes while giving up 3.7 goals per game. Flames: 5-3-2, averaging 2.1 goals, 3.4 assists, 3.9 penalties and 9.5 penalty minutes while giving up 2.2 goals per game. INJURIES: Penguins: None listed. Flames: None listed. ___ The Associated Press created this story using technology provided by Data Skrive and data from Sportradar . The Associated Press See a typo/mistake? Have a story/tip? This has been shared 0 times 0 Shares Share by Email Share on Facebook Share on X Share on LinkedIn Print Share via Text Message Get your daily Victoria news briefing Email Sign Up More Hockey Blues host the Flyers after Holloway's 2-goal game Nov 30, 2024 1:12 AM Islanders take losing streak into matchup with the Sabres Nov 30, 2024 1:12 AM Washington visits New Jersey after shootout win Nov 30, 2024 1:12 AMFOXBOROUGH, Mass. (AP) — The NFL removed New England Patriots safety Jabrill Peppers from the commissioner exempt list on Monday, making him eligible to participate in practice and play in the team’s games. Peppers missed seven games since being placed on the list on Oct. 9 after he was arrested and charged with shoving his girlfriend’s head into a wall and choking her. The league said its review is ongoing and is not affected by the change in Peppers’ roster status. Braintree, Massachusetts, police said they were called to a home for an altercation between two people on Oct. 7, and a woman told them Peppers choked her. Police said they found at the home a clear plastic bag containing a white powder, which later tested positive for cocaine. Peppers, 29, pleaded not guilty in Quincy District Court to charges of assault and battery with a dangerous weapon and possession of a Class “B” substance believed to be cocaine. At a court appearance last week a trial date was set for Jan. 22. “Any act of domestic violence is unacceptable for us,” Patriots coach Jerod Mayo said after the arrest. “With that being said, I do think that Jabrill has to go through the system, has to continue to go through due process. We’ll see how that works out.” A 2017 first-round draft choice by Cleveland, Peppers spent two seasons with the Browns and three with the New York Giants before coming to New England in 2022. He was signed to an extension this summer. He played in the first four games of the season and missed one with a shoulder injury before going on the exempt list, which allows NFL Commissioner Roger Goodell to place a player on paid leave while reviewing his case. AP NFL: https://apnews.com/hub/nflHow to survive political debates at Thanksgiving dinner, according to a family therapist
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