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SAN FRANCISCO (AP) — Google announced Wednesday it has achieved a breakthrough in quantum computing, saying it has developed an experimental processor that took just minutes to complete a calculation that would take the world's best supercomputer thousands of years.The feat could open the door someday to machines so blazingly fast that they could revolutionize such tasks as finding new medicines, developing vastly smarter artificial intelligence systems and, most ominously, cracking the encryption that protects some of the world's most closely guarded secrets.Such practical uses are still probably decades away, scientists said. But the latest findings, published in the scientific journal Nature, show that "quantum speedup is achievable in a real-world system and is not precluded by any hidden physical laws," the researchers wrote.RELATED: Google Maps will now allow drivers to report hazards, slowdowns and speed trapsBig tech companies including Microsoft, IBM and Intel are avidly pursuing quantum computing, a new and somewhat bewildering technology for vastly sped-up information processing.While conventional computing relies on bits, or pieces of data that bear either a one or zero, quantum computing employs quantum bits, or qubits, that contain values of one and zero simultaneously.But quantum computing requires placing the fragile and volatile qubits in colder-than-outer-space-refrigerators to control them.Google's quantum processor looks like an upside-down garbage can, out of which comes a series of tubes used to conduct signals to a chip. The whole thing is stored in a cool chamber to protect the chip.RELATED: Google unveils new Pixel 4 smartphone, Pixel BudsGoogle said that its quantum processor, called Sycamore, finished a calculation in 3 minutes, 20 seconds — and that it would take the world's fastest supercomputer 10,000 years to do the same thing.The calculation was a random sampling problem, similar to looking at the various combinations that could come from dice or a gambling machine. It has little practical value, other than to test how well the processor works."The more interesting milestone will be a useful application," said Chris Monroe, a University of Maryland physicist who is also the founder of quantum startup IonQ.Google's findings, however, faced pushback from other industry researchers. A version of Google's paper leaked online last month.IBM took issue with Google's claim that it had achieved "quantum supremacy," or the point when a quantum computer can perform a calculation that a traditional computer can't complete within its lifetime.IBM researchers said that its IBM-developed supercomputer, called Summit, could actually do the calculation in 2.5 days.Google disputed IBM's claims.Whether or not Google achieved "quantum supremacy," the research suggests the field is maturing."The quantum supremacy milestone allegedly achieved by Google is a pivotal step in the quest for practical quantum computers," John Preskill, the Caltech professor who coined the term "quantum supremacy," wrote in a column after the paper was leaked.It means quantum computing research can enter a new stage, he wrote, though a significant effect on society "may still be decades away."One feared outcome — though experts said it is a long way off — is a computer powerful enough to break today's best cryptography.Quantum computers might also one day lead to the development of better artificial intelligence systems to guide financial portfolios, crop yields or transportation routes.The promise of such applications has attracted interest from the U.S., China and other governments. President Donald Trump last year signed a measure to spend more than .2 billion over five years for quantum research across the federal government. 3797

SAN DIEGO (KTGV) - The City of San Diego could be looking at spending hundreds of thousands of dollars to figure out what to do next with a vacant city-owned building in the downtown area.A letter obtained by 10News shows the city is looking into proposals for additional services regarding the building at 101 Ash St.The Aug. 14 letter to the deputy director of architectural engineering and parks division outlined a proposal with costs for services estimated at 2,000."I think this is a ridiculous waste of money," said Council President Pro Tem Barbara Bry. "What I proposed on Aug. 6 at the council meeting is still what I think the city should be doing, and that is to get into a room and negotiate with all the parties that have a financial interest."The downtown building at 101 Ash St. has been sitting vacant for most of the last four years, and as it continues to sit empty, taxpayers are footing the ,000 per day bill. As 10News previously reported, in 2016 the city approved a lease-to-own agreement for the building, valued at million.The idea was to move upward of 1,100 city employees into the facility. But officials quickly discovered a series of problems requiring major renovations to the site's 19 floors. In December 2019, the city finally began moving workers into the building, only to vacate them a month later when the county found traces of asbestos.This month, City Council leaders voted 5-4 — with Council Members Vivian Moreno, Monica Montgomery, Barbara Bry, and Georgette Gómez voting in opposition — to request monthly updates on the building's status and costs for several options presented by Mayor Kevin Faulconer's office.According to the latest proposal letter, "The City has requested Kitchell to identify potential cost and schedule savings through further studies and investigations. Kitchell has added Jackson and Blanc Power Systems Testing to our team to perform diagnostic testing of the HVAC and Electrical systems to establish a baseline of operation. Upon completion of the diagnostic testing, Kitchell will develop four options for improving 101 Ash Street."The letter outlined several options that would eventually be presented to the city if leaders went with the proposal, including bare requirements to reoccupy the building, fire/life/safety recommendations, and potentially demolishing and replacing the existing building.The mayor's options for this building have included putting millions of dollars more into the building for the needed repairs, buying out the lease, pursuing a new landlord, trying to renegotiate its lease, or walking away entirely, the last of which could risk litigation and credit damage.When asked about the proposal letter obtained by ABC 10News, the mayor's office responded that the city's Communication Department provided information.A spokesperson for the city told ABC 10News, "Many documents, including this letter, may not be final. It appears you have documents that are not final and should not be treated as such."In an emailed response to questions, the spokesperson said, "The letter sent to Elif Cetin was a proposal, and anything within it should be considered draft and negotiable, including the fees, scope of work, etc. That is a proposed figure from the consultant and is still subject to negotiation."When asked about what type of consultations the city looking for and if Is there’s an approved dollar amount the city is looking to spend a city spokesperson also noted, "The City is pursuing all legal and financial options to protect taxpayers, recoup costs, hold accountable the contractors who worsened the building's condition, and implement new levels of accountability. The City is building and working with a multidisciplinary team of outside legal and real estate experts to achieve these goals. These plans were presented to the City Council at a public hearing on August 6, and the Council voted to continue to receive updates, which staff will provide." 3985

SAN DIEGO COUNTY (KGTV)-- While most beaches in San Diego County are entirely closed due to the Coronavirus pandemic, Coronado, Torrey Pines, and Oceanside do not have hard-closures. However, most of the visitors at the still-open beaches were doing their part in maintaining proper social distance. Get out and stretch out. Many people found one of the rare places in San Diego County to do so: Coronado Beach. "All the gyms, and everywhere you can get a little exercise, are closed," Manhattan Beach resident, Ryan Darling said. "I actually came out just to stretch my legs a little bit and get out of the house to do some lunges." Darling is visiting a friend in Coronado. He was worried the beach here would be packed. But many are finding it to be pretty mellow. "It's just as nice to see that it's not crazy on this nice, beautiful Saturday," Coronado resident, Brenda Byrnes said. Coronado Lifeguards periodically make announcements over the loudspeakers to take enforcement to the next level. "We're trying as hard as we can to keep the beach open. So we ask that you guys remain in motion," lifeguards said. If they see anyone loitering, sunbathing, or quietly sitting on the sand, they tell them to get a move on. It's a message most people seem to be following. "I went the whole way, and we just wave hi to one another from six feet and keep going," Darling said. The same goes for Oceanside. The beaches there have similar soft-closure rules. The parking lots, Pier, picnic areas, and playgrounds are closed. Congregating is strictly prohibited. These cities are following State guidelines practiced at Torrey Pines State Beach. Parking lots are closed, so visitors must hike into the beach. But some fortunate folks found street parking. "It's our lucky day!" visitor, John Hughes laughed. "Get out, get some sun, and then we'll go back home and hibernate."So far, visitors at the still-open beaches seem to be taking social distancing seriously. It's because if they do not, they know this luxury may be taken away at any time. "I hope they remain open, and to be used just the way they are right now," Byrnes said. "But if it gets too crowded, then I'm for closing them." 2195

SAN DIEGO (KGTV) - A sailboat damaged the USS Midway Sunday.The mast of the sailboat collided with a safety net attachment on the front port-side ‘horn’ of the ship. The crash happened shortly after 2 p.m. according to Harbor Police.The mast of the sailboat snapped off. There was minor damage to the safety nets of the Midway.“I thought something fell off the flight line, I didn't think a boat would crash into the Midway,” said Craig Wiener, who was touring the Midway at the time of the crash. “We were looking out the little port windows, and you see the mast falling off into the water."Harbor patrol says no charges are expected and attributed the crash to inexperience on the part of the person steering the sailboat.  Eight people were onboard the sailboat, and none of them were hurt.“He didn't realize how close he was and how tall his mast was and it was too late and the wind pulled him in,” Wiener said. 945

SAN DIEGO, Calif. (KGTV) - As the City of San Diego seeks more funding for three temporary bridge shelters, data reveals they have fallen far short of their goal to transition people into permanent housing.When the tents opened, the office of Mayor Kevin Faulconer set a goal of bridging 65 percent into permanent housing.A report by the San Diego Housing Commission shows from December 2017 to March 2018, 946 people have exited the three tents.RELATED COVERAGE: 476