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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 (KGTV)— The man in the center of a viral video depicting a police arrest appeared in San Diego County Superior Court Tuesday. But he was there for another case, dating back to 2017.20-year-old Trenelle Cannon spoke at one of his many court appearances scheduled for this week. This one was regarding a robbery from 2017, where prosecutors said Cannon snatched a ,000 gold chain off a person's neck."The defendant was seen running to a vehicle, and that vehicle took off. There was a police hot stop on it. The defendant ran from the passenger and left the necklace inside," Deputy District Attorney, George Modlin said. But Cannon made headlines because of a controversial video, released Wednesday. The 12-second video was recorded from the back of a sedan that Cannon was riding with four others. Police said despite a demand to stop, the driver sped off onto Interstate 5. Near the freeway exit, police conducted a traffic stop. That's where the video begins. Cannon's girlfriend Shakira Smith, who took the video, said the man on the other end of the officers' punches, is Cannon. But San Diego Police said the 12-second video does not show the whole story, of how the 20-year-old had multiple outstanding warrants. According to San Diego Police Chief David Nisleit, officers were surveilling Cannon before the incident. When he took off, Chief Nislet said officers chased him. When they got close, he noted Cannon resisted, which resulted in the necessary force, which he called "physical strikes and distraction strikes.""Cannon refused to cooperate and struggled to keep his hands in front of his body." Chief Nisleit said. Cannon's loved ones said that was police brutality."He is quickly pulled out of the vehicle by his shirt, head first, throwing him down to the ground aggressively," girlfriend Shakira Smith said. In his short adult life, Cannon has been the defendant for at least three other criminal cases: involving a stolen cell phone, a gold chain, firearms possession, and identity theft. While he awaits the arraignments for his new charges, he requested a change in his living situation."I just wanted to request that I be taken out of the psych ward or whatever," Cannon said. "But they put me in like, a psych ward facility on the 6th floor, and I would request that I go to mainline. I've seen the psychiatrist and she said there is nothing wrong with me at all, and she doesn't understand why I'm up there."Cannon's arraignment for the charges from the video will be tomorrow at 1:30 pm. 2534

SAN DIEGO, Calif. (KGTV) -- A group of University City residents is suing the city of San Diego over its plan to pump sewage under their neighborhood to be turned into tap water. The nonprofit University City Community Foundation filed the lawsuit after raising ,000 from residents to challenge the environmental impact report for the city's Pure Water pipeline. The suit doesn't challenge the city's goal of making heavily treated reclaimed water one-third of its supply by 2035. The city says that will protect against future shortages and price increases. The lawsuit, however, says the city did not explore alternatives and did not adequately notify the public of the project's pipeline. It will pump sewage from the Morena Area, through Clairemont and University City, to a treatment plant at UTC. "There's no 100 percent guarantee that there could not be a leak, there could not be some discharge," said U.C. resident Barry Bernstein, who supports the lawsuit. "There could be some discharge. There may be some problems with the purification system."Ruth DeSantis, who heads the foundation, said the city and foundation are now in settlement talks. A city spokesman declined to comment on the lawsuit, but said there are multiple protections in place - including a system designed to immediately cut off to avoid sewage geysers. He said the city still plans to break ground on the project by early next year.  1476

SAN DIEGO, Calif. (KGTV) — In tradition with ‘Free Comic Book Day,’ the city of San Diego is giving away 5,000 comic books to patrons at 36 locations on May 5th, 2018.Local libraries are participating from 9:30 a.m. to 6 p.m. and have two comic titles available: Star Wars Adventure and Transformers Unicron. One comic per person, while supplies last.RELATED: What to do for Cinco de Mayo | All?Things Comic Con | Where to Eat at Comic ConBe sure to check out the city’s website for locations and free scheduled comic-related activities here. 570

SAN DIEGO, Calif. (KGTV) - California Gov. Gavin Newsom said indoor operations must close in the state, so some businesses like gyms and restaurants are moving outside. For the beauty industry, there’s a divide. While Newsom and San Diego County officials said businesses can move outside, the California Board of Barbering and Cosmetology won’t allow it.Bahar Radman is a stylist at Del Beauty Box and said she already started cutting hair in her salon’s parking lot. She said it works because there is more space to spread out, there is better airflow, she already has the cosmetology training on best hygiene practices, and she’s also taking coronavirus safety precautions, like keeping a mask on the whole time. She said of her first three outdoor clients, all were happy with the setup and already booked return appointments.This goes against the California Board of Barbering and Cosmetology rules, though. In a statement, a spokesperson from the Department of Consumer Affairs said, “The Board of Barbering and Cosmetology understands the effect shutdowns have on businesses and is sensitive to that. As it stands at this moment, under current laws and regulations, the services cannot be performed outside. However, we are looking deeply into this issue and we're exploring options.”RELATED: When it comes to outdoor haircuts, state won't budgeRadman said she knows her license is on the line with her decision, but she can’t afford another closure, so she’s taking the risk.“I know by this I’m risking my license to be suspended but you know what, I have a family to feed, I am a single mom, I’m trying to live right,” she said, also adding “If gyms can do it, if restaurants can do it, why can’t we do it.”She said many of her peers in the salon industry are either doing appointments under the table and accepting cash, or they’re falling back on unemployment money, two steps she does not want to take.“I am a refugee. A few years ago, came to this country, I had a goal and I came to live right. So I just want to keep continue living right. So if you want to put me in jail, get my license, whatever, do it if you think that’s right and that’s fair. But I’m risking it, yes,” she said. 2207