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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 COUNTY (KGTV) — Despite the state and county's public health restrictions, some churches are planning to welcome people inside on a limited basis.San Diego County remains on the state's COVID-19 monitoring list. That means, as of July 15, 2020, indoor activities at Houses of worship are not allowed. But some are back to opening up their doors.On Thursday, a concerned ABC 10News viewer whose family attends Skyline Church in La Mesa sent us this email: 472

San Diego shipbuilder General Dynamics NASSCO has notified nearly 1,500 workers that they could be out of a job next month. The shipbuilder, however, says it anticipates letting go of closer to 350 workers. NASSCO says the layoffs are related to a dry dock accident in July that caused damaged to its facilities, although the workers union president says other factors are at play.“We are pursuing all available options to avoid or lessen the impact of these reductions and hope to increase our workforce as soon as possible to support work expected in 2019,” NASSCO president Kevin Graney said in a layoff notice to the state. RELATED: San Diego dry dock floods following barrier collapseThe list of jobs impacted includes 129 welders, 85 electricians, 84 painters and 82 pipe fitters.  Robert Godinez, who heads the Boilermakers Union Local 1998, said the number of potential layoffs is high because NASSCO uses an evaluation system to guide which workers it lays off. Those with the lowest evaluation are out first, and that can change with training.Godinez said he expects the layoffs to last about four to six months until NASSCO can fix its dry dock.  "If they lay off 400, 500, 600, 700, that should cover that notification requirement," he said. The layoffs come after NASSCO held a large hiring fair in April, as it looked to add 800 to 1,000 new welders and shipbuilders.However, Godinez said the shipbuilder did not hire even close to that number. He said Navy repair work fizzled and that a construction project got set back. Additionally, a union newsletter mailed before the accident reported 48 workers had been laid off  - a number too low to trigger a WARN public notice.  “People weren't ready for this, they weren't ready for the layoff,” Godinez said. “They were walking into the shipyard, they were watching these humongous banners that they’re going to be hiring like crazy and everyone’s on the upswing, and all of a sudden the layoffs start.”At the time of the accident, the fire department said a barrier that keeps water from going into the ship collapsed, leading to a flood. No one was hurt. Godinez said 4 million gallons of water rushed in and hit a 70,000 ton ship. That damage is delaying the next order, leading to the potential layoffs.NASSCO spokesman Dennis DuBard pinned the layoffs to the July 11 incident, and said the company is working to remedy the situation. 10News has since inquired about issues related to the April hiring event. “We are working diligently so not all employees who were notified will be affected. We regret the impact this will have on employees and their families,” DuBard said. “The company has arranged a variety of programs and resources to assist those who will be affected.”Godinez said the union would be working to arrange for additional training for workers who could be laid off, so they can find new jobs.  3023

SAN DIEGO - San Diego photographers are taking advantage of the serene and luminous glow of the surf this week.Eerie neon blue waves have been seen against San Diego's shore this week, creating some rare photo opportunities. The phenomenon is created when a red tide, which is algae bloom filled with phytoplankton called "dinoflagellates," rolls off waves onto or near the shoreline.The organisms react with a bioluminescent chemical reaction when jostled as a way to warn predators, to lure prey, or communicate within their species. The blue glow can be created by a simple step in the water or crash of a wave.IN SAN DIEGO...The current red tide is being caused by massive numbers of dinoflagellates including "Ceratium falcatiforme" and "Lingulodinium polyedra," according to the Scripps Institution of Oceanography at UC San Diego.The Scripps Institution of Oceanography at UC San Diego is not affiliated with The E.W. Scripps Co., the parent company of this station. Researchers do not know how long this current red tide will last or "the full spatial range of the bloom." In the past, blooms have lasted anywhere from a week to a month or more.San Diego's last red tide event in September 2013 lasted one week, while the previous one in October 2011 lasted a month, according to researchers. Previous ones have lasted even longer.Monday's event was captured from La Jolla to Encinitas. Scripps recommends viewing the marine event from a dark beach at least two hours after sunset, though visibility is not guaranteed.IS IT HARMFUL?...In some areas, a red tide can be toxic to local marine life. In California, the majority are not caused by species that produce toxins, such as domoic acid, according to researchers. However, it's still best to be cautious around the bloom.The Southern California Coastal Ocean Observing System at Scripps samples the water for potential harmful algal toxins weekly.Red tides are unpredictable events and do not always give off bioluminescence, Scripps said.BUT WHY IS IT RED?...The red coloration is due to the high number of organisms in the water. During the day, organisms will swim to the surface to soak in sunlight. Each cell contains a little sunscreen that gives off the color, according to Scripps.When these organisms gather at the surface for sunlight, they can create an especially intense red.Researchers say a combination of physical, chemical, and biological factors are the driving forces behind allowing red tides to form. 2586

SAN DIEGO (KGTV)--If you've ever seen a traditional Danza Azteca performance, you know it's much more than a show."We always explain to people that these are ceremonial prayers and that we're sharing them not to entertain people although that's part of it because people love seeing it but also to teach the history of the dancing and to teach there's something to learn from everybody," said Mario Aguilar, the Capitan General or leader of Danza Mexi'cayotl.The group is celebrating it's 40th anniversary this year, which makes it the longest running of it's kind in the country.Aguilar says the dancing is just a part of what they offer members."We use the name circle because we consider ourselves, everybody in the circle as family members, we have some people who've been dancing 40 years," he explained.The colorful and elaborate dances are really stories, telling of the ancient indigenous heritage that members are keeping alive.Aguilar says they're also trying to spread a message of unity."We're reminding people that we're all one people we dress differently we talk differently but we all come and go from the same place and that to me is the greatest gift of Azteca Dance." 1194

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