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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 - A hot air balloon with 14 passengers and a pilot on board made an unplanned landing in Rancho Pe?asquitos Sunday night.The balloon set down on a hillside at Pe?asquitos Drive and Del Diablo Way west of Interstate 15 about 7:15 p.m.The community jumped in to help, keeping the basket stable and helping the passengers exit safely, according to the San Diego Police Department.Witnesses helped the pilot bring the basket down to the street where it could be picked up by the owner, police said. The owner's name was not released.No one was injured.The NTSB will investigate the cause of the unplanned landing.  643

SAN FRANCISCO (AP) — In the latest call to re-name racially charged brands and logos, nearly 1,000 people have signed an online petition urging Trader Joe's to stop labeling its international food products with ethnic-sounding names.The petition says labeling Chinese, Mexican or Italian food under the labels “Trader Ming's,” “Trader Jose,” or “Trader Giotto's” is racist because it exoticizes other cultures.Petitioners argue the names perpetuate harmful stereotypes."The Trader Joe’s branding is racist because it exoticizes other cultures - it presents 'Joe' as the default 'normal' and the other characters falling outside of it - they are 'Arabian Joe,' 'Trader José,' and 'Trader Joe San.'"In response, the grocery store chain said it decided several years ago to use only the Trader Joe’s name on its products and has been in the process of updating the ethnic-sounding labels.The company said it will soon complete the work. 941

SAN DIEGO, Calif. (KGTV) - Five years since it was last open to the public, the iconic "Plunge" swimming pool is finally set to welcome San Diegans at Belmont Park."Oh, we're so excited. It's highly anticipated," said Belmont Park spokesperson Michelle McKee.The pool was one of the original attractions when the amusement park opened in 1925. However, it had run into hard times in recent years and has been closed for much of the last decade. One management company went bankrupt. The next came up with a renovation plan, only to discover dangerous, corroding conditions inside, leading to the pool's closure in 2014. Work finally began in earnest in 2017, tearing out much of the Plunge infrastructure, while trying to maintain a link to its historic nature."It was a wonderful pool," McKee said. "We wanted to maintain the structure of some of those elements, so that remains here in the pool."A signature element, a large mural by the renowned artist Wyland, had to be removed. In its place is a new, bright, open look. Windows surround the pool, giving swimmers a view of the ocean. A retractable roof will help control the climate inside the glass space.The high-end gym company "Fit" is building a club on the upper floors. Fit will manage the pool. Members will have access to the pool. The public can purchase day passes. With a dynamic pricing plan, adult passes will begin at .Some San Diegans who have been to the plunge in the past worry that the price point will drive out locals and turn the Plunge into a tourist haven."I feel like when it's not tourist seaon, like summer when there's not many tourists, it's just going to be there. I don't think a lot of people will be going to it," said Makenna Gingrich."Spending is outrageous," said Scarlett Clancy.The Plunge will have its grand reopening July 4. Passes are currently on sale. The Fit club will open in early August. 1905

SAN FRANCISCO (AP) — Oakland on Tuesday became the second U.S. city to decriminalize magic mushrooms after a string of people shared how psychedelics helped them overcome depression, drug addiction and post-traumatic stress disorder.The City Council voted unanimously to decriminalize the adult use and possession of magic mushrooms and other entheogenic, or psychoactive, plants. Denver voters approved a similar measure for people 21 and older last month.Speakers overwhelmingly supported the move, describing substances like peyote as traditional plant-based medicines. One man who described himself as a former heroin addict said such plants saved his life. Some offered mystical descriptions of the hallucinogens as providing spiritual healing.The vote makes the investigation and arrest of adults who grow, possess, use or distribute entheogenic plants one of the lowest priorities for police. No city money could be used to enforce laws criminalizing the substances, and the Alameda County district attorney would stop prosecuting people who have been apprehended for use or possession.Council member Noel Gallo, who introduced the resolution, had said decriminalizing such plants would enable Oakland police to focus on serious crime.Amendments offered by Council member Loren Taylor added caveats that the substances "are not for everyone," recommending that people with PTSD or major depression seek professional help before using them and that people "don't go solo" but seek expert guidance and have a trusted friend present during the use.The ordinance also directs the city administrator to come back within a year to provide the council with an assessment of the law's impact on the community."Entheogenic plants and fungi are tremendous for helping to enable healing, particularly for folks who have experienced trauma in their lives," Carlos Plazola, chairman of the advocacy group Decriminalize Nature Oakland, said before the council meeting. "These plants are being recommended pretty extensively undercover, underground, by doctors and therapists."The Oakland Police Department did not respond to emailed messages from The Associated Press seeking comment before the meeting. Alameda County Deputy District Attorney Teresa Drenick declined to comment.Magic mushrooms are still illegal under federal and state law. Entheogenic substances are considered Schedule 1 drugs under the federal Controlled Substances Act, which categorizes drugs that have potential for abuse and no medical value.Skeptics had raised concerns about unsafe use, especially in schools.To address such concerns, Gallo said, lawmakers would have to establish rules and regulations about the use of such substances, including what exactly can be used, how to use them and what the associated risks are.Entheogenic plants have long been used in religious and cultural contexts. Gallo remembers his grandmother treating his family members with plants, including entheogenic ones, for a variety of ailments."Growing up in the Mexican community, this was our cure," Gallo said.Hemp oils, mushrooms and yerba buenas — an aromatic plant known for its medicinal properties — "that was our Walgreens. We didn't have a Walgreens. We didn't have a way to pay for any drugs. These are plants we have known for thousands of years in our community and that we continue to use." 3363