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SAN FRANCISCO (AP) -- If you haven't been wearing a face mask while taking an Uber, you may be required to take a selfie to prove you are ready to don one the next time you summon a driver on the world's largest ride-hailing service.The mask verification rules rules announced Tuesday expand upon a similar requirement that Uber imposed on drivers in May to help reassure passengers worried about being exposed to the novel coronavirus.The additional safety measures are part of Uber's efforts to rebuild a service that has saw ridership plunge by 56% in the company's most recent quarter. 597

SAN DIEGO (KGTV)- The DMV is apologizing for long wait times as they work through a new queuing system and problems with the REAL ID.Wait times (without an appointment) used to be under two hours, now they're closer to 4-5 hours. The DMV issued this statement to 10News:The issue is employees have to manually enter the ID number given to each customer, since a new system went online two weeks ago. The ID number consists of your initials and the last four digits of your phone number.The process prior was completely automatic.The other issue relates to the REAL ID. Employees are taking more time to explain to customers what they need to have in order to get the ID. Customers also have to enter their information in an online application form inside the DMV, and that process can be slow and glitchy.To save on time, go online? and book an appointment, or call 1-800-777-0133. 909

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, Calif. (KGTV) -- One lucky couple will spend the rest of their lives together after crossing the finish line at America's Finest City half marathon together. The couple got engaged at the finish line in Balboa Park.The half marathon kicked off at the Cabrillo National Monument. Participants ran through Point Loma, past the San Diego Bay, the Embarcadero and ended in Balboa Park.The half-marathon is part of a series of racing called the Triple Crown, which means if runners participated in the La Jolla and Carlsbad marathons, they received a special medal today. Proceeds from the race go to several local charities.  660

SAN FRANCISCO (AP) — California fire authorities say Pacific Gas & Electric Co. power lines sparked the deadliest and most destructive wildfire in state history.Cal Fire said Wednesday the lines in the Pulga area ignited the Nov. 8 fire that killed 85 people in Paradise.The investigation also identified a second nearby ignition site involving vegetation and electrical distribution lines, also owned and operated by the San Francisco-based utility.The second fire was quickly consumed by the initial fire.Lynsey Paulo, a spokeswoman for PG&E, did not immediately comment.The fire in Butte County destroyed nearly 15,000 homes.The nation's largest utility filed for Chapter 11 bankruptcy in January as it faced tens of billions of dollars in potential liability costs related to wildfires in 2017 and 2018. 823