济南勃起功能障碍可以治好吗(济南性功能检查项目要做哪些) (今日更新中)

Automakers are racing to develop driverless cars, putting increasingly complex technology on the road despite concerns from safety experts and the National Transportation Safety Board about a lack of regulations.Unlike rules for the design of a seatbelt or airbag, the federal guidelines for automated vehicle systems are voluntary. The U.S. Department of Transportation says keeping rules at a minimum will speed up the introduction of life-saving technology, a goal made all the more urgent as traffic deaths climbed again last year to 37,461, with 94 percent of those caused by human error.That lack of mandatory rules for self-driving cars has given automakers and technology companies the green light to police themselves, said Jackie Gillan, president of Advocates for Highway and Auto Safety. The group is calling for the government to issue mandatory safety standards for driverless cars.“Before we introduce this technology we need to have some assurance and accountability by the industry that this technology is not going to kill or injure consumers,” Gillan said.The National Transportation Safety Board makes recommendations after investigating major transportation incidents. The board recently called on DOT to issue new safety rules after its investigation of a May 2016 fatal crash of a Tesla Model S operating on autopilot near Williston, Fla. The Tesla slammed into a tractor-trailer, its cameras and automatic emergency braking system failing to spot the blank side of the truck against the white sky.It was the first known deadly wreck of a car driving with that level of automated sophistication. The NTSB said the driver relied too heavily on the car’s traffic-aware cruise control system and autosteering feature, but also blamed Tesla’s autopilot for allowing the driver to not interact with the car for prolonged periods of time.Investigators found the driver had his hands on the wheel for only 25 seconds during the 37 minutes the car was on autopilot. After the crash, Tesla updated its software that requires drivers touch the wheel every so often when the car is driving itself to ensure a human is paying attention to the road. Now if a driver repeatedly fails to touch the wheel, he or she will “strike out” and cause the car to slow down and stop in its lane with its hazard lights on, disabling autopilot for the remainder of the trip. 2378

As the holidays approach, many people are wondering how to safely celebrate. The CDC has urged Americans not to travel for Thanksgiving, and offering guidance for those who still want to go somewhere. Health officials weighed in on whether you need to quarantine before you visit family for the holidays."My own family, we usually have 100 relatives every year at Thanksgiving. Now, clearly, that’s not going to be happening this year. It’s going to be on Zoom for the big family, but I think there are ways that you can celebrate with your smaller family and get together safely, but it's going to take some work and some planning," said Dr. Tanya Altmann, a pediatrician and spokesperson for the American Academy of Pediatrics.Dr. Altmann says there are a number of steps people can take to protect themselves from getting COVID-19 this holiday season. Ideally, everyone would quarantine for two weeks before and after a get-together. Some families may think about switching their kids to remote learning if they are not already doing it."I don’t think its drastic. If you want to get together with elderly grandparents for Thanksgiving, I think keeping your kids home from school for a week and then testing them on day five to seven, assuming everybody is asymptomatic, can make a lot of sense. Again, I would still try to keep them a little distanced from the grandparents," said Dr. Altmann.But what if you can't switch your kids to remote learning? Dr. Altmann says then it won't be a true quarantine, but most schools that are in-person right now are doing everything right."They're masking, they’re distancing, they’re sanitizing and disinfecting, they’re hand washing. So, what we’re seeing is most kids are not catching COVID-19 in the school classroom during the school day, they're catching it at after-school activities, they're catching it on the weekends when they're gathering with friends or their families or doing things that maybe they shouldn’t necessarily be doing," said Dr. Altmann.So, how long should you quarantine last? For medical professionals, a quarantine usually refers to a person who's potentially been exposed but is not showing symptoms. It's a waiting period to help determine infection."I think really the best guidance is to wait that 14-day quarantine period to have some degree of confidence that you’re not going to become infected," said Dr. Beth Thielen, an Assistant Professor of Pediatrics at the University of Minnesota Medical School and an infectious disease physician. Dr. Thielen says, to be extra careful, you could also test yourself seven days into your two-week quarantine."A testing in between without symptoms is somewhat helpful because we also know there are a certain percentage of people who will develop asymptomatic infections and, in particular, this is probably important for children," said Dr. Thielen.However, testing rules and access varies in each state, so it's best to reach out to your local health official or doctor to find out about availability and turnaround times for results."So, I think for some, where now I'm hearing people are waiting days after a test, and so if you're planning to get tested before a trip and it's going to take four to five days to turnaround the test, that could be the entirety of your trip," said Dr. Thielen.Health officials advise erring on the side of caution, especially if you're planning on visiting elderly family members."I think the most important thing is to be really aware of that it's not just your family. 'Oh, we don't want to catch COVID, we might get sick' but that you could spread it to others who are even more vulnerable," said Dr. Altmann.Experts say to take the highest precautions to create the least amount of risk. 3756

Authorities are investigating interference with police radio communications, websites and networks used by law enforcement and other officials during recent U.S. protests over the death of George Floyd in Minneapolis.Although the efforts to disrupt police radios and take down websites in Minnesota, Illinois and Texas aren’t considered technically difficult hacks, federal intelligence officials warned that law enforcement should be ready for such tactics as protests continue.Authorities have not yet identified anyone responsible or provided details about how the disruptions were carried out. But officials were particularly concerned by interruptions to police radio frequencies during the last weekend of May as dispatchers tried to direct responses to large protests and unrest that overshadowed peaceful demonstrations.During protests in Dallas on May 31, someone gained access to the police department’s unencrypted radio frequency and disrupted officers’ communications by playing music over their radios, according to a June 1 intelligence assessment from the U.S. Department of Homeland Security.Dallas police did not respond to questions about the incident.The assessment, which was obtained by The Associated Press, attributes the Dallas disruption to “unknown actors” and does not say how they accessed the radio frequency. It warned that attacks of various types would likely persist.“Short-term disruptive cyber activities related to protests probably will continue — various actors could be carrying out these operations — with the potential to use more impactful capabilities, like ransomware, or target higher profile networks,” the assessment warns.The assessment noted similar problems with Chicago police’s unencrypted radio frequencies during large downtown protests on May 30 followed by reports of arson, theft and vandalism. Chicago police also have not said how the radio frequencies were accessed, but an official with the city’s Office of Emergency Management and Communications told the Chicago Sun-Times that the tactic was “very dangerous.”Police around the country have encrypted their radio communications, often arguing that it’s a way to protect officers and block criminals from listening in on widely available phone apps that broadcast police radio channels. But media outlets and local hobbyists have been frustrated by the changes, which also prevent them from reporting on issues pertaining to public safety.The Department of Homeland Security issued a separate warning this week reporting that personal information of police officers nationwide is being leaked online, a practice known as “doxxing.” According to the report obtained by the AP, information shared on social media included home addresses, email addresses and phone numbers.Law enforcement agencies have been targeted by online pranksters or hackers in recent years, including by some who claimed to be motivated by on-the-ground protests against police tactics. For example, the hacking collective Anonymous claimed responsibility for the defacement of local police departments’ websites in 2012 as protesters clashed with officers during the Occupy Wall Street movement.Individuals who self-identified as being part of the collective also claimed to have accessed dispatch tapes and other Ferguson Police Department records in 2014 after a white police officer shot and killed Michael Brown, an 18-year-old black man.Like other government entities, law enforcement agencies in recent years have been frequently targeted by ransomware attacks, in which a perpetrator virtually locks up a victim’s computer files or system and demands payment to release them.The prevalence of cyberattacks — which can cause physical damage or far-reaching disruption — and less severe online trickery, such as stealing passwords, has given law enforcement agencies more experience at fending off efforts to take down their websites or access critical information. But hackers adapt too, and governments with fewer resources than private companies often struggle to keep up, said Morgan Wright, chief security officer for the cybersecurity company SentinelOne.“The biggest concern they have right now is the safety of their communities, the safety of their officers,” Wright said of how law enforcement agencies view cyberthreats amid large demonstrations and unrest. “But if you look at what underpins everything we use to communicate, collaborate and operate, it’s all technology.”As large protests gathered steam after the May 25 death of Floyd, a handcuffed black man who died after a white Minneapolis police officer used his knee to pin his neck down for several minutes, Minnesota Gov. Tim Walz said state networks had been targeted. He described the activity as a “a very sophisticated denial of service attack.”But experts said the strategy of bombarding a website with traffic is common and doesn’t always take a high level of skill, counter to Walz’s description. Minnesota’s Chief Information Officer Tarek Tomes later said state services weren’t disrupted.But the efforts got a lot of attention, partly due to unverified online claims that Anonymous was responsible after years of infrequent activity. The decentralized group largely went quiet in 2015 but is still known globally based on headline-grabbing cyberattacks against Visa and MasterCard, the Church of Scientology and law enforcement agencies.Twitter users also made unverified claims that Anonymous was behind recent intermittent outages on the city government’s website in the Texas capital of Austin. Their posts indicated that the disruption was retribution for police officers shooting a 20-year-old black man in the head with a bean bag during a May 31 protest outside of police headquarters.The injured protester, identified by family as Justin Howell, remained hospitalized Wednesday in critical condition.The city’s IT department was looking into the site’s issues, but a spokesman said Monday that he couldn’t provide any information about the cause. He said the website was still experiencing a high volume of traffic.“You should have expected us,” an account purporting to be Anonymous’ posted on Twitter. It also warned that “new targets are coming soon.”The collective’s approach — anyone can act in its name — makes it difficult to verify the recent claims of responsibility. But Twitter accounts long affiliated with Anonymous shared them, said Gabriella Coleman, a professor at McGill University in Montreal who has studied the Anonymous movement for years.People with more advanced and disruptive hacking skills often drove peak instances of attention for Anonymous, and it’s not clear whether that type of activity will resume, she added.“There’s a lot of things going on in the background, people are chatting,” Coleman said. “Whether or not it materializes is another question. But certainly people are kind of aroused and talking and connecting.”___Foody reported from Chicago. Associated Press writer Jake Bleiberg in Dallas contributed to this report.___Acacia Coronado is a corps member for the Associated Press/Report for America Statehouse News Initiative. Report for America is a nonprofit national service program that places journalists in local newsrooms to report on undercovered issues. 7294

As officials try to put together a picture of the alleged synagogue shooter, one focus of the investigation is his social media postings, a federal law enforcement official told CNN. Here's what we know so far about the suspect Robert Bowers, 46:He allegedly made anti-Semitic statements after his arrestThe shooter made anti-Jewish comments during the incident, a law enforcement official told CNN. The shooting took place on the same day as Saturday Shabbat services. At the time of the shooting, three different congregations were holding services at the Tree of Life facility.In one post, he said he "can't sit by and watch my people get slaughtered" 662

As many people started decorating early, it's likely 2020 is a "boom" year for Christmas tree sales. Some even bought a "real" tree for the first time.In July, Bob Schaefer had a feeling it was going to be a big year for Christmas tree sales. The general manager of Oregon-based Noble Mountain Tree Farm says his company looks at the big holidays leading up to the Christmas season to get an idea of what the market will be like.“The next thing we watch is pumpkins - again, off the charts, early,” Schaefer said.Noble Mountain is a large tree producer, and it has been in the Christmas business since 1969. It now sells about half a million trees a year. Schaefer says it developed helicopter harvesting and can have your tree cut and shipped in 24 hours.“This year, we shipped to Dubai, Hong Kong, Canada, Mexico and of course the US,” Schaefer said.Christmas trees are a 10-year crop and once a farm has harvested those trees that are mature and ready, that's it for the tree.“Our sales were off the charts and we did sell out,” Schaefer said. “We’re wholesalers, we don’t sell to individual customers, but our wholesale sales were done by the first of October. Our trees were committed for sale."Schaefer said people started decorating the weekend after Halloween, leading to thriving initial sales.“If it turns out that COVID has people staying home and they have in their hearts the need for a lot of Christmas cheer, then we can provide that with a real tree,” Doug Hundley, spokesman for the National Christmas Tree Association, said.He said if you don't have your tree yet, don't worry. They won't sell out."We’ve never had a shortage. What we have now is a nice balanced, tight market between supply and demand,” Hundley said.It's no easy feat to predict the market, in fact, it's next to impossible, he said.“When we have a boom year like we may be having right now, we kind of suspected it, but we didn’t anticipate it and we can’t produce a real tree overnight,” Hundley said. “So, we have to provide what we have and hope it’ll work out.”He said if lots are empty, it's because the major tree weekends have passed.Ninety percent of people have already gotten their tree this year. Hundley says what's left will suffice for those who still need one. He hopes they all sell. If they don't, they're rendered useless.“The beauty of real trees over fake is we have a highly biodegradable product, it’s grown naturally, part of nature, benefits the environment supports the American economy and when we’re done, we can grind them so easily and chip them into mulch,” Hundley said. “They literally become soil in a couple of years, put back in the ground.”If you are purchasing a natural Christmas tree, experts recommend not adding additives. All your tree needs is plain water at any temperature. 2813

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