Math

The Peculiar Math That Could Underlie the Laws of Nature (quantamagazine.org) 242

xanthos writes: A fascinating article in Quanta magazine introduces us to Cohl Furey and the eight dimensional mathematics called octonions that she is using to model the interactions of strong and electromagnetic forces.

"Proof surfaced in 1898 that the reals, complex numbers, quaternions and octonions are the only kinds of numbers that can be added, subtracted, multiplied and divided. The first three of these "division algebras" would soon lay the mathematical foundation for 20th-century physics, with real numbers appearing ubiquitously, complex numbers providing the math of quantum mechanics, and quaternions underlying Albert Einstein's special theory of relativity. This has led many researchers to wonder about the last and least-understood division algebra. Might the octonions hold secrets of the universe?"

"In her most recent published paper she consolidated several findings to construct the full Standard Model symmetry group for a single generation of particles, with the math producing the correct array of electric charges and other attributes for an electron, neutrino, three up quarks, three down quarks and their anti-particles. The math also suggests a reason why electric charge is quantized in discrete units -- essentially, because whole numbers are."

Privacy

The Trump Administration is Talking To Facebook and Google About Potential Rules For Online Privacy (washingtonpost.com) 71

The Trump administration is crafting a proposal to protect Web users' privacy, aiming to blunt global criticism that the absence of strict federal rules in the United States has enabled data mishaps at Facebook and others in Silicon Valley. From a report: Over the past month, the Commerce Department has been huddling with representatives of tech giants such as Facebook and Google, Internet providers including AT&T and Comcast, and consumer advocates [Editor's note: the link may be paywalled; alternative source], according to four people familiar with the matter but not authorized to speak on the record. The government's goal is to release an initial set of ideas this fall that outlines Web users' rights, including general principles for how companies should collect and handle consumers' private information, the people said. The forthcoming blueprint could then become the basis for Congress to write the country's first wide-ranging online-privacy law, an idea the White House recently has said it could endorse. "Through the White House National Economic Council, the Trump Administration aims to craft a consumer privacy protection policy that is the appropriate balance between privacy and prosperity," Lindsay Walters, the president's deputy press secretary, said in a statement. "We look forward to working with Congress on a legislative solution consistent with our overarching policy."
Google

Google Executive Warns of Face ID Bias (bbc.com) 71

Facial recognition technology does not yet have "the diversity it needs" and has "inherent biases," a top Google executive has warned. From a report: The remarks, from the firm's director of cloud computing, Diane Greene, came after rival Amazon's software wrongly identified 28 members of Congress, disproportionately people of colour, as police suspects. Google, which has not opened its facial recognition technology to public use, was working on gathering vast sums of data to improve reliability, Ms Greene said. However, she refused to discuss the company's controversial work with the military. "Bad things happen when I talk about Maven," Ms Greene said, referring to a soon-to-be abandoned project with the US military to develop artificial intelligence technology for drones. After considerable employee pressure, including resignations, Google said it would not renew its contract with the Pentagon after it lapses some time in 2019. The firm has not commented on the deal since, only to release a set of "AI principles" that stated it would not use artificial intelligence or machine learning to create weapons.
Communications

Now LinkedIn Will Let You Leave Voicemail Messages (zdnet.com) 47

LinkedIn has been trying to make its business networking platform more like Facebook of late, with features like presence, and Google-like smart replies. Now, it's introducing voice messages just like Facebook and Facebook-owned WhatsApp. From a report: "Whether you're responding while walking or multitasking, or need to give an in-depth explanation, voice messages let you more easily and quickly communicate in your own voice with your connections," LinkedIn said in a blog. Personally, I loathe having to open voice messages on WhatsApp and have never received one on Facebook Messenger, but for the sender, at least, such services can be helpful if they're on the go and can't stop to type a message. And that's LinkedIn's justification for releasing the feature. LinkedIn thinks its new option will be a time-saver for users who find typing laborious in some situations. On the downside, this feature could rapidly become a real pain for those who already get bombarded with written messages from strangers promoting products and services on LinkedIn Messages.
Transportation

A New Study Says Services Like UberPool Are Making Traffic Worse (washingtonpost.com) 239

The explosive growth of Uber and Lyft has created a new traffic problem for major U.S. cities and ride-sharing options such as UberPool and Lyft Line are exacerbating the issue by appealing directly to customers who would otherwise have taken transit, walked, biked or not used a ride-hail service at all, according to a new study. From a report: The report by Bruce Schaller, author of the influential study, "Unsustainable?", which found ride-hail services were making traffic congestion in New York City worse, constructs a detailed profile of the typical ride-hail user and issues a stark warning to cities: make efforts to counter the growth of ride-hail services, or surrender city streets to fleets of private cars, creating a more hostile environment for pedestrians and cyclists and ultimately make urban cores less desirable places to live. Schaller concludes that where private ride options such as UberX and Lyft have failed on promises to cut down on personal driving and car ownership -- both of which are trending up -- pooled ride services have lured a different market that directly competes with subway and bus systems, while failing to achieve significantly better efficiency than their solo alternatives. The result: more driving overall. Ride sharing has added 5.7 billion vehicle miles to nine major urban areas over six years, the report says, and the trend is "likely to intensify" as the popularity of the services surges.
Space

Star's Black Hole Encounter Puts Einstein's Theory of Gravity To the Test (sciencemag.org) 66

An anonymous reader quotes a report from Science Magazine: For more than 20 years, a team of astronomers has tracked a single star whipping around the supermassive black hole at the center of our galaxy at up to 25 million kilometers per hour, or 3% of the speed of light. Now, the team says the close encounter has put Albert Einstein's theory of gravity to its most rigorous test yet for massive objects, with the light from the star stretched in a way not prescribed by Newtonian gravity. In a study announced today, the team says it has detected a distinctive indicator of Einstein's general theory of relativity called "gravitational redshift," in which the star's light loses energy because of the black hole's intense gravity. The star, called S2, is unremarkable apart from a highly elliptical orbit that takes it within 20 billion kilometers, or 17 light-hours, of the Milky Way's central black hole -- closer than any other known star. A team led by Reinhard Genzel at the Max Planck Institute for Extraterrestrial Physics (MPE) in Garching, Germany, has been tracking S2 since the 1990s, first with the European Southern Observatory's (ESO's) 3.6-meter New Technology Telescope in Chile's Atacama Desert and later with ESO's Very Large Telescope (VLT), made up of four 8-meter instruments. Ghez's team at UCLA also began to observe the star around the same time with the twin 10-meter Keck telescopes in Hawaii. In a paper published today in Astronomy & Astrophysics, Genzel's group reports seeing the combined action of the relativistic effects, with the black hole's gravity redshifting S2's radial velocity by 200 kilometers per second, a small fraction of its overall speed. The results match closely with the predictions of relativity and are inconsistent with Newtonian gravity.
Bitcoin

Google Bans Cryptocurrency Mining Apps From the Play Store (bleepingcomputer.com) 111

The Google Play Store is no longer welcoming apps that mine cryptocurrencies on users' devices. The new policy plainly states: "We don't allow apps that mine cryptocurrency on devices." As a result, Google will start to remove any app from the Play Store that violates these terms. It will however still allow mining apps that are used to control cryptocurrency mining operations on remote devices -- such as servers or desktops. Bleeping Computer reports: Preventing cryptocurrency mining on Android is crucial because untethered mining operations can easily overheat or destroy batteries -- or even devices if the battery case deforms, leaks, or catches fire. Such scenarios have already happened. Android malware strains like Loapi and HiddenMalware have been known to cause physical damage to infected smartphones. Google didn't publicly announce the policy change, but developers who had apps removed complained on Reddit. Other policy changes were also made, such as the decision to ban apps with repetitive content. You can read the new "Restricted Content" section of the Play Store Policy Center here, and compare it to an earlier version here.
Bug

Bugs In Samsung IoT Hub Leave Smart Home Open To Attack (threatpost.com) 44

secwatcher writes from a report via Threatpost: Cisco Talos researchers found flaws located in Samsung's centralized controller, a component that connects to an array of IoT devices around the house -- from light bulbs, thermostats, and cameras. SmartThings Hub is one of several DIY home networking devices designed to allow homeowners to remotely manage and monitor digital devices. "Given that these devices often gather sensitive information, the discovered vulnerabilities could be leveraged to give an attacker the ability to obtain access to this information, monitor and control devices within the home, or otherwise perform unauthorized activities," researchers said in a report. Threatpost goes on to detail the "multiple attack chain scenarios." Thankfully, Samsung has since patched the bugs. "We are aware of the security vulnerabilities for SmartThings Hub V2 and released a patch for automatic update to address the issue," a Samsung spokesperson told Threatpost. "All active SmartThings Hub V2 devices in the market are updated to date." The company released a firmware advisory for Hub V2 devices on July 9th.
Businesses

Massachusetts Senate Passes Resolution To Do In-Depth Study On Right-To-Repair (vice.com) 108

An anonymous reader quotes a report from Motherboard: On July 25, the Massachusetts Senate approved a Resolution that would create a special commission that would research the feasibility of forcing device manufacturers to treat customers and independent repair shops the same as officially licensed repair outlets. According to the proposed study, that means providing customers and independent repair shops with "repair technical updates, diagnostic software, service access passwords, updates and corrections to firmware, and related documentation." Gay Gordon Byrne, executive director of The Repair Organization, helped push the bill in 2012 and has been working to extend the law to tech companies ever since. "This is just one step in a series of steps that will end Repair Monopolies for technology products. I'm thrilled," Byrne told me in an email about the pending study.

The Resolution to create the study group still needs to pass the Massachusetts House, but the session ends July 31 so right-to-repair watch dogs won't have to wait long to see if it goes forward. The proposed makeup of the study commission shows that the legislature is serious about the issue and also reveals how big tech's repair monopoly is about much more than just being able to open up your iPhone without voiding the warranty. The legislature wants the study commission to include 23 members, including various members of the legislature but also a wealth of experts in various tech fields. They want someone from the Massachusetts Farm Bureau, a medical device manufacturer, an expert on electronic waste recycling, someone who repairs complex medical equipment, an intellectual property lawyer, a cyber security expert, a local farmer, and various other experts and citizens affected or knowledgeable about the right-to-repair.

Software

New Crime-Predicting Algorithm Borrows From Apollo Space Mission Tech (digitaltrends.com) 127

Researchers from Georgia Tech and the UK's University of Surrey have developed a new predictive policing algorithm that aims to better manage police resources and gain an upper hand in the war on crime. It reportedly uses technology that's been previously used in weather forecasting and the Apollo space missions. Digital Trends reports: The new algorithm built on previous work carried out by researchers from the University of California and police forces in both the U.S. and U.K. Their 2015 research showed how a predictive policing algorithm could accurately predict between 1.4 and 2.2 times more urban crime than specialist crime analysts. By making recommendations about where to patrol, the algorithm led to a 7.4 percent reduction in crime. However, while effective, this approach has also been criticized due to concerns about possible racial profiling and the underreporting of crime. The new algorithm has so far been demonstrated on a data set of more than 1,000 violent gang crimes in Los Angeles carried out between 1999 and 2002. Early conclusions suggest that the upgraded predictive tool could prove superior for coping with the constantly fluctuating world of real-time crime prediction. The researchers published their paper in the journal Computational Statistics & Data Analysis.
Security

Ask Slashdot: How Do You Handle Hardware That Never Gets Software Updates? (hpe.com) 233

New submitter pgralla writes from a report via HPE: Many devices, designed for both long-term and short-term use, were shortsighted when it came to flexibility. How do you handle the hardware that never gets software updates, such as embedded systems and task-dedicated equipment? The article that pgralla shared provides the example of medical devices running Windows 7. "Many of the current generation, when they were first released, used Windows 7, and the devices still work well enough that they remain in service today," reports HPE. "But Microsoft ended mainstream support for Windows 7 back in January 2015, so the operating system gets updated only with an occasional security patch as part of Microsoft's extended support. In January 2020, that extended support will end as well." Many IoT devices are in a similar boat as they're powered by embedded Linux and are not designed to be updated after they enter service."

Of course, these outdated devices create all sorts of security concerns. "Hackers and their access to knowledge and computing power only go up as the years pass, which means that long-lived, fixed-firmware devices become ever more insecure over time," says Michael Barr, founder of the Barr Group, which provides engineering and consulting services for the embedded systems industry. The WannaCry ransomware hack in 2017 affected not just PCs but also medical devices, and ended up costing businesses $4 billion.
Social Networks

Facebook Forced To Block 20,000 Posts About Snack Food Conspiracy After PepsiCo Sues, Says Report (gizmodo.com) 118

An anonymous reader quotes a report from Gizmodo: There is a rumor that Kurkure, a corn puff product developed by [Pepsico] in India, is made of plastic. The conspiracy theory naturally thrived online, where people posted mocking videos and posts questioning whether the snack contained plastic. In response, PepsiCo obtained an interim order from the Delhi High Court to block all references to this conspiracy theory online in the country, MediaNama reports. Hundreds of posts claiming that Kurkure contains plastic have already been blocked across Facebook, Twitter, Instagram, and YouTube, according to LiveMint, and the court order requires social networks to continue to block such posts. According to MediaNama, PepsiCo petitioned for 3412 Facebook links, 20244 Facebook posts, 242 YouTube videos, six Instagram links, and 562 tweets to be removed, a request the court has granted. PepsiCo's argument is that these rumors are untrue and defame the brand -- though it's evident that a number of the posts are satirical in tone, poking fun at the rumor rather than earnestly trying to spread misinformation.
Intel

Leaked Benchmarks Suggest Intel Will Drop Hyperthreading From Core i7 Chips (arstechnica.com) 199

According to leaked benchmarks found in the SiSoft Sandra database, there is an Intel Core i7-9700K processor that doesn't appear to have hyperthreading available. "This increases the core count from the current six cores in the 8th generation Coffee Lake parts to eight cores, but, even though it's an i7 chip, it doesn't appear to have hyperthreading available," reports Ars Technica. "It's base clock speed is 3.6GHz, peak turbo is 4.9GHz, and it has 12MB cache. The price is expected to be around the same $350 level as the current top-end i7s." From the report: For the chip that will sit above the i7-9700K in the product lineup, Intel is extending the use of its i9 branding, initially reserved for the X-series High-End Desktop Platform. The i9-9900K will be an eight-core, 16-thread processor. This bumps the cache up to 16MB and the peak turbo up to 5GHz -- and the price up to an expected $450. Below the i7s will be i5s with six cores and six threads and below them, i3s with four cores and four threads. Even without hyperthreading, the new i7s should be faster than old i7s. A part with eight cores is going to be faster than the four-core/eight-thread chips of a couple of generations ago and should in general also be faster than the six-core/12-thread 8th generation chips. Peak clock speeds are pushed slightly higher than they were for the 8th generation chips, too.
Facebook

Facebook Stock Suffers Largest One-Day Drop In History, Shedding $119 Billion 130

Facebook is experiencing one its worst days as a publicly traded company. According to CNBC, Facebook lost about $119 billion of its value on Thursday, marking the biggest one-day loss in U.S. market history. From the report: The company's shares plunged $41.24, or almost 19 percent, to $176.26 a day after the social media giant reported disappointing results. The slide is the largest decline in market capitalization in history, exceeding Intel's $91 billion single-day loss in September 2000, according to Bloomberg data. Founder and CEO Mark Zuckerberg saw his fortune drop by $15.9 billion to roughly $71 billion. His personal loss alone, if only on paper, exceeds the value of companies such as Molson Coors and Macy's, which have market values of $14 billion and $12 billion, respectively. Investors were spooked by Facebook's forecast showing that its number of active users is growing less quickly than expected, while the company also took a hit from Europe's new privacy laws.
Businesses

Qualcomm Ended NXP Acquistion After Failing To Secure Chinese Approval (cnet.com) 39

hackingbear writes: Qualcomm officially terminated the deal to buy Dutch semiconductor giant NXP after failing to get a decision from regulators in China by its deadline. It must now shell out a previously agreed upon $2 billion termination fee. The Chinese market accounts for 30% of Qualcomm's revenue. China's refusal of the approval can also be a retaliation against an $1.4 billion penalty against ZTE imposed by the U.S. Department of Commerce over technicalities of ZTE's violation of Iran sanctions, a move viewed by China as a U.S. excuse to launch a trade war. "It's a reminder that trade wars are maybe not that easy to win," says Steven Roach of Morgan Stanley. "And China has a lot of ammunition up its sleeve." Roach urged the Trump administration to understand that the U.S. and China "need each other," saying low-price Chinese imports are needed to "make ends meet" for cash-strapped Americans. Separately, in a hearing at the Office of United States Trade Representative for imposing additional tariffs on Chinese imports due to the alleged intellectual property theft by China, an accusation that the U.S. itself had committed, out of some 61 figures from the country's chemical, electronics, and solar energy sectors, only six expressed their support for the move.

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