This anomaly has puzzled scientists for years, but new computer simulations suggest the Moon’s asymmetric disposition can be traced back to an ancient collision with another object—possibly a dwarf planet.Beginning with the Apollo missions, however, we finally acquired the capacity to investigate the Moon’s unseen face.New research published in the Journal of Geophysical Research: Planets suggests this unexpected asymmetry was caused by an ancient collision with a rather large object, likely a dwarf planet.“This is a paper that will be very provocative,” Steve Hauck, a professor of planetary geodynamics at Case Western Reserve University who wasn’t involved with the study, said in a press release.This data showed that the far side crust was about 10 kilometres (6 miles) thicker than the crust on the near side.The right halves represent the temperature variations during the impact process, and the black arrows in (C) and (D) show the movement of debris around the Moon.
A version of this article by Jeffery Ding originally appeared in the ChinAI newsletter, which publishes translations of writings on AI policy and strategy from Chinese thinkers.There is a language asymmetry in the Chinese-speaking community’s understanding of the global AI landscape and that of the English-speaking community.Many of my translations this year drew from outlets such as xinzhiyuan, Leiphone and jiqizhixin, many of which are outpacing their Western outlets in content and scale.While some of this exaggeration is a product of media sensationalism or deliberate overestimation on the part of interest groups, another significant factor behind the overinflation is a misunderstanding of what is happening at the technical level of AI development in Chinese companies.In a year that featured the rise of the “AI arms race” meme and headlines like “China’s tech giants spending more on AI than Silicon Valley,” few people dug underneath the hood to see what China’s so-called AI giants, such as Tencent, were actually doing regarding AI at the technical level.One exception was a Chinese-language essay by Li Guofei, a widely respected thinker in China’s investment community, which drew on interviews with Tencent insiders.
China Tech Talk is an almost weekly discussion of the most important issues in China’s tech.From IPOs to fake data, from the role of WeChat to Apple’s waning influence, hosts John Artman and Matthew Brennan interview experts and discuss the trends shaping China’s tech industry.Make sure you don’t miss anything.Check out our lineup of China tech podcasts.Check us out on iTunes or Spotify!With the number of English speakers around the world, it’s no surprise that Chinese AI experts and engineers are keeping up with developments across the Pacific.
China to include businesses in credit score database plan – Financial TimesWhat happened: China is building a credit scoring system to help small and medium-sized enterprises (SMEs) gain better access to funding.According to a document (in Chinese) released earlier this month, the database will contain an array of records pertaining to individual SMEs including penalties and presence on government blacklists, as well as tax payments and utility bills.So far the database contains about 400,000 companies with credit scores, and those who with relatively high credit ratings will be given priority access to funding.Why it’s important: The database, outlined by China’s central committee and state council, is part of a broader initiative “to improve information asymmetry” between banks with loan availability and SMEs with good credit scores.Chinese tech giants including Alibaba and Tencent had been promoting their own credit rating schemes to individuals before the central bank halted the practice and introduced a centralized, credit rating platform.
Researchers from the Higher School of Economics and Yandex, as part of the LHCb collaboration at CERN, have been the first to discover CP violation in charm meson decays.On March 21, representatives of the LHCb collaboration spoke about this recent breakthrough at the Conference on Electroweak Interactions and Unified Theories in La Thuile.This discovery may become a key to solving the mystery of matter-antimatter asymmetry in the universe.One of the unsolved problems in physics concerns the abundance of matter over antimatter in the universe.In 1973, Makoto Kobayashi and Toshihide Maskawa proposed that a natural explanation for CP violation effect.However, the manifestation of this effect in the decay of particles containing various heavy quarks strongly depends on the other features of the Standard Model of elementary particles.
"A crucial aspect of the analysis is that we were looking not just at who sent messages to whom, but who sent messages and got a reply," says coauthor Mark Newman.We did this because we felt that that was a more reliable indicator of mutual [romantic] interest."When the researchers used a state-of-the-art algorithm to analyze 15 million of these two-way interactions among heterosexual users of a major online dating site, it revealed 19 distinct communities that closely mirrored geographic regions in the landscape of the lower 48 states."It's not surprising that the dating markets were geographically clustered.But the precise boundaries of those markets were a little surprising to us."When the researchers mapped clusters of reciprocal messages to the three-digit zip codes of the senders, they found that some communities fell neatly within state boundaries, while others spilled over into nearby states.
New evidence suggests that they can host electrons moving like slowed down light and their collective behavior mimics magnetic monopoles.An international team of researchers has discovered that certain classes of crystals with an asymmetry like biological "handedness," known as chiral crystals, may harbor electrons that behave in unexpected ways."Before our work, quantum-level properties of electrons in chiral crystals were rarely studied," said M. Zahid Hasan, the Eugene Higgins Professor of Physics at Princeton University, who led the research.It manifests in everyday objects such as gloves, shoes, screws and multi-level parking garages.In 2016, Duncan Haldane, Princeton's Sherman Fairchild University Professor of Physics, won the Nobel Prize in Physics for his theories predicting the properties of topological materials.In an October 2018 article, Hasan's team proposed a theory that bridged the gap between the physical chirality of crystals and how electrons behave in those crystals, both quantum mechanically and according to the mathematical laws of topology.
One has a confident-looking doctor on the cover, but the author doesn’t have an MD—a quick Google search reveals that he’s a medical journalist with the “ThinkTwice Global Vaccine Institute.” Scrolling through a simple keyword search for “vaccine” in Amazon’s top-level Books section reveals anti-vax literature prominently marked as “ 1 Best Seller” in categories ranging from Emergency Pediatrics to History of Medicine to Chemistry.Bluntly named “Vaccines Did Not Cause Rachel’s Autism,” it’s the only pro-vaccine book on the first page of search results.Its author, the pediatrician Peter Hotez, a professor in the Departments of Pediatrics and Molecular Virology & Microbiology at the Baylor College of Medicine , has tweeted numerous times about the amount of abuse and Amazon review brigading that he’s had to fight since it was released.This is compounded by an asymmetry of passion that leads truther communities to create prolific amounts of content, resulting in a greater amount available for algorithms to serve up … and, it seems, resulting in real-world consequences.A recent resurgence of measles outbreaks has the World Health Organization, the Centers for Disease Control and Prevention, and the US Congress questioning the impact of anti-vaccine misinformation on public health.In an era of content glut, search results and ranked feeds shape everything from the articles we read and products we buy to the doctors or restaurants we choose.
It is based on the mutual destructive interference of two low-quality optical states in one resonator allowing for secure "trapping" of light in various materials even at small scales.The theoretical results of the work were confirmed experimentally, laying the basis for new miniature devices: effective sensors, optical filters and nonlinear light sources.The research paper is published in SPIE Advanced Photonics.In general, Fano resonances arise due to the interaction of two waves with a certain relation between the amplitudes and phases, for example, during the electromagnetic radiation scattering.The main parameters of Fano resonances, determining the peak width and asymmetry, were usually considered as independent.However, the scientists from ITMO University showed that the resonance parameters are connected: when the resonance peak in the spectrum of the scattered radiation becomes symmetric, its width becomes minimal, leading to the maximum Q factor.
From shoes with in-built laser-pointing tech to ones that incorporate robotic components, there are no shortage of high-tech attempts to rethink footwear to help battle the effects of Parkinson’s disease.A startup called Naboso Technology has come up with an approach that’s less hardware intensive.According to its podiatrist creator, it works by hacking the human body by stimulating the nervous system via the bottom of the foot.Doing this can reportedly help improve balance and stability for people with Parkinson’s, multiple sclerosis.and assorted other neurological disorders.And all it reportedly requires is a textured insole.
Blockchain projects have enjoyed access to amounts of funding and levels of public liquidity comparable to some small IPOs.Complacency, misallocation of resources, and failure in managing expectations are some of the reasons why most projects have failed to take off in 2018, despite the industry raising north of US$15 billion in funding.A massive inflow surge in liquidity and funding for untested blockchain projects – without strict valuation models and metrics – mean that founders and funds alike end up with very little skin in the game, inevitably setting most currencies up for major correction.As a new asset class, crypto assets have yet to develop a clear set of expectations and guidelines around valuation models.There is significant information asymmetry between investors and developers, making it difficult to place valuations on crypto assets both in the form of actual development (unsystematic factors) and market hype cycles (systemic factors).However, this model may be less relevant for valuating research-oriented projects such as Oasis Labs or Thunder Token, which have been predominantly focused on building for technological breakthroughs.
And the process drags on, with the average asset valuation taking roughly a month and often costing a tidy sum — usually between $4,000 and $6,000.The ridiculous status quo motivated former architects Teun van den Dries and Sander Mulders to found Geophy, a real estate appraisal platform that taps artificial intelligence to suss out properties’ true market value.The Delft, Netherlands-based startup today revealed that it has raised $33 million in a Series B financing round led by London and San Francisco venture capital firm Index Ventures, with participation from existing investors Inkef Capital and Hearst Ventures.Geophy will use the fresh capital to expand its presence in the U.S. and Europe, said van den Dries, who serves as CEO, ahead of a move into the Asia-Pacific region in the next year.“Real estate is foundational to all areas of economic activity — to everyday life, in fact — but much of it is based on inaccurate or biased data.Furthermore, there’s an information asymmetry that distorts the market and leads to volatility,” he said.
WASHINGTON, D.C., December 18, 2018 -- Magnetic field sensors can enhance applications that require efficient electric energy management.Improving magnetic field sensors below the picoTesla range could enable a technique to measure brain activity at room temperature with millisecond resolution -- called magnetic encephalography -- without superconducting quantum interference device (SQUID) technology, which requires cryogenic temperatures to work.A group of researchers from Japan's National Institute of Materials Science at the University of Tsukuba and LG Japan Lab Inc. explored enhancing the magnetoresistance ratio in a current-perpendicular-to-plane giant magnetoresistance (CPP-GMR) device by using a half-metallic Heusler CoFeAl0.5Si0.5 (CFAS) alloy.The alloy has 100 percent spin-polarized conduction electrons, which enables very high spin-asymmetry of electron scattering and results in a large magnetoresistance ratio.Magnetoresistance -- a variation of electrical resistance in response to an externally applied magnetic field -- is important for all magnetic field sensor applications.To increase the sensitivity of magnetic field sensors, their magnetoresistance ratio (a value defined as electrical resistance change against magnetic field or magnetization) must first be increased.
Java Development Kit (JDK) 12 soon could be minus one feature that had been targeted for the release: a beta version of raw string literals.Meant to ease developing with Java, a raw string literal can span multiple lines of code of source code and does not interpret escape sequences.But the developers of this feature no longer are confident that the beta capability will be ready when JDK 12 is released on March 19, 2019.So, a proposal has been launched by Brian Goetz, a Java language architect at Oracle, to delete the raw string literals capability from the planned upgrade.The review period for the deletion plan ends on December 18, 2018.[ 15 Java frameworks that give developers a boost.
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Osaka - Japan's affection for robots is no secret.But is the feeling mutual in the country's amazing androids?We may now be a step closer to giving androids greater facial expressions to communicate with.While robots have featured in advances in healthcare, industrial, and other settings in Japan, capturing humanistic expression in a robotic face remains an elusive challenge.This is owing to factors such as the huge range and asymmetry of natural human facial movements, the restrictions of materials used in android skin, and of course the intricate engineering and mathematics driving robots' movements.A trio of researchers at Osaka University has now found a method for identifying and quantitatively evaluating facial movements on their android robot child head.
A research team from ITMO University and the Australian National University has discovered that different metasurfaces exhibit the same behavior provided a symmetry breaking is introduced to their unit cells "meta-atoms".Asymmetry of meta-atoms results in high-quality (high Q) resonances in the transmittance spectra of metasurfaces.Such resonances are capable of multiple amplification of external signals.By manipulating the asymmetry, scientists were able to control the resonances and thus an optical response, which is highly desirable for practical applications.The results of this research were published in Physical Review Letters.Quality factor (the so-called Q factor) is one of the most important characteristics of a resonant system that determines the effectiveness of light-matter interaction and amplification of external signals.
WASHINGTON, D.C., November 1, 2018 -- AIP Publishing has announced its selection of Daniel S. Clark, a physicist at Lawrence Livermore National Laboratory (LLNL) and leader of the National Ignition Facility's (NIF) Capsule Modeling Working Group within the inertial confinement fusion (ICF) Program, as the winner of the 2018 Ronald C. Davidson Award for Plasma Physics."AIP Publishing and Physics of Plasmas are delighted to award Daniel S. Clark the 2018 Ronald C. Davidson Award for Plasmas Physics," said Jason Wilde, chief publishing officer at AIP Publishing."Now in its third year, this award is in honor of the late Ron Davidson, the founding Editor-in-Chief of Physics of Plasmas who served for 25 years."The Physics of Plasmas editorial board selected Clark from among "the most highly cited and top downloaded articles from Physics of Plasmas during the past five years."His paper, "Detailed implosion modeling of deuterium-tritium layered experiments on the National Ignition Facility," Physics of Plasmas 20, 056318 (2013), reported state-of-the-art, high-resolution 3D modeling of National Ignition Campaign implosions, that continues to guide implosion design today, with its detailed incorporation of all known sources of hydrodynamic perturbation and drive asymmetry.The paper was co-authored with Denise Hinkel, Dave Eder, Ogden Jones, Steve Haan, Bruce Hammel, Marty Marinak, Jose Milovich, Harry Robey, Larry Suter, and Richard Town.
Scientists from the Higher School of Economics have developed a method that allows physicists at the Large Hadron Collider (LHC) to separate between various types of elementary particles with a high degree of accuracy.The results were published in the Journal of Physics.One of major unsolved problems of modern physics is the predominance of matter over antimatter in the Universe.Back in 1966, Russian scientist Andrei Sakharov suggested, that imbalance between matter and antimatter appeared as a result of CP violation, i.e., an asymmetry between particles and antiparticles.Thus only particles remained after their annihilation (mutual destruction) of resulting unbalanced contributions.The Large Hadron Collider beauty experiment (LHCb) studies unstable particles called B-mesons.
Italy’s Autorità garante della concorrenza e del mercato, roughly equivalent to this America’s FTC, has fined Apple and Samsung a total of $15 million for the companies’ practice of forcing updates on consumers that may slow or break their devices.The amount may be a drop in the bucket, but it’s a signal that governments won’t always let this type of behavior fly.The “unfair commercial practices” are described by the AGCM as follows:The two companies have induced consumers – by insistently proposing to proceed with the download and also because of the significant information asymmetry of consumers vis-a-vis the producers – to install software updates that are not adequately supported by their devices, without adequately informing them, nor providing them an effective way to recover the full functionality of their devices.In case you don’t remember, essentially Apple was pushing updates to iPhones last year that caused performance issues with older phones.Everyone took this as part of the usual conspiracy theory that Apple slows phones to get you to upgrade, but it turns out to have been more like a lack of testing before they shipped.