Current Operations Research News and Events

Current Operations Research News and Events, Operations Research News Articles.
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Study of auto recalls shows carmakers delay announcements until they 'hide in the herd'
Automotive recalls are occurring at record levels, but seem to be announced after inexplicable delays. A research study of 48 years of auto recalls announced in the United States finds carmakers frequently wait to make their announcements until after a competitor issues a recall - even if it is unrelated to similar defects. (2021-02-22)

New research finds drive-through mass-vaccination clinics could alter COVID-19 trajectory
Policymakers at all levels of government are racing to vaccinate hundreds of millions of people to save lives and blunt the deadly COVID-19 pandemic. New research published in the INFORMS Journal on Applied Analytics provides a simulated model for drive-through clinics that can be used for mass COVID-19 vaccinations based on the successful use of such a clinic to address H1N1. (2021-02-17)

Advances in x-ray imaging can help patients with breast cancer
A new approach to X-ray imaging can help surgeons performing breast cancer tumour removal surgery, giving 2.5 times better detection of diseased tissue around the edge of the tumour than with standard imaging. (2021-02-17)

Mapping hotspots of undersized fish and crustaceans may aid sustainable fishing practices
The seafood fished out of certain areas of southern European seas is consistently too small to keep, shows a recent study. Catching and discarding these juvenile and undersized animals harms biodiversity and worsens overexploitation of fisheries. But identifying these regions may help prioritize where fishing restrictions are needed most. (2021-02-05)

Controlling pain after surgery doesn't have to mean opioids, study shows
As surgeons balance the need to control their patients' post-surgery pain with the risk that a routine operation could become the gateway to long-term opioid use or addiction, a new study shows the power of an approach that takes a middle way. (2021-01-27)

Routine thoracic surgery safe during COVID-19 pandemic
A study in the Journal of Thoracic Oncology (JTO) comparing surgeries performed at one Chinese hospital in 2019 with a similar date range during the COVID-19 pandemic found that routine thoracic surgery and invasive examinations were performed safely. The JTO is the official journal of the International Association for the Study of Lung Cancer. (2021-01-19)

Error protected quantum bits entangled
For the first time, physicists from the University of Innsbruck have entangled two quantum bits distributed over several quantum objects and successfully transmitted their quantum properties. This marks an important milestone in the development of fault-tolerant quantum computers. The researchers published their report in Nature. (2021-01-13)

Good results for groin hernia operations not performed by doctors in Sierra Leone
In countries with a severe shortage of surgeons it is common for some operations to be done by medical staff with lower formal qualifications. Researchers at Karolinska Institutet, Sweden, have led a study on the safety and efficacy of a common surgical procedure. The study, published in JAMA Network Open, shows that inguinal hernia operations performed by associate clinicians at a Sierra Leone hospital were just as safe and effective as those performed by doctors. (2021-01-11)

New hard disk write head analytical technology can increase hard disk capacities
Using synchrotron radiation at SPring-8 - a large-scale synchrotron radiation facility - Tohoku University, Toshiba Corporation, and the Japan Synchrotron Radiation Research Institute (JASRI) have successfully imaged the magnetization dynamics of a hard disk drive (HDD) write head for the first time, with a precision of one ten-billionth of a second. The method makes possible precise analysis of write head operations, accelerating the development of the next-generation write heads and further increasing HDD capacity. (2021-01-07)

The first endovascular technology that can explore capillaries
EPFL scientists have invented a technique to navigate electronic devices that are smaller than human hair inside blood vessels and reach arterioles. The next step will be conducting in vivo tests. (2020-12-22)

New discovery brings analogue spintronic devices closer
The observation of nonlinearity in electron spin-related processes in graphene makes it easier to transport, manipulate and detect spins, as well as spin-to-charge conversion. It also allows analogue operations such as amplitude modulation and spin amplification. This brings spintronics to the point where regular electronics was after the introduction of the first transistors. These results by University of Groningen physicists were published in the journal Physical Review Applied on 17 December. (2020-12-18)

'Boss' genes could save human hearts - and the reef
UQ researchers have revealed rare decision-making genes in cells, which control how cells develop and respond to stress caused by disease or their environment. Researchers hope that in the future, they may be able to block a cell's bad decisions to prevent disease. (2020-12-13)

RUDN University mathematician suggested new approach to cooperative game
A mathematician from RUDN University developed a matrix representation of set functions. This approach is vivid and easy to check, and it makes the calculations easier. Among other things, the new development can be applied to cooperative game theory. (2020-12-01)

Minimizing the impact of restaurant shutdowns, restrictions in china amid COVID-19 crisis
A new study led by the UH Conrad N. Hilton College of Hotel and Restaurant Management identifies aspects of restaurant operations in China that benefitted the bottom line despite the turmoil caused by the COVID-19 pandemic. (2020-11-23)

How fishermen have adapted to change over the past 35+ years
An analysis published in Fish and Fisheries notes that marine fisheries are increasingly exposed to external drivers of social and ecological change, and recent changes have had different impacts upon the livelihood strategies favored by fishermen based on the size of their boats. (2020-11-18)

Spiny dogfish eat Atlantic cod: DNA may provide some answers
As dogfish populations recover from overfishing, questions remain about how much Atlantic cod they are eating and its impact on the struggling cod population. Researchers at NOAA's Northeast Fisheries Science Center used innovative genetic techniques to help shed some light on the situation. (2020-11-16)

Next-generation computer chip with two heads
EPFL engineers have developed a computer chip that combines two functions - logic operations and data storage - into a single architecture, paving the way to more efficient devices. Their technology is particularly promising for applications relying on artificial intelligence. (2020-11-05)

Optical wiring for large quantum computers
Researchers at ETH have demonstrated a new technique for carrying out sensitive quantum operations on atoms. In this technique, the control laser light is delivered directly inside a chip. This should make it possible to build large-scale quantum computers based on trapped atoms. (2020-10-22)

New research on cataract surgery in order to improve health care
In general, surgeons who perform numerous cataract operations every year encounter relatively few severe cases, and this probably contributes to their lower complication rate, as shown by a study led from the University of Gothenburg. These results provide new knowledge in the endeavor to further improve healthcare for a large group of patients. (2020-10-02)

Halt post-disturbance logging in forests
Please do not disturb: After forest fires, bark beetle infestations and other damage, the affected forests should not be cleared. (2020-09-23)

Spotlight on artificial intelligence: ONR to highlight AI research at DoD Symposium
Leaders from the Office of Naval Research will discuss how the Department of the Navy can best harness the power and potential of artificial intelligence (AI) during two panel sessions at the Department of Defense (DoD) Artificial Intelligence Symposium and Exposition, held Sept. 9-10, 2020. The two-day virtual event is sponsored by the DoD's Joint Artificial Intelligence Center. (2020-09-09)

Researchers explore how retail drone delivery may change logistics networks
Three UT Dallas researchers found that last-mile delivery networks will become more decentralized and the delivery speed of the drones will increase as the technology matures. (2020-08-28)

Dignity and respect go a long way in county jail, new research shows
A University of Wisconsin Oshkosh study indicates a little respect and decency can go a long way in improving some aspects of America's criminal justice system. Matt Richie, an assistant criminal justice professor, recently published 'Managing the Rabble with Dignity and Respect,' in the Journal of Crime and Justice, a publication of the Midwestern Criminal Justice Association. His findings reveal a great deal of the work involves interpersonal communication skills rather than physical force. (2020-08-12)

New study documents increasing frequency, cost, and severity of gunshot wounds
The rise in firearm violence has coincided with an increase in the severity of injuries firearms inflict as well as the cost of operations. (2020-08-10)

'Giant atoms' enable quantum processing and communication in one
MIT researchers have introduced a quantum computing architecture that can perform low-error quantum computations while also rapidly sharing quantum information between processors. The work represents a key advance toward a complete quantum computing platform. (2020-07-29)

Safe work protocols can increase the likelihood the business will fail
There are conflicting predictions on the relationship between worker safety and organization survival. New research in the INFORMS journal Management Science finds organizations that provide a safe workplace have a significantly lower chance of survival because it costs to be safe. (2020-07-27)

UMD researcher highlights trends in consolidation of US agriculture with 35 years of data
In a new paper published in Applied Economics Perspectives and Policies, University of Maryland researcher Jim MacDonald presents a detailed history of the consolidation of agriculture in the US based on 35 years of data, with implications for all sectors of agriculture moving forward. Data show a steady shift to fewer and larger farming operations across crops, dairy, and livestock. (2020-07-23)

Photon-based processing units enable more complex machine learning
Machine learning performed by neural networks is a popular approach to developing artificial intelligence, as researchers aim to replicate brain functionalities for a variety of applications. A paper in the journal Applied Physics Reviews proposes a new approach to perform computations required by a neural network, using light instead of electricity. In this approach, a photonic tensor core performs multiplications of matrices in parallel, improving speed and efficiency of current deep learning paradigms. (2020-07-21)

What factors influence the likelihood of fracking-related seismicity in Oklahoma?
The depth of a hydraulic fracturing well in Oklahoma, among other factors, increases the probability that fracking will lead to earthquake activity, according to a new report in the Bulletin of the Seismological Society of America. (2020-07-21)

ESA/NASA's solar orbiter returns first data, snaps closest pictures of the sun
The first images from ESA/NASA's Solar Orbiter are now available to the public, including the closest pictures ever taken of the Sun. (2020-07-16)

Study reveals many great lakes state parks impacted by record-high water levels
UToledo student Eric Kostecky zeroed in on how coastal flooding and erosion in 2019 damaged park facilities, boat launches and roads and interrupted visitor experiences. (2020-07-07)

How to bring conservation messaging into wildlife-based tourism
A new study from the University of Helsinki suggests that wildlife-based tourism operators should be key partners in educating and inspiring tourists to take informed conservation action. The study introduces a toolbox of ideas for improving wildlife-based tourism operations. (2020-07-01)

Reducing the risk of space debris collision
In a new paper published in EPJ Special Topics, authors Antônio Delson Conceição de Jesus and Gabriel Luiz F. Santos, from the State University of Feira de Santana, Bahia, Brazil, model the complex rendezvous manoeuvres a tug vehicle clearing space debris would have to undergo to mitigate the risk of collision at the moment of coupling. (2020-06-18)

Strategic redundancy can prevent collapse of supply chains during global crises
Companies should use redundancy as a way to fortify their operations against unforeseeable events such as pandemics. (2020-06-04)

Oesophageal surgery: Quality increases with larger case volumes
Oesophageal surgery: quality increases with larger case volumes. Greater survival probabilities in hospitals where complex oesophageal surgery is performed more frequently. (2020-05-29)

Performing optical logic operations by a diffractive neural network
Optical logic operations, as the basis of optical computing, hold huge potentials to many applications such as cryptographically secured wireless communication and real-time wavefront-shaping. To this goal, Scientist in China demonstrated a general framework for all optical logic operations by a compound Huygens' metasurface enacted diffractive neural network, and verify it in a microwave experiment. This work makes a big step towards future multi-functional optical logic gates and high computing density. (2020-05-25)

Considering how many firms can meet pollutant standards can spur green tech development
A new study developed a model of regulation in which the probability of a stricter standard being enacted increased with the proportion of firms in an industry that could meet the standard. The study found that regulations that consider the proportion of firms that can meet the new standard can motivate the development of a new green technology more effectively than regulations that do not consider this factor. (2020-05-05)

Fishers livelihood measured by more than catch
Scientists throwing shade on the idea that a fisher's life is Zen, showing the arrangements before and after the fish takes the bait the must be considered to make effective and equitable policy about global fishing. (2020-04-23)

European satellite data shows extreme methane emissions from Permian oil & gas operations
Study shows twice the average emissions rate of 11 other major US production regions; paper demonstrates potential for space-based data to drive down methane loss rates. (2020-04-22)

Speeding-up quantum computing using giant atomic ions
An international team of researchers have found a new way to speed up quantum computing that could pave the way for huge leaps forward in computer processing power. (2020-04-15)

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