Current Navigation System News and Events

Current Navigation System News and Events, Navigation System News Articles.
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Peeking at the pathfinding strategies of the hippocampus in the brain
The Korea Institute of Science and Technology (KIST) announced that the research team led by Sebastien Royer uncovered that place cells in the hippocampus encode spatial information using interchangeably two distinct information processing mechanisms referred to as a rate code and a phase code, somewhat analogue to the number and spatial arrangement of bars in bar codes. In addition, the research team found that parallel neural circuits and information processing mechanisms are used depending on the complexity of the landmarks along the path. (2021-02-15)

Silicon chip provides low cost solution to help machines see the world clearly
Researchers in Southampton and San Francisco have developed the first compact 3D LiDAR imaging system that can match and exceed the performance and accuracy of most advanced, mechanical systems currently used. (2021-02-10)

A novel approach to determine how carcinogenic bacteria find their targets
The gram-negative bacteria Helicobacter pylori (H. pylori) colonize the stomachs of the majority of the world's population. Although most people may never experience major complications due to the pathogen, H. pylori infections increase the risk of certain types of gastric cancer, as well as other illnesses such as peptic ulcers and gastritis. (2021-02-10)

COVID-19 health threat increases psychological distress among Black Americans
A new University of Georgia study examines the interplay between the perceptions of coronavirus threat and psychological distress among Black Americans. (2021-02-04)

How will seafarers fare once automated ships take over? Scientists predict the future
Researchers from the Korea Maritime and Ocean University show that automation in the shipping industry will lead to an overall increase in shore-based jobs. However, they warn that this will have to be complemented with concerted policy measures to provide the necessary technical training to job seekers and veteran seafarers who will need to adapt to the new technological paradigm. (2021-01-25)

Bringing atoms to a standstill: NIST miniaturizes laser cooling
Scientists at the National Institute of Standards and Technology (NIST) have miniaturized the optical components required to cool atoms down to a few thousandths of a degree above absolute zero, the first step in employing them on microchips to drive a new generation of super-accurate atomic clocks, enable navigation without GPS, and simulate quantum systems. (2021-01-21)

Appreciating a flower's texture, color, and shape leads to better drone landings
A team of TU Delft and the Westphalian University of Applied Sciences researchers present an optical flow-based learning process that allows robots to estimate distances through the visual appearance (shape, color, texture) of the objects in view. This artificial intelligence (AI)-based learning strategy increases the navigation skills of small flying drones and entails a new hypothesis on insect intelligence. (2021-01-19)

Robot learns fast but safe navigation strategy
A research group from the Active Intelligent System Laboratory (AISL) at Toyohashi University of Technology (TUT) has proposed a new framework for training mobile robots to quickly navigate while maintaining low collision rates. The framework combines deep reinforcement learning (DRL) and curriculum learning in the training process for robots to learn a fast but safe navigation policy. (2021-01-18)

New algorithm mimics electrosensing in fish
Weakly electric fish are specially adapted to traverse murky waters without relying on vision; instead, they sense their environment via electric fields. Researchers developed an innovative algorithm for observing objects via electrosensing that is based on the real behavior of weakly electric fish. (2021-01-14)

Scientists discover how our brains track where we and others go
For the first time, scientists have recorded how our brains navigate physical space and keep track of others' location. Researchers used a special backpack to wirelessly monitor the brain waves of epilepsy patients as each one walked around an empty room hunting for a hidden, two-foot spot or watched others do the same. (2020-12-23)

New optical fiber brings significant improvements to light-based gyroscopes
Researchers have taken an important new step in advancing the performance of resonator fiber optic gyroscopes, a type of fiber optic sensor that senses rotation using only light. Because gyroscopes are the basis of most navigation systems, the new work could one day bring important improvements to these systems. (2020-12-21)

Scientists discover a new type of brain cell that could help detect distance
A new kind of brain cell has been discovered which will help to understand how we remember where we left objects, such as car keys and mobile phones. (2020-12-21)

Focus on human factor in designing systems
A new study has found one of the challenges in designing systems that involve people interacting with technology is to tackle the human trait of overconfidence. (2020-12-08)

Gaia space telescope measured the acceleration of the Solar System
The Gaia space telescope has measured the acceleration of the Solar System when it orbits the center of our Milky Way galaxy. The Solar System motion relative to the stars agrees with the results by Finnish astronomers in the 19th century. (2020-12-03)

How to spot winning sperm: examine their racing stripes
Millions of sperm enter the race to fertilize, but only one wins the sprint to the egg. Now Yale researchers have discovered that these winning sperm possess a few key molecular characteristics that differentiate them from those left behind, they report Dec. 1 in the journal eLife. (2020-12-01)

Could your vacuum be listening to you?
A team of researchers demonstrated that popular robotic household vacuum cleaners can be remotely hacked to act as microphones. (2020-11-17)

Inclusion of patient headshots in electronic health records decreases order errors
Analysis of the millions of orders placed for participating patients over a two-year span showed the rate of wrong patient order entry to be 35 percent lower for patients whose photos were included in their EHR. (2020-11-13)

Using walls to navigate the room
Scientists discover a brain circuit that signals the direction and distance of boundaries in the environment to help coordinate next movements (2020-11-07)

An underwater navigation system powered by sound
Underwater backscatter localization developed at MIT could allow for battery-free ocean exploration. The system is akin to subsea GPS and has potential applications in marine conservation, aquaculture, underwater robotics, and more. (2020-11-02)

Why people with dementia go missing
People with dementia are more likely to go missing in areas where road networks are dense, complicated and disordered - according to new research from the University of East Anglia. Researchers studied hundreds of 'missing person' police reports for people with dementia and compared each case to the surrounding road network. They hope their findings could help inform future safeguarding guidelines. (2020-10-29)

Odors as navigational cues for pigeons
Volatile organic compounds identified that can be used for olfactory navigation by homing pigeons. (2020-10-19)

Eyeglass-attached display device provides fluoroscopic guidance during spine surgery
Researchers from Tokyo tested a device that, when attached to everyday eyeglasses, displays fluoroscopic images used for surgical guidance directly to the surgeon. The device allowed the surgeon to focus on operative tasks more efficiently and resulted in a slightly shorter length of surgery and less exposure to radiation than use of a fluoroscopic monitor in the OR. (2020-10-13)

Using robotic assistance to make colonoscopy kinder and easier
Scientists have made a breakthrough in their work to develop semi-autonomous colonoscopy, using a robot to guide a medical device into the body. The milestone brings closer the prospect of an intelligent robotic system being able to guide instruments to precise locations in the body to take biopsies or allow internal tissues to be examined. (2020-10-12)

Animals' magnetic 'sixth' sense may come from bacteria, new paper suggests
A University of Central Florida researcher is co-author of a new paper that may help answer why some animals have a magnetic ''sixth'' sense, such as sea turtles' ability to return to the beach where they were born. The researchers recently authored an article in Philosophical Transactions of the Royal Society B that proposes a hypothesis that the magnetic sense comes from a symbiotic relationship with magnetotactic bacteria. (2020-09-14)

People with increased risk of Alzheimer's have deficits in navigating
Alzheimer's patients develop severe symptoms of spatial disorientation as the disease progresses and are unable to find even the simplest ways. (2020-08-31)

A how-to guide for teaching GIS courses online with hardware or software in the cloud
In a new paper this week, geographer Forrest Bowlick at the University of Massachusetts Amherst and colleagues at Texas A&M offer first-hand accounts of what is required for GIS instructors and IT administrators to set up virtual computing specifically for providing state-of-the-art geographic information systems (GIS) instruction. (2020-08-19)

Soldiers could teach future robots how to outperform humans
In the future, a Soldier and a game controller may be all that's needed to teach robots how to outdrive humans. (2020-08-12)

COVID-19 crisis exposes imbalance in EU state aid for aviation sector
Dr Steven Truxal, an aviation law expert in The City Law School, says state aid offered to airlines in response to the current crisis raises questions around unfair competition between European carriers and may be the subject of future challenge by carriers outside the EU. (2020-08-07)

Mars 2020 mission to be guided by USGS astrogeology maps
When NASA's Perseverance rover lands on Mars next year, it will be equipped with some of the most precise maps of Mars ever created, courtesy of the USGS Astrogeology Science Center. Not only are the new maps essential for a safe landing on Mars, but they also serve as the foundation upon which the science activities planned for the Mars mission will be built. (2020-07-27)

Which way to the fridge? Common sense helps robots navigate
A robot travelling from point A to point B is more efficient if it understands that point A is the living room couch and point B is a refrigerator. That's the common sense idea behind a 'semantic' navigation system developed by Carnegie Mellon University and Facebook AI Research. That navigation system last month won the Habitat ObjectNav Challenge at the Computer Vision and Pattern Recognition conference (2020-07-20)

Wonders of animal migration: How sea turtles find small, isolated islands
One of Charles Darwin's long-standing questions on how turtles find their way to islands has been answered thanks to a pioneering study by scientists. (2020-07-16)

Sea turtles' impressive navigation feats rely on surprisingly crude 'map'
Since the time of Charles Darwin, scientists have marvelled at sea turtles' impressive ability to make their way--often over thousands of kilometers--through the open ocean and back to the very places where they themselves hatched years before. Now, researchers reporting in the journal Current Biology on July 16, 2020 have evidence that the turtles pull off these impressive feats of navigation with only a crude map to guide them on their way. (2020-07-16)

A Raspberry Pi-based virtual reality system for small animals
The Raspberry Pi Virtual Reality system (PiVR) is a versatile tool for presenting virtual reality environments to small, freely moving animals (such as flies and fish larvae), according to a study published July 14, 2020 in the open-access journal PLOS Biology by David Tadres and Matthieu Louis of the University of California, Santa Barbara. The use of PiVR, together with techniques like optogenetics, will facilitate the mapping and characterization of neural circuits involved in behavior. (2020-07-14)

Arctic Ocean changes driven by sub-Arctic seas
New research explores how lower-latitude oceans drive complex changes in the Arctic Ocean, pushing the region into a new reality distinct from the 20th-century norm. (2020-07-10)

Movement ecology bears fruits: ATLAS supports map-based navigation of wild bats
Hebrew University and Tel Aviv University researchers collaborated on tracking wild bats' foraging habits in their natural habitat. They found evidence that the animals navigate using an advanced cognitive map. (2020-07-09)

CityU's CRISPR-assisted novel method detects RNA-binding proteins in living cells
A research led by biomedical scientists from City University of Hong Kong (CityU) has developed a novel detection method, called CARPID, to identify binding proteins of specific RNAs in the living cells. It is expected the innovation can be applied in various cell researches, from identifying biomarkers of cancer diagnosis to detecting potential drug targets for treating viral diseases. (2020-07-01)

Humans navigate with stereo olfaction
A new study conducted by graduate student WU Yuli and his colleagues at the Institute of Psychology of the Chinese Academy of Sciences indicates that humans have a stereo sense of smell that subconsciously guides navigation. (2020-06-24)

Deep drone acrobatics
A navigation algorithm developed at the University of Zurich enables drones to learn challenging acrobatic maneuvers. Autonomous quadcopters can be trained using simulations to increase their speed, agility and efficiency, which benefits conventional search and rescue operations. (2020-06-23)

Army researchers find new ways to test swarming drones
The US Army has implemented a one-of-a-kind outdoor system to test swarming drones -- with a capacity of more than 1,500 times the volume of a typical testing facility. (2020-06-11)

Noise disturbs the brain's compass
Our sense of direction tends to decline with age. In 'Nature Communications', researchers from the German Center for Neurodegenerative Diseases and experts from the USA report on new insights into the causes of this phenomenon. These study results could contribute to the development of diagnostic tools for early detection of dementia. (2020-06-10)

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