navigation

(a) Previous navigation systems had problems predicting occlusions, resulting in higher collision probabilities and suboptimal pathways that consumed more energy.…

1. IntroductionThe vastness of the world’s oceans and the increasing demand for underwater activities highlight the integral role of navigation beneath the waves . Submarines, autonomous underwater vehicles (AUVs), and remotely operated…

Detailed tracking structure of DMT. Credit: Satellite Navigation Researchers have developed a Dual-assisted Multi-component Tracking (DMT)…

Overview of FloorLocator. It takes as input WiFi scans, which are organized in a graph of visible APs before feeding into a spiking graph neural network for…

NIST researchers test a chip for converting light into microwave signals. Pictured is the chip, which is the fluorescent panel that looks like two tiny vinyl records. The…

Sustainability, Vol. 16, Pages 2105: A Review of Electric UAV Visual Detection and Navigation Technologies for Emergency Rescue Missions Sustainability doi: 10.3390/su16052105 Authors: Peng Tang Jiyun Li Hongqiang Sun Sudden…

Credit: CC0 Public Domain A University of Cincinnati Cancer Center study has found that real-time navigation is a useful tool for surgeons…

1. IntroductionNavigation may efficiently relieve the pressure on land transportation of bulk goods within the catchment due to its vast volume, excellent flexibility, and low transportation cost characteristics. As an essential…

Credit: Pixabay/CC0 Public Domain People at risk of Alzheimer's disease have impaired spatial navigation prior to problems with other…

In this video message, NOS Deputy Assistant Administrator Rachael Dempsey shares how recent advancements in the GRAV-D project will help reduce risk for…

In this video message, NOS Assistant Administrator Nicole LeBoeuf celebrates the 25th anniversary of NOAA's Office of Response and Restoration. (Video Transcript)…

Workers clean oil from the rocks following a spill in Port Arthur, Texas in January 2010. In 1976, the tanker Argo Merchant grounded near Nantucket Shoals in Massachusetts. When…

NAVIGATION AIDS GROUP 3 for topic 2-Final.pptxNAVIGATION AIDS GROUP 3 for topic 2-Final.pptx1. HERICK KURT ABDUR NUR TUSAR MD HABIBUR RAHMAN MD MOSTAFIZUR RAHMAN RAEQ FAIROOZ SM NAZMUS SHAKIB GROUP - 3 2. What is VDR? A voyage data…

The principle of VLBL (The colored version represents the indicated RPI is error-free while the gray one better reflects the practical scenario). Credit: Satellite…

Download PDF Diane M. Zorri is an Assistant Professor of Security Studies at Embry-Riddle Aeronautical University and serves as a Nonresident Fellow in the…

Web sites and Web applications require users to select from navigational options to access subsequent content pages. An important question relates to where the first navigational choices should be located on the page. Is the navigation…

Breadcrumbs are designed to allow visitors to quickly navigate a site by providing a trail. For example: Trails may be dynamically generated based on an actual path, which would vary from visitor to visitor; another option may be a…

A nationwide electronic warfare system called Pokrova can disrupt satellite navigation – Ukraine may already be using it to prevent strikes by Russian drones and missiles, but doing so will also affect satnavs in the country

1. IntroductionInterproximal enamel reduction (IPR) or “stripping” is an irreversible technique used to reduce controlled amounts of enamel on the proximal surface of the tooth by decreasing its mesiodistal size as an alternative to…

In this video message, NOS Assistant Administrator Nicole LeBoeuf shares the news that NOAA and partners helped recover over $92 million from polluters to restore seven…

1. IntroductionColorectal cancer (CRC) screening is effective in both the prevention and early detection of colon cancer, yet CRC continues to be one of the most common cancers diagnosed in both men and women in the United States (US),…

Information architecture (IA) focuses on organizing, structuring, and labeling content in an effective and sustainable way.  The goal is to help users find information and complete tasks.  To do this, you need to understand how the…

Credit: Carnegie Mellon University Mechanical Engineering For drones to save lives in search and rescue missions, or even reliably deliver…

4.2.1. Shortest-Route Navigation MethodologyThe process of route planning starts in advance: it firstly reads the EV’s make and model, its dynamic battery level, the driving mode (eco, comfort, or sport), the weather (to consider the…

Credit: Pixabay/CC0 Public Domain From the outside, the Kölnbrein water dam, operated by Verbund in Carinthia, which is Austria's highest…

The eyes of insects like ants can detect the polarisation of lightRazvan Cornel Constantin/Alamy A compass that relies on polarised light can use the sun to tell where magnetic north is, even when it is cloudy. It is…

A cargo vessel with Flettner rotors—a modern equivalent to sails. Credit: Norsepower, Author provided In the vast expanse of the world's…

Credit: Pixabay/CC0 Public Domain Shifting water levels have driven a significant decline in navigation conditions in recent decades along…

As many of you well know, designing a Web site can be very difficult. Part of that difficulty is in creating an information architecture that represents your content and labeling the links to make that content easy to find. Navigation…

2022 Education Infographic Every day, our educators share the treasures of the National Marine Sanctuary System with the public. We work to engage, inspire, and connect people with these special places and…

Precision Marine Navigation Aerial view of Long Beach, California. Credit: iStock …

  Questions/ Resources Rating Basis For Judgement Description Findings Sanctuary…

The National Ocean Service provides data, tools, and services that protect our ecosystems and enhance climate and economic resilience. In this video message, NOS Assistant Administrator Nicole LeBoeuf…

Volunteer Opportunities Volunteers participate in a wide variety of activities including diving, whale identification, beach cleanups, water quality monitoring, collecting…

A rare image of a landing ship (LST-1078) putting troops and tractors ashore, Mā`alaea Bay. (Bishop Museum)…

The majority of the collective waters in national marine sanctuaries are open to recreational fishing, providing opportunities for anglers of all ages and fostering a sense of responsibility for America's great outdoors. Did…

Creating a habitat ecosystem map of the seafloor is a tricky process. Learn how it works in this two-minute video.

An ocean glider is an autonomous underwater vehicle used to collect ocean data. Scientists are now experimenting with using gliders to locate populations of spawning fish. The glider shown in this video is outfitted with an acoustic…

Remotely Operated Vehicles provides scientists with "eyeballs" beneath the water to see the health of the ecosystem.

On March 28, 2015, NOAA Ship Nancy Foster deployed an autonomous glider off the eastern coast of St. Croix. Diving down to depths of 656 feet, the glider moved westward along the southern edge of the shelf break. On the fifth day,…

FOR IMMEDIATE RELEASEDec. 10, 2014 Contacts:Sarah Marquis, NOAA, 949-222-2212 Vernon Smith, NOAA, 301-713-7248 NOAA and its partners…

FOR IMMEDIATE RELEASE Febuary 3, 2015 Contacts: Shelley DuPuy, NOAA, 409-621-5151 ext 106 Vernon Smith, NOAA, 301-713-7248 …

In this video message, NOS Assistant Administrator Nicole LeBoeuf shares a major advancement in NOAA’s capability to predict high tide flooding that is available for public use. Learn more…

National Ocean Service: Positioning America for the Future Coastal watershed counties were home to 163.8 million people in 2010, approximately 52 percent of the United States population. This number is expected to increase by…

FOR IMMEDIATE RELEASE Febuary 25, 2015 Contacts: Sarah Marquis, 949-222-2212 NOAA’s Office of National Marine Sanctuaries…

FOR IMMEDIATE RELEASE March 12, 2015 Contacts: Keeley Belva, 301-643-6463Sarah Marquis, 949-222-2212 Cordell Bank and Gulf of the…

A stingray filmed by Remotely Operated Vehicle near St. Thomas, U.S. Virgin Islands, during a Caribbean coral reef mapping expedition in April, 2015.

A large group of invasive lionfish near St. Thomas, U.S. Virgin Islands, filmed during a Caribbean coral reef mapping expedition in April, 2015. During the 2015 Caribbean mapping expedition, 135 lionfish were spotted during a total of 26…

Mariners can breathe a little easier when sailing in and around Naval Base Kitsap in Washington state. The base is now fitted with a NOAA system that helps ensure safe and efficient marine navigation. The technology is part…

December 2014 The Ocean Guardian team (Seaberry Nachbar and Naomi Pollack) receive the Sea to Shining…