Articles tagged with Ships
A catastrophic megaflood separated Britain from France hundreds of thousands of years ago, carving a massive valley along the English Channel. The flood reorganized river drainages in north-west Europe, affecting early human occupation in Britain and potentially leading to an abrupt halt in migration.
Double cycling, a technique that loads and unloads ships simultaneously, has the potential to increase port efficiency by up to 20% and reduce crane trips by half. By loading and unloading containers at the same time, trucks can drop off one container while picking up another, reducing the need for additional truck trips.
A team of Texas A&M researchers is recovering artifacts from a 200-year-old shipwreck in the Gulf of Mexico, making it the deepest such recovery effort ever attempted. The vessel's identity and origin remain a mystery, but analysis suggests it was likely from the late 1700s or early 1800s.
Researchers found that ancient Athenian rowers would have matched up well with modern-day athletes in terms of endurance. The study suggests that ancient Greeks may have had a more efficient way of rowing, or were extremely fit, to power their warships at high speeds.
A recent study assesses the effectiveness of available technologies for detecting nuclear devices at ports, highlighting significant vulnerabilities in current security measures. The authors propose an 11-layer security system and estimate a detection rate of 90% would require substantial investments.
Scientists from Woods Hole Oceanographic Institution analyzed antique whale oil samples from the Charles W. Morgan, discovering 11 halogenated organic compounds similar to toxic industrial HOCs.
The M/V Susitna will operate as a ferry between Anchorage and Port Mackenzie, while also being used as a technology demonstrator for the Navy's expeditionary warfare concepts. The vessel features a unique hull design with adjustable buoyancy and multiple modes of operation.
A University of Houston team, with a NIH grant, is creating a quick, accurate test for the 'Cruise Ship Virus' using retroreflectors and antibody proteins. The tool has the potential to diagnose diseases like Norwalk more easily and may be applied to other infectious diseases.
The report highlights successful environmental and cultural management in popular cruise destinations, including philanthropic funds for local communities and scientific laboratories on ships. It also provides recommendations for how stakeholders can work together to minimize negative impacts while promoting conservation.
Researchers discovered ancient ship timbers at Wadi Gawasis site, dating back approximately 4,000 years, indicating a 2,000-mile round-trip voyage to Punt, a southern Red Sea trading center. The findings confirm the Egyptians had the naval technology to travel long distances by sea.
Devices called PALs can detect sounds coming from ships, whales, volcanic eruptions, rainfall, and breaking waves. By analyzing these sound sources by frequency, researchers can create a 'sound budget' that helps establish noise regulations for different ecosystems.
A novel autonomous underwater vehicle (AUV) has photographed the ancient Greek shipwreck on the ocean floor, revealing detailed images of cargo remnants. The project marks a significant milestone in underwater archaeology, using advanced technology to survey and map shipwrecks with unprecedented accuracy.
A Norwegian missile torpedo boat operated high-frequency transmitters, increasing the risk of birth defects in its employees' children. The study found a significant association between exposure to these transmitters and an increased risk of congenital anomalies.
The Office of Naval Research has developed a technology that allows binoculars to transmit digital voice over long distances, up to five nautical miles. LightSpeed can also be used for communication between ships at sea and platforms in the air and on the ground.
Researchers used genetic data and computer simulations to reveal that moon jellyfish migration post-dates European global shipping and trade. The study found that up to 23% of marine species in international harbors are non-indigenous, posing threats to ecosystems and causing billions of dollars in damage.
Scientists on a remote expedition are working from a Seattle command center while exploring the Lost City vent field, which includes an 18-story vent taller than any seen before. Researchers aim to determine if microbes thrive in mantle rocks and could discover new life forms.
The North Atlantic right whale population is critically low, with estimates suggesting only 350 individuals remain. Human activities such as shipping and fishing are major contributors to the decline, resulting in numerous deaths and entanglements that threaten the species' survival.
The North Atlantic right whale population is in a state of crisis, with 50 whales reported dead since 1986, mainly from human activities like ship collisions and entanglement in fishing gear. To prevent extinction, researchers recommend emergency measures such as reducing ship speeds and eliminating fixed fishing gear.
The North Atlantic right whale is facing extinction due to the failure of government protections, with at least 50% of deaths attributed to ship collisions and fishing gear entanglements. The species has seen a significant increase in mortality rates over the past 16 months, including six adult females with near-term fetuses.
Researchers developed an artificial shark skin made of elastic silicone, reducing contact surface for barnacles to attach. This technology enables ships to 'self-clean' and reduces fouling by 67%, providing an alternative anti-fouling strategy crucial for the naval industry.
Researchers found well-preserved cedar timbers, curved steering oars, and limestone block-anchors from ancient Egyptian ships. The discoveries shed new light on Egypt's sea-faring past and provide insight into trade expeditions to the Red Sea region known as Punt.
Researchers at the Naval Surface Warfare Center developed a method to process contaminated plastic waste, leading to the creation of the Plastics Waste Processor. The device has been installed on over 650 Navy ships and has improved the sustainability of naval operations.
Researchers found that small sections of the ocean floor may be rotating like imperfectly meshing cogs, contradicting previous expectations. The discovery provides new insights into the evolution of complex plate boundaries and has significant implications for our understanding of plate tectonics.
Nayfeh has made significant contributions to the field of nonlinear dynamics, including developing a new methodology for controlling ship motions and analyzing acoustic waves in aircraft engine-duct systems. His work has improved the understanding of complex phenomena such as subharmonic and superharmonic resonances in ships and boats.
A Texas A&M University professor has developed a detailed wave prediction system that provides forecasts for two days ahead. The system uses data from NOAA and complex mathematical models to predict wave conditions, including height and timing.
The massive iceberg B-15A poses no obstacle to the resupply ships at McMurdo Station, with the U.S. Coast Guard icebreaker Polar Star on track to clear a channel through the sea ice. NSF has arranged for a backup icebreaker to assist if necessary.
A new theory proposes that a coal fire in the Titanic's coal bunker may have led to its high-speed sailing through an iceberg field. The theory, presented by Dr. Essenhigh, suggests that the crew was trying to control and extinguish the fire before reaching port.
A new study suggests that cruise ship living could be an attractive option for seniors who enjoy travel and require some assistance with daily activities. The research found that cruise ship living results in higher quality care over a 20-year period, despite being $2,000 more expensive than traditional assisted living facilities.
A new study published by the American Physical Society finds that boosting-phase defense systems have significant limitations, making them impractical against many potential threats. The report highlights issues with timing and range, limiting the effectiveness of boost-phase defenses.
The Texas Automated Buoy System (TABS) uses nine buoys to predict oil spill movements, saving the state up to $250,000 in cleanup costs. The buoys also aid in locating ship passengers lost overboard and helped retrieve the Ehime Maru, a Japanese vessel sunk by a U.S. submarine.
The Navy is developing a new radio frequency concept, AMRF-C, to enable a limited number of transmit and receive antennas to handle multiple communications, radar, and electronic warfare functions. The goal is to reduce costs and improve performance by leveling so-called 'antenna forests'.
Dr. Ballard and his team will map the ship and conduct scientific analyses of its deterioration, assessing the impact of manmade factors on natural decay. They'll also study microbial research and examine the effects of tiny microbes on the ship's hull.
Scientists can now spend an unlimited amount of time on the bottom of the ocean, sharing observations in real-time with colleagues worldwide. Internet2 technology was tested during a Black Sea expedition, allowing for the transmission of underwater video images and acoustic signals.
Fuel cells offer improved efficiency, low emissions, and design flexibility for naval vessels, slashing shipbuilding costs. The Navy's ONR is testing a diesel fuel reformer to develop a proton exchange membrane (PEM) fuel cell, which will be capable of between 37-52 percent efficiency.
The University of Delaware has launched a new, 146-foot coastal research vessel to replace its aging ship, Cape Henlopen. The vessel will feature state-of-the-art modular design and clean operation, meeting international underwater noise standards.
A study by Cardiff University predicts a current annual shortfall of UK ex-seafarers as much as 112. This shortage could lead to higher wage bills for shipping companies, reduced quality of employment, and less incentive to train cadets. The shipping industry has traditionally supplied skilled labor to shore-based industries.
The new HROV will allow scientists to conduct routine research in the world's deepest ocean areas, mapping and surveying seafloor for up to 36 hours on battery power. The vehicle's advanced fiber optic micro cable enables real-time communication and maneuverability at unprecedented depths.
New analysis suggests earthquakes in the Wadati-Benioff zone are confined to the uppermost part of the Juan de Fuca plate's crust, limiting their magnitude to around 7. However, a quake occurring in both layers could reach a magnitude of 8, posing a risk to the heavily populated Interstate 5 corridor.
A 1700 Cascadia earthquake is supported by a Japanese shipwreck and tsunami records from five other towns, suggesting the event was a magnitude 9 earthquake off the Washington coast. The shipwreck's nautical account and tsunami-related deaths confirm its validity.
Ohio State University researchers developed a three-tiered biowarfare agent detection system for Navy ships, using portable hand-held assays and polymerase chain reaction (PCR) tests. This allows for quick detection of suspected biological agents, enabling medical personnel to provide timely treatment.
A team of Marine Corps reconnaissance swimmers, Navy SEALS, Explosive Ordnance divers, dolphins, and REMUS worked together to clear mines from Iraq's port. REMUS successfully located potential targets, allowing the dolphins to inspect and report back on its findings.
Researchers have developed a portable CT scanner that enables real-time, on-site analysis of gas hydrates in core samples, revolutionizing the search for alternative energy sources. The innovative system uses a medical CT scanner and reduces its size to analyze hundreds of x-ray scans into one high-resolution image.
Researchers at Cornell University have developed a non-toxic paint that effectively prevents marine fouling by creating a self-cleaning surface. The hydrophilic and hydrophobic materials, tested by the ONR and other collaborators, deny bacteria a compatible surface to grow on, reducing fouling.
A study of multinational crews found they work effectively when conditions are right, with good relationships between ethnic groups. However, communication is the main challenge, leading to loneliness and isolation if crew members don't speak the ship language fluently.
The US Navy is developing new antifouling hull coatings inspired by nature, using complex nanometer-scale patterns to prevent barnacles from attaching. These coatings have shown exceptional low settlement rates in early experiments, promising a reduction in fuel costs and frequent cleaning needs for Navy ships.
A study by the Center for Advancing Health found that regular inspections can significantly reduce diarrhea outbreaks on cruise ships. The inspection pass-fail mark of 86 percent is linked to a lower incidence of gastrointestinal symptoms.
The Office of Naval Research (ONR) is developing an Advanced Multi-Function Radio-Frequency Concept (AMRF-C) antenna aperture that can integrate radar and communications functions, reducing the need for separate antennas and increasing stealth.
Researchers from the University of Houston are using a $3.2 million grant to develop computer models tracking dioxin movement through the environment. The study will provide critical data for regulatory agencies to implement plans reducing pollutants and achieving minimum water quality standards.
The US Navy is funding a diverse range of international science programs to address key security challenges. These programs focus on developing advanced technologies such as artificial intelligence, underwater swimmer detectors, and blast-resistant structures to support anti-terrorism and force protection efforts.
A new nanoparticle coating developed by researchers at Washington University in St. Louis mimics the natural properties of dolphin skin to prevent biofouling on ship hulls. The coating's complex surface features make it difficult for marine organisms to attach, reducing friction and drag.
The Navy is exploring the use of HSLA-65 steel in its next-generation aircraft carriers to reduce weight and increase service life. Preliminary calculations suggest that this new steel can provide equal or greater service life than traditional high-strength steel, but be thinner and weigh less.
A St. Louis chemist has won a national award for developing innovative materials, including durable ship coatings that repel barnacles without polluting the environment. Her research also explores degradable polymers for medical applications, such as transporting cancer drugs to their targets.
Researchers created mice lacking SHIP gene to understand how bone forms and breaks down in diseases like JPD. The study reveals that mice with deficient SHIP develop osteoclasts similar to those found in humans with JPD, leading to severely osteoporotic conditions.
Researchers suspect that a six-armed brittlestar, common in shallow coral reefs, may have invaded the western Atlantic via ships over the past two centuries. Genetic markers indicate massive long-distance dispersal and recent mixing of populations from the Pacific and Indian Ocean, raising concerns about ecological consequences.
The LaserNet Fines instrument uses algorithms based on neural networking to analyze particulate matter, making accurate predictions with 97% accuracy. This technology has immense potential for improving the Navy's safety and readiness while reducing costs in multiple industries, including railroad, trucking, and construction.
Researchers used a new type of pedometer that measures body motion to estimate total daily energy expenditure (TDEE) in sailors. The study found that the pedometer technology provided accurate results, with a 95% confidence interval of +193 kcal/day.
A new study reveals that river traffic emits substantial nitrogen oxide, fine particulate matter, and sulfur oxides pollution, rivaling that of highways. The research, led by James J. Corbett, finds boat and ship emissions contribute significantly to regional air quality, particularly in the Columbia River Gorge National Scenic Area.
Researchers found that mice lacking the SHIP gene survived allogeneic bone marrow transplants without rejecting the graft or experiencing graft-versus-host disease. The study suggests a novel approach to preventing and treating this life-threatening reaction, potentially increasing the availability of bone marrow donors.
An ice-free Arctic would pose enormous implications for naval operations, requiring increased cooperation between nations, particularly the US, Canada, and Russia. The region's shorter routes from Europe to Asia could lead to increased transnational activity, international crime, and environmental challenges.
A study shows that deoxygenating ballast water can prevent the introduction of non-native aquatic species, which are responsible for significant environmental problems. This technique also reduces ship corrosion costs, estimated to save nearly $100,000 per year.