Articles tagged with Marine Engineering
A new study reports that SharkGuard, a shark deterrent device, significantly reduces the number of blue sharks and pelagic stingrays caught in tuna fisheries. The technology emits a localized electric field around a baited hook, discouraging sharks from biting without getting hooked on other fish.
Researchers found that a device called SharkGuard emits small electrical pulses to scare off sharks, reducing bycatch by up to 91% for blue sharks and 71% for stingrays. Further testing is needed to explore the effects on target species like bluefin tuna.
A new study models likely future cliff retreat rates of two rock coasts in the UK, finding that rock coasts are likely to retreat at a rate not seen for 3,000-5,000 years. The researchers predict that rock coast cliffs will retreat by at least 10-22 meters inland due to accelerating sea level rise.
Researchers discover two specific enzymes that assemble medium-chain fatty acids in marine microalgae Nannochloropsis oceanica, elevating MCT production and enabling customizable oils. The study paves the way for engineering industrial microalgae into efficient sustainable feedstock.
Scientists developed a novel multilayer coating to improve the longevity of steel, increasing its lifespan by up to 400 hours. The coating, comprising three layers, was found to provide higher resistance to rust than conventional Zn coatings.
The University of Miami Rosenstiel School has been awarded a $7.5 million grant from DARPA to develop innovative hybrid reef structures that can accelerate coastal protection in Florida and the Caribbean.
A newly installed deep-water pipeline has led to a significant increase in the abundance and diversity of marine life on the Angolan coast. The study found that the pipeline provided shelter and trapped organic matter, which animals feed on, resulting in an immediate boost to sea-floor animals.
Researchers discovered over 1,200 RNA viruses linked to carbon absorption on the ocean floor. The study suggests engineered viruses could be used as 'knobs' to control carbon storage, potentially slowing climate change.
Researchers at Chalmers University of Technology have developed a method to make shipping industry significantly greener by using hydrofoils to reduce water resistance. The new technology can increase the range of electric vessels and reduce fuel consumption by up to 80%.
Researchers evaluated the toxicological effects of BaP on bay scallops, finding increased immune response-related parameters with time at higher concentrations. The study suggests that BaP dampens the immune response of scallops and decreases their capacity to respond to oxidative stress.
Researchers found that over 99.6% of caught scallops were in pots with lights, and video footage shows the shellfish piling into the pots. This novel method could be a game-changer for sustainable seafood production and reduce environmental impact.
Researchers found that maintaining hard water reduces zinc accumulation and oxidative stress in goldfish, mitigating toxic effects. This study provides an eco-friendly approach to address aquatic ecosystem pollution caused by heavy metal contamination.
The Woods Hole Oceanographic Institution has developed a lightweight, compact marine winch designed to make crew operations easier and more efficient. The winch offers improved flexibility and is expected to be added to InterOcean Systems' product line.
The University of Plymouth is collaborating with Kongsberg Digital to develop a state-of-the-art simulator that will revolutionize the floating offshore wind sector. The new system will provide key insights into solutions increasing efficiency, safety, and cost effectiveness for industry professionals.
A three-year project funded by the National Science Foundation will use artificial intelligence (AI) to identify fossil shark teeth, including those of the extinct megalodon. The program aims to increase interest in STEM careers among middle schoolers.
A team of scientists from Korea Maritime and Ocean University has developed a novel synthesis route to produce a high-performance co-doped anode material for rechargeable seawater batteries. This breakthrough enables the creation of efficient and sustainable maritime applications, including emergency power supply for coastal nuclear pl...
University of Delaware professors Wei-Jun Cai and David Kirchman have been named AAAS Fellows for their important contributions to STEM fields. Cai was recognized for his work on the global carbon cycle and ocean acidification, while Kirchman was honored for his research on marine biosciences and microbial ecology.
Researchers from Korea Maritime & Ocean University found that using LPG as a marine fuel can reduce annual fuel consumption by 7.5-10.4%, fuel cost by 8.8-25.9%, and carbon dioxide emissions by 10-14%. The study also highlights the potential for promoting LPG as an eco-friendly alternative to traditional fuels.
Scientists have created a new protective coating using Al-Mg-Si alloy to resist corrosion in ships and marine facilities. The coating demonstrates improved corrosion resistance through a 'shielding effect', increasing the economic life of steel machinery.
Researchers estimate that 4.7 million cubic meters of large wood enter oceans annually, negatively impacting coastal and marine environments. The study aims to raise awareness about the consequences of interrupting this natural process.
The new Atlantic Marine Energy Center, led by UNH, will focus on wave and tidal energy conversion, as well as ocean sensing and aquaculture. The center aims to advance marine renewable energy technologies through research, education, and outreach.
Researchers developed a new anode material that prevents volume change in lithium-ion batteries, leading to improved cycle stability and rate capabilities. The material, composed of manganese selenide nanoparticles anchored in three-dimensional porous carbon nanosheet matrix, demonstrates superior electrochemical properties.
Researchers at Korea Maritime and Ocean University developed a new anode material for sodium-ion batteries by doping carbon with different atoms, improving electrochemical performance and reversible capacity. The findings have significant implications for the engineering of sustainable, inexpensive, high-performance batteries.
The Marine Technology Society has recognized a diverse group of individuals and organizations for their significant contributions to marine science and technology. The award winners include CAPT (Ret.) Craig McLean, Dr. Vladimir Ryabinin, CODAR Ocean Sensors LTD, and Dr. Manhar Dhanak, among others.
The Bay of Biscay has been identified as a hotspot for marine litter, with microplastics found in over 50% of water and sediment samples. The polymers most prevalent are polypropylene, polyethylene, polyester, and polystyrene, often originating from the breaking up of larger objects.
A team of FEFU scientists created software allowing industrial robots with technical vision to adjust movement trajectories in real-time without sacrificing precision. The new smart control method has improved accuracy by up to 0.5mm, a significant step towards overcoming current technology limitations.
MIT engineers have developed an algorithm that enables autonomous underwater vehicles to weigh the risks and potential rewards of exploring unknown regions. The algorithm assesses risk levels and reward probabilities in real-time, allowing AUVs to take calculated risks when justified by potential scientific rewards.
Researchers developed a new method to detect insect invaders using eDNA, while coral reef studies highlighted the importance of cultural values in conservation. Additionally, designers created fish-friendly architectural engineering designs for marine infrastructure, and a study examined the effects of oil sands on wildlife populations
Researchers studied ocean bacteria to understand how they find food and developed a mathematical model of their behavior. They found that fast-swimming bugs change direction frequently to target food, which could inspire the development of friendly bacteria engineered to diagnose and treat diseases like cancer.
A University of Houston researcher is investigating the effect of dispersants on bacterial movement towards oil spills, aiming to understand natural cleaning processes and inform future spill cleanup strategies. The study will answer fundamental questions about human intervention's impact on bacteria's role in biodegradation.
A new study by University of Plymouth found that educating children about marine litter improves their knowledge, attitudes, and behaviors towards reducing waste. Children who participated in the educational event were more concerned about the issue and encouraged family and friends to take action.
Researchers tracked Chilean devil rays using satellite tags, finding they dive as deep as 2,000 meters in search of food. The study reveals a new link between the surface and deep ocean, shedding light on these majestic creatures' habits.
Researchers at the Max F. Perutz Laboratories have developed a method for generating specific and inheritable mutations in the marine bristle worm Platynereis, enabling detailed in vivo functional analyses and advancing research in neurobiology, chronobiology, evolutionary developmental biology, and marine biology.
Researchers confirm that humpback whales in the southern Gulf of Maine are spending most of their time on the ocean floor, contrary to previous thought. The study revealed three distinct types of bottom-feeding behaviors, including simple side-rolls and seafloor scooping.
Researchers found that juvenile Atlantic salmon raised in enriched tanks with pebbles, rocks, and artificial plants outperformed those in standard tanks. The study suggests that creating more natural environments can boost fish intelligence and adaptability, leading to higher survivability when released into the wild.
The Micro Auto Gasification System (MAGS) can reduce a standard 50-gallon bag of waste to a half-pint jar of harmless ash. Developed by the Office of Naval Research, MAGS is environmentally friendly and fuel efficient, using thermally converted energy from biomass.
The Office of Naval Research (ONR) is investing $1.1 million in Advanced Placement (AP) math and science courses for military families in select high schools. The program aims to provide students with opportunities to earn college credit and pursue careers in the sciences.
The WHOI Ocean Science Journalism Fellowship program provides a one-week, residential experience for professional writers and producers to explore ocean research and its impact on climate change and human activities. Fellows gain access to new research findings and fundamental background information in various ocean disciplines.
The Navy plans to double its investment in STEM education over the next five years, aiming to inspire the next generation of scientists and engineers. The initiative will increase funding to more than $100 million by 2015, with a focus on under-represented communities.
A recent special edition of Ocean Engineering analyzes Hurricane Katrina's impact and provides lessons learned from an IPET study conducted between 2005-2006. The study assessed the performance of flood protection systems in affected coastal areas.
Gary Borisy, MBL director and CEO, has been elected to the National Academy of Sciences for his distinguished contributions to cell biology. He is a pioneer in the field, having discovered protein tubulin and provided insights into chromosome movement, cell motility, and microtubule dynamics.
The University of Miami's Rosenstiel School has awarded funding to Drs. Paquita Zuidema and Lisa Beal, who will use their grants to improve communication skills among scientists from underrepresented groups. Dr. Beal's workshop aims to foster international collaboration in the Southwest Indian Ocean community.
The Office of Naval Research has delivered the Gruntworks Research for Infantry Integration Testing (GRIIT), a virtual reality environment that improves the integration of infantry combat equipment. GRIIT employs 21 cameras using ONR-developed Video Flashlight technology to create an extremely realistic evaluation environment.
A new design for slope marine docks aims to minimize damage from strong waves, enabling them to withstand increased swells without breaking. This innovative solution, developed by Spanish engineers, has the potential to significantly reduce costs associated with construction, maintenance, and upkeep of maritime structures.
Researchers developed an unmanned seaplane, dubbed 'Flying Fish,' that can initiate and perform its own takeoffs and landings on water. The autonomous craft features a 7-foot wingspan and is designed for the Department of Defense's persistent ocean surveillance program.
Researchers at OHSU discovered a gene cluster in a marine bacterium that produces a bioactive molecule with anti-cancer properties, including activity against pancreatic and renal cancer. The team aims to engineer the production of bryostatins, promising compounds for cancer treatment.
A team of Stanford researchers conducted the first comprehensive survey of the USS Macon's final resting place, a 1,000-foot-deep site off Monterey Bay. The airship was one of only two 'flying aircraft carriers' ever built and went down in 1935 without seeing combat.
Researchers have discovered a bacterial adhesive that is 70 newtons per square millimeter strong, comparable to the downward force exerted by three cars. This finding suggests that the substance may be the strongest glue in nature, surpassing common commercial glues.
Jane Lubchenco, a leading marine ecologist, has received the Scripps Nierenberg Prize for Science in the Public Interest. The prize honors her work promoting ocean sciences and preserving all living things in our oceans.
Researchers successfully recovered a mooring from the seafloor near the North Pole, retrieving 3,500 pounds of instruments and equipment. The mooring was in place for a full year, eight times longer than the previous record, providing valuable data on the Arctic Ocean's climate and water conditions.
The new center, led by Dr. Theodor Krauthammer, will focus on research and development of methods to ensure building safety under terrorist bomb threats. Penn State will collaborate with other institutions to provide training programs for engineers, architects, and others on using the new technology.
The Bio-X program awarded nearly $3 million in grants to Stanford faculty for innovative biological projects, including a method to rapidly synthesize patient-specific vaccines and an interdisciplinary course on human pathophysiology. The grants aim to promote interdepartmental bioscience research and education in biology, medicine, co...
The world's growing demand for seafood may be met through aquaculture, but it will need significant advancements in biotechnology. Biotech is already improving aquaculture productivity, efficiency, and profitability, but more work is needed to bring fish production on par with other livestock.
TacMedCS is a tactical medical coordination system designed to expedite assessment, treatment, and transport of injured personnel. The system uses radio-frequency tags to store and transmit medical information, freeing up time for corpsmen to treat more patients.
The New York City Housing Authority will implement an integrated software and diagnostic monitoring system to optimize boiler plant operations. The program, DSOM, aims to increase reliability while reducing costs through real-time monitoring and alerts.
Researchers will use marine microorganisms to discover new chemical compounds with anticancer properties, acting through non-traditional mechanisms. The study aims to identify novel agents that can accelerate the drug development process and improve treatment options for cancer patients.
Engineers at Smart Fibres Ltd developed a smart mast that uses 'Bragg grating' strain sensor technology to monitor stresses and strains in composite materials. The technology has the potential for use in various industries, including aerospace and civil engineering.
The University of Hawaii has launched the Marine Bioproducts Engineering Center (MarBEC) with a $12.4 million NSF grant, aiming to develop 21st-century marine biotechnology businesses. MarBEC will draw on Hawaii's expertise and natural advantages in collecting and analyzing marine products and organisms to lay the groundwork for future...
The 2nd International Bioerosion Workshop will bring together experts in microboring, reef carbonate budgets, and modern/fossil collaborators. The workshop aims to exchange information, report on previous work, and continue discussion on the present state of knowledge of bioerosion.
The underwater laboratory Aquarius 2000 has been refurbished and upgraded with state-of-the-art communication and life support equipment. Science missions are set to resume in late March or April 1998, focusing on coral reef ecosystems and research on factors affecting their condition.