| Sea (154) |  |
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| Seabed (54) | |
There may be plenty more fish in the sea but not the ones we're used to eating.
which employs the temperature difference between cooler deep and warmer shallow sea waters to generate electricity.
The system is called ECO Exhaust Gas Cleaning (ECO-EGC#)for its ability to remove major pollutants from the exhaust gases at any operating condition of a shipt sea, during maneuvering and in port.
The IMO global sulfur limits for seas other than specifically designated ECAS are currently 3. 5 percent
and another to use seawater to crubsulfur compounds from the exhaust gases. Though widely used on land, the system incorporation in oceangoing vessels is considered a significant advancement in environmental technology.
and run decision-support systems with commercial viability that could aid industrial and governmental agencies in sea state pollution monitoring spill response and other aspects of ocean management.
Because the country like the U s. West Coast is on a continental shelf that drops off quickly in the sea this has required developing new floating turbine technology.
The Intergovernmental panel on climate change predicts that the region will experience rising sea levels, an increasing number of extreme weather events including storms and drought and more frequent wild fires,
Its river rises dramatically with the sea tides, putting local citizens at risk. Mark Robinson a Senior Coastal Advisor,
oston has some good sea defences, but theye not high enough. So when the surge comes through it means the walls can get over-topped,
They occur as a result of earthquakes, usually at the bottom of the sea. But at present such earthquakes cannot be foreseen.
The foundation of INCAM is an exhaustive environmental inventory of the country on land, in the sea and, most importantly, along the coast."
and cost-effective system to transport fresh water by sea using flexible plastic containers water-bags towed by a tugboat.
or folding) during its sea voyage. A water quality sensor to assess water purity has been tested in a laboratory with the intention of being fitted to water-bags in the future to ensure safe and clean delivery after transit.
Langdon says it can be cultivated anywhere that there is"a modest amount of seawater and some sunshine."
They can now produce current from contact between waterâ##sea water tap water and even distilled waterâ##and a patterned polymer surface.
The cosmic microwave background is a sea of photons (light particles) left over from the big bang that pervades all of space at a temperature of minus 270 degrees Celsiusâ##a mere 3 degrees above absolute zero.
For example NOAA relies on acoustic waves to send data from tsunami sensors on the sea floor to surface buoys.
deep under the sea. That finding is more likely than the one that suggests the rocky pillars dotting Icelandâ#Skaelingar valley were tossed projectiles into the fields by warring trollsâ##a theory University at Buffalo geologist Tracy Gregg heard from a tour guide and local hiker.
This has implications for the way we view volcanic risk. eep-sea basalt pillars form
when columns of super-heated water rise between pillows of lava on the ocean floor cooling the molten rock into hollow pipe-like minarets.
and seen these things deep under the sea so I was just hysterical saying â##Look at these!'
'n the future Gregg says scientists could hunt for land-based lava pillars near oceans to learn about the height of ancient seas
##and very strongâ##skeletons of organisms such as sea sponges. The nanoscale building blocks display remarkable strength and resistance to failure despite being more than 85 percent air.
Scientists have suspected long that the difference between natural materialsâ##like sea sponge skeletonsâ ##and manmade products constructed from similar materials has to do with the hierarchical architecture of the biological materialsâ##the way the silica-based skeletons are built up from different structural elements some
These are the first direct measurements of individual responses for any baleen whale species to these kinds of mid-frequency sonar signals says Brandon Southall SOCAL-BRS chief scientist from SEA Inc
and rock chunks into wooden molds immersed in seawater. Rather than battle the marine elements Romans harnessed saltwater
and shipping declined the need for the seawater concrete declined#Jackson says.##You could also argue that the original structures were built so well that once they were in place they didn need#t to be replaced.#
but there would also be no danger of sea creatures being cut by propellers. Interestingly enough the German researchers aren't the only people currently developing such systems.
such as the harvest date. here been a very rapid sea change in consumer behavior, said Elliott Grant, the chief marketing officer for Harvestmark. ith very high-profile food recalls, cellphones and iphones,
This particular sea creature can create up to 10 microamperes of electricity for anywhere from five to 24 hours.
and are affected by, among other things, tides and the geography of the ocean floor. It is complicated a mix. he computer simulation of fluid dynamics has changed dramatically in the last 5 years,
autonomous robotic systems on land, sea, and air; technologies that have to do with crunching all the data that you get from all these things those are the weapons you need to have with you going into the next competitive battles
#U s. Navy develops technology to turn seawater into fuel The U s. Navy scientists believe they may have solved one of the world great challenges after decades of experiments.
They know how to turn seawater into fuel. The development of a liquid hydrocarbon fuel could one day relieve the military dependence on oil-based fuels
and hydrogen gas from seawater. The gasses are turned then into a fuel by a gas-to-liquids process with the help of catalytic converters. or us in the military, in the Navy,
Developing a game-changing technology like this, seawater to fuel really is something that reinvents a lot of the way we can do business
. or the first time wee been able to develop a technology to get CO2 and hydrogen from seawater simultaneously.
As planned by the lamplight Ambio consists of a transparent tube filled with artificial sea water
Many scientists have assumed that bottom feeders get most of their energy from tiny particles of organic matter that settle on the seafloor.
instead that at least half or more of all the fish living on the seafloor might get their energy from animals that migrate each day between the surface and deep water like jellyfish cephalopods and small fish.
But when they get eaten close to the seafloor by animals that never come to the surface all of the carbon these roving fish were packing gets locked down at the bottom of the ocean Trueman explained.
or anchor machines to the seafloor, researchers say. The robotic digging machine, dubbed Roboclam, takes cues from the prolific burrowing abilities of the Atlantic razor clam (Ensis directus),
10 Scariest Sea Creatures The one-of-a-kind Exosuit on display at the American Museum of Natural history (AMNH) now through March 5 measures 6. 5 feet (2 meters) tall
The molecules were positioned to create speckled patterns that would result in a holographic'S'.The sea of electrons that exists naturally at the surface of the copper layer served as their illumination.
and rays produced calcium carbonate in their guts to rid themselves of excess calcium ingested from seawater.
Fish make calcium carbonate by combining calcium from seawater with carbonate ions generated from CO2 in their bodies.
000-5, 000 metres above sea level, yarsagumba (Ophiocordyceps sinensis) is prescribed in traditional Chinese and Tibetan medicine for a wide range of conditions including impotence, asthma and cancer.
Being denser than typical seawater, it sinks to the depths and then moves north in sluggish currents that spread across the globe.
two others were found in the Ross Sea and along the Ad#lie Coast of East Antarctica in the 1960s and 70s.
Polynyas are regions of open water near sea ice that are kept from freezing by wind and currents that sweep newly formed ice away.
because most of the salt in sea water is expelled as it freezes. Armed with the hypothesis that the missing source might be such a polynya,
the researchers moored instruments on the seabed, hoping to spot the descending current. In addition, they relied on data from elephant seals (Mirounga leonina) tagged with instruments that monitor ocean conditions."
the stability of the Antarctic ice sheet and changes in sea level, says Richard Alley, a geophysicist at Pennsylvania State university in University Park,
sea levels could rise#owing to the fact that water expands as it warms #and temperature changes could affect deep-sea ecosystems s
More impressively, the method allowed the authors to determine the structure of miyakosyne A a chemical made in very small quantities by a species of sea sponge.
and a deep-seabed-mining consultant. The venture could add#40#billion (US$60#billion) to the UK economy over the next 30#years,
Cameron s government sponsored Lockheed s claim to the 58,000-square-kilometre potential mining site through the company s subsidiary UK Seabed Resources in London.
The International Seabed Authority in Kingston Jamaica, which granted the exploration rights, has granted also claims in the region to several other countries,
Polymetallic nodules form over thousands of years on the sea floor, through processes that are still not fully understood;
and the founder of Seaminr, a seabed-mining consultancy in Urbanna, Virginia. PAUL JACKMAN/NATUREHARVESTING nodules is technically easier than mining the mineral-rich remnants of non-active hydrothermal vents on the sea floor,
a proposal that has garnered also attention (see Nature 447,246-247; 2007). ) Nodules rest unattached, and often visible, in seafloor sediments,
so obtaining them would not entail grinding up rocky seafloor crust. Lockheed has released not specific plans,
but the general scheme for harvesting uses a device that moves along the sea floor, vacuuming or raking up nodules.
The equipment would grind down the nodules to create a slurry that would be pumped to ships
and then transported onshore for processing (see Wealth from the sea). The most lucrative product would probably be nickel,
A study at a nodule plain off Peru found that seafloor communities showed limited recovery after disturbance
) Craig Smith, a deep-sea biologist at the University of Hawaii at Manoa, will lead an initial assessment of seafloor life for Lockheed s project, gathering baseline data for the potential harvest zone
#Life found deep under the sea For the first time, scientists have discovered microbes living deep inside Earth s oceanic crust#the dark volcanic rock at the bottom of the sea.
where rising lava meets sea water and cools. The newborn rock#mostly basalt#is pushed away from the ridges
the team heated the rock samples to 65#C in water rich in chemicals found on the sea floor.
The giant craters are similar in size to seafloor pockmarks created by methane gas explosions. However
#Squirting moons face off in race to find alien life Icebound seas just keep getting hotter at least as candidates for life beyond Earth.
The constantly gushing geysers would let us easily sample those seas making Enceladus a prime target for a life-seeking mission says Cassini scientist Carolyn Porco.
New gravity readings suggest it hosts a subsurface sea the size of Lake superior at its south pole
Both findings boost hopes that the sea hosts life. The result comes hot on the heels of the discovery late last year that a second icy moon Europa
Most astronomers thought that the plumes force their way out through cracks in an icy crust sitting over a sea of liquid water.
But until now no one knew how deep that sea went. Luciano Iess at the Sapienza University of Rome in Italy and his colleagues used radar On earth to track Cassini on three separate fly-bys of Enceladus
That could be explained by a localised sea sitting beneath 35 kilometres of ice and up to 8 kilometres deep.
The subsurface-sea idea is just the simplest possible interpretation of the gravity data cautions William Mckinnon at Washington University in St louis who was involved not in the work.
If the sea exists there is the question of how long it has been liquid and whether it might eventually freeze
As for the possibility of the sea freezing completely it is true that Enceladus is losing a lot of heat to space
Could the plumes deplete the sea completely? Probably not. Even if they continue at the current rate the moon would only have lost 30 per cent of its water by mass
The crew of the final Apollo mission lifted off from the moon's Sea of Serenity on 14 december 1972.
Launched on 2 december the Chang'e-3 mission touched down on a 1160-kilometre-wide basin known as the Sea of Rains.
As countries develop their space programmes the moon is a natural first foray beyond Earth that allows remote-controlled robots to get their sea legs
cable can be deposited on the seafloor in straight lines, or in meandering, coiling patterns. f the boat is sailing slower than the rate of the cable,
as a ship sails, the height of the ocean floor relative to the surface is changing all the time,
In the 2010 Deepwater horizon oil spill in the Gulf of mexico for example large amounts of dispersants and de-emulsifiers were dumped into the sea.
crews sprayed seawater on the reactors to cool them to no avail. One possible reason:
a laboratory usually devoted to studying fuel cellshe kind that run on methane or hydrogened by Shriram Ramanathan, Associate professor of Materials science at the Harvard School of engineering and Applied sciences (SEAS.
He completed the research as a postdoctoral fellow in Ramanathan's lab at Harvard SEAS
After that, he ground salt and magnesium, both very common elements found dissolved in sea water into the purified quartz.
The discovery shouldn't affect our forecasts future sea level in itself but it does highlights that we still don't know everything about the surface of our own planet.
His team has shown that the population of Adelie penguins breeding on nearby islands dropped 30 percent over the last three decades a decline related to a suite of environmental changes such as less summer sea ice less krill
Rather than try to isolate individual virus species from a sample there are up to 10 billion viruses in a liter of seawater Breitbart extracts all the genetic material present chops it into smaller pieces and sequences those pieces simultaneously.
#Navy Demonstrates Swarm Of Armed Robot Boats Call them sea drones dronaughts or roboats the Navy demonstrated a swarm of remotely-controlled boats on the James river In virginia this August.
In the demonstration the Navy boats first escorted a high value unit simulating a ring of robotic bodyguards around a vessel in a narrow part of the sea.
If the trend on the sea is moving away from crew (as seen in both military
#Satellite data Maps Sea floor's Hidden Depths While many detailed maps exist of Earth s continents
So far only 10 percent of the seafloor has been mapped at high resolution leaving researchers pretty eager to know what s going on in that other 90 percent.
and NASA s Jason-1 the scientists have created stunning maps of Earth s entire seafloor bringing to light mountains
Let s say you have a volcano on the ocean floor that is 2000 meters tall Sandwell explains.
That perturbation is expressed in the sea surface as a bump. By mapping out all the bumps and indentions in the water the researchers had a pretty good snapshot of the variations in the Earth s crust.
These ships which are responsible for mapping the 10 percent of the ocean s floor that s been mapped so far use specialized sonar systems called multibeam echo sounders to acquire detailed depth information of the seafloor.
Sandwell notes that their maps improve upon seafloor images from the 1990s which were created using older satellite imagery.
and fracture zones that had never been seen before they only captured areas of the seafloor that were relatively young
His dream is for the entire seafloor to be mapped at high resolution. That 10 percent of high resolution that s been mapped#it s about the same resolution of
We know more about these other planets than we know about the sea floor. We need to try to make high resolution maps everywhere.#
It's true that the extent of Antarctic winter sea ice has grown over the past few years.
is a much more likely reason that there's a bit more sea ice encircling the South pole e
which will be tracked using a new seabed and USV receiver. Further information about the project available at the project#s official page.
and unloading and the corrosive properties of seawater all take their toll on a vessel#structure.
which are filled with seawater to compensate for weight changes as cargo is loaded and unloaded. Located between the outer hull and the cargo holds
a major greenhouse gas, is increasingly impacting oceans around the world, making waters more acidic and threatening sea life.
In a seawater solution the micromotors removed 88 percent of the carbon dioxide in the same timespan. n the future, we could potentially use these micromotors as part of a water treatment system,
One key impact of rising CO2 levels is seen in the ph of ocean watershe global sea surface has been acidified by roughly 0. 1 units
and accelerates the pace of global sea level rise. This study, the first to look comprehensively at the health of the Larsen B remnant and the glaciers that flow into it
and the glaciers will rev up for their unhindered move to the sea. Located on the coast of the Antarctic Peninsula, the Larsen B remnant is about 625 square miles (1, 600 square kilometers) in area and about 1, 640 feet (500 meters) thick
The team members came from Boston Children, the Wyss Institute for Biologically Inspired Engineering at Harvard university, the Harvard John A. Paulson School of engineering and Applied sciences (SEAS),
The nanowires create a sea of electrons that produces lasmondensity waves, the oscillations in the density of electrons that are generated
A sea change Advances from the mechanization in the 1920s and the Green revolution from 1940-1960 have largely been exhausted.
Lewis is the Hansjörg Wyss Professor of Biologically Inspired Engineering at the Harvard John A. Paulson School of engineering and Applied sciences (SEAS) and a Core Faculty member at the Ywss Institute for Biologically Inspired Engineering at Harvard.
by helping clean seas while swimming, one stroke at a time. The team began development on the material four years ago for applications such as cleaning up oil spills
with any shape and form of swimming outfit, can contribute to the cleanliness of the seas by a sports activity or simply a leisurely summer vacation
The biomolecule sorting technique was developed in the laboratory of Joanna Aizenberg, Amy Smith Berylson Professor of Materials science at Harvard School of engineering and Applied sciences (SEAS) and Professor in the Department of chemistry and Chemical Biology.
The authors say that the system could provide a means of removing contaminants from waternd even be tailored to enable energy-efficient desalination of seawater.
a Core Faculty member at the Wyss Institute for Biologically Inspired Engineering at Harvard university and the Amy Smith Berylson Professor of Materials science at Harvard School of engineering and Applied sciences (SEAS), has developed an entirely new,
and extended use,"said the study's lead author Xu Hou, Ph d.,Research Associate at the Wyss Institute and SEAS."
"said co-author Alison Grinthal, Ph d.,Research Scientist at Harvard SEAS.""Basic fluid mechanics dictate the precise extraction and output of a wide variety of liquid and gas mixtures according to easily-calculated pressure adjustments."
who is also the Judah Folkman Professor of Vascular Biology at Harvard Medical school and Boston Children's Hospital and Professor of Bioengineering at Harvard SEAS."
Researchers from Harvard John A. Paulson School of engineering and Applied science (SEAS) have developed a new system that can produce stable, amorphous nanoparticles in large quantities that dissolve quickly.
the aggregates appear as tiny bright spots in a sea of black: bright where the liquid crystal has been disturbed to let light pass."
They are able to grow in seawater, and their strong, stilt-like root systems allow them to thrive in swamps, deltas or coastal areas.
New CRISPR-Cas9 strategy edits genes 2 ways The CRISPR-Cas9 system has been in the limelight mainly as a revolutionary genome engineering tool used to modify specific gene sequences within the vast sea of an organism
when he observed the Indus river merging with the sea. He noted that"round globules filled with water"floated on the seawater and formed when the freshwater detached sand from the sand banks."
"Burnes probably didn't think they could be used to help develop a therapy for spinal cord repair,
The crew is part of the University of Hawaii's fourth Hawaii space exploration analog and simulation (HI-SEAS) mission,
all the action was in the sea and it was pretty small scale, said James Lamsdell of Yale,
securing turbines to the seafloor, and operating in fewer periods of fair weather. The harsher offshore environment not only makes it difficult
global sea level rise. e are excited very that World Wide Views on Climate and Energy is being organized
The micromotors were just as effective in a sea water solution and removed 88 percent of the carbon dioxide in the same timeframe."
but landing at 12 miles (20 km) above sea level will make space flight more like taking a passenger jet.'
boulder-strewn or otherwise irregular terrain Ship landings in violent sea states For example, the landing gear is designed to let a helicopter touch down on sloping terrain up to 20 degrees,
The agency is hoping to build on its automated mid-air refuelling technology alongside the sea based platforms for capturing drones as they come into land.
Engineers at Harvard's John A Paulson School of engineering and Applied science (Seas) have been working on the Robobees for several years.
Researchers at the Harvard John A. Paulson School of engineering and Applied sciences (SEAS) have done just that, designing the first on-chip metamaterial with a refractive index of zero,
researchers at the Harvard John A. Paulson School of engineering and Applied sciences (SEAS) have demonstrated a way to make steel stronger, safer and more durable.
when he observed the Indus river merging with the sea. He noted that"round globules filled with water"floated on the seawater and formed when the freshwater detached sand from the sand banks."
"Burnes probably didn't think they could be used to help develop a therapy for spinal cord repair,
and its first sea crossing of its historic round-the-world trip. The Solar impulse 2 touched down at Ahmedabad airport in Gujarat about 16 hours after it took off from Muscat, Oman, for the 1,
Other climatic shifts, including rising seas, could cost the state billions of additional dollars in property losses and infrastructure damage.
and as much as $20 billion of California real estate will be entirely below sea level by 2100. limate change is a dire challenge facing California
According to principal investigator Federico Capasso, the Robert L. Wallace Professor of Applied Physics and Vinton Hayes Senior Research Fellow in Electrical engineering at Harvard SEAS, omplicated effects like color correction,
Bright screens attached to waving arms looked like some kind of extraterrestrial seabed or the luminescent Tree of Souls in Avatar.
furthermore as physical directions, like staying an explicit distance higher than the seafloor. Using the system devised by the university team,
and the Sea of Japannd found that proteins with self-healing properties are ubiquitous. However, he yield of this proteinaceous material from natural sources is low (about 1 gram of squid ring teeth protein from 5 kilograms of squid)
The shipping industry uses sonar to acquire information about the seabed or shoals of fish,
when he flew too close to the sun. The mythological character fell into the sea and drowned.
expelled into the sea.""Carbon dioxide is 15 percent of the gas coming off a power plant,
Removing salt and other minerals from our biggest available source of water--seawater--may help satisfy a growing global population thirsty for fresh water for drinking, farming, transportation, heating, cooling and industry.
"The material could help improve coatings used to protect surfaces from the build up of biological contaminants, particularly surfaces under the sea.
because the additives in the coatings break down rapidly in sea water. Vasantha team applied the new coating to glass slides
which they then immersed in the sea for two weeks. he antifouling behavior of coatings is tested normally in laboratory experiments,
including seawater desalination and wastewater reclamation. He says that osmotic agents often have to be at concentrations exceeding 100 millimolar to drive water movement in forward osmosis nanofiltration. f a proton gradient is used as the driving force instead,
Lewis is a Core Faculty member at the Wyss Institute for Biologically Inspired Engineering at Harvard university and the Hansjörg Wyss Professor of Biologically Inspired Engineering at the Harvard John A. Paulson School of engineering and Applied sciences (SEAS.
Lewis and her team designed a new multimaterial printhead based on active mixing, Her team included Thomas Ober, former Postdoctoral Research Scholar at the Wyss Institute and SEAS;
In addition to Hardin, the work included Ober, former SEAS Postdoctoral Research Fellow and current Wyss Staff Scientist Alexander Valentine,
researchers at the Harvard John A. Paulson School of engineering and Applied sciences (SEAS) have demonstrated a way to make steel stronger, safer and more durable.
the aggregates appear as tiny bright spots in a sea of black: bright where the liquid crystal has been disturbed to let light pass. he liquid crystal is actually reporting what happening to the aggregates at the interface,
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