#Synchronous Computer Operates on Water Droplets Infused with Magnetic nanoparticles The computer is nearly a decade in the making,
Then they carefully injected into the mix individual water droplets that had been infused with tiny magnetic nanoparticles.
Droplets of fat and water which can be produced on a large scaleliposomes have been used in several medical treatments.
when the researchers infused a single droplet of water with iodine-125 and deposited it on a thin layer of gold.
When the water evaporated, the iodine atoms bonded with the gold. The researchers inserted the tiny samplemaller than a dimento the microscope.
In an unmixable two-phase solution composed of an organic solvent (chloroform) and water, nanocrystals were immersed.
Nanocrystals do not dissolve in water; hence L-cysteine was added to transfer the nanocrystals in organic phase to water.
L-cysteine is a chiral molecule and it is used widely for phase transfers as a ligand.
and makes the material soluble in water. Hence, all the nanocrystals will be in water, irrespective of the cysteine chiral form.
When this solution was cooled and the phase transfer was interrupted at a specific point, a particular situation where the nanocrystal ensemble was divided equally between the phases that had nanocrystals both'left'and'right'-in different phases.
however, and this makes it possible for scientists to understand the behaviour of fluids such as water at extremely small scales.
very similar to having oil separated from water. The new research shows how simple changes in the channel size can be used to create very small structures,
e have revealed the next piece of a puzzle that over time can lead to the controlled tailoring of liquids at extremely small scales. his knowledge opens the door to developing new devices that target other liquids, such as water-based solutions,
#Vibrations of Water-Carrying Nanotubes for Improved Water filtration Systems Together, unsafe drinking water and the inadequate supply of water for hygiene purposes contribute to almost 90%of all deaths from diarrheal diseases
--and effective water sanitation interventions are still challenging scientists and engineers. A new study published in Nature Nanotechnology proposes a novel nanotechnology-based strategy to improve water filtration.
The research project involves the minute vibrations of carbon nanotubes called"phonons, "which greatly enhance the diffusion of water through sanitation filters.
The project was the joint effort of a Tsinghua University-Tel aviv University research team and was led by Prof.
"Through phonon oscillations--vibrations of water-carrying nanotubes--water transport can be enhanced, and sanitation and desalination improved.
however, we witnessed three times the efficiency of water transport, and, of course, a great deal of energy saved."
such vibrations produce a 300%improvement in the rate of water diffusion by using computers to simulate the flow of water molecules flowing through nanotubes.
Wakes occur whenever something is traveling through a medium faster than the waves it creates--in the duck's case water waves, in the plane's case shock waves,
"This research addresses a particularly elegant and innovative problem in physics which connects different physical phenomena, from water wakes to sonic booms,
Large-scale graphene can be used for applications such as water desalination membranes and flexible electronics. raphene is more conductive than any metal we know of,
said UC San diego Nanoengineering Ph d. candidate Aliaksandr (Alex) Zaretski. t has been known for years that graphene is useful as a water desalination membrane.
push large quantities of salt water through and the salt will be rejected on the basis of size
One way is to use electricity that is produced to split the liquid water. This process is called electrolysis.
One efficient solution is to link a current silicon solar cell to a battery which is capable of splitting the liquid water;
but also splits the water, acting as a form of solar fuel cell. The research team at FOM and TU/e found their desired candidate in Gap,
Gap is also able to extract oxygen from the water so you then actually have a fuel cell in
and extract a variety of contaminants from soil and water. Ferdinand Brandl and Nicolas Bertrand, the two lead authors, are former postdocs in the laboratory of Robert Langer, the David H. Koch Institute Professor at MIT Koch Institute
When they learned that UV light was used to disinfect water in certain treatment plants, they began to ask a different question. e thought
or hormones from water, because we saw that the particles aggregate once you irradiate them with UV light. trap for ater-fearingpollutionthe researchers synthesized polymers from polyethylene glycol,
and dispersed evenly in water. But when exposed to UV light, the stabilizing outer shell of the particles is shed,
#Coral-Like Nanoplates Help Remove Toxic Heavy metals from Water A new material that mimics coral could help remove toxic heavy metals like mercury from the ocean,
Toxic heavy metal ions like mercury, lead and arsenic are released into the water through human activity, including manufacturing and industrial processes.
When mercury pollutes the water plants and animals absorb it. The mercury builds up in the food chain, ultimately resulting in toxic fish.
with the aim of adsorbing mercury from water. Aluminium oxide has previously been used to remove pollutants,
"Adsorption is an easy way to remove pollutants from water, so developing new products that can do this is a big challenge in environmental remediation,
"The researchers tested the coral-like nanoplates on removing mercury from water. They found that the coral-like structure removed around 2. 5 times more mercury from water than the traditional aluminium oxide nanoparticles."
"We are excited very about the results, which provide a good example for the production of coral-like adsorbents,
#Saturas Successfully Conducts Field trials of Embedded Stem Water Sensor The field tests were conducted on peach and citrus trees at the Hula Valley Orchards Experimental Farm.
The results were consistent with the stem water potential measurement using manual measurement tools and successfully demonstrated continuous measurement of the water status in the tree.
Based on the research of Dr. Moshe Meron Saturas has developed a miniature stem water potential (SWP) sensor that is embedded in the trunks of trees vines and plants.
SWP is recognized a scientifically highly accurate parameter for determining water status in crops but today SWP can only be measured in a labor-intensive procedure.
The Saturas sensor provides accurate information for optimized irrigation to reduce water consumption with no stress to the plants and increases fruit production and quality.
The Saturas sensing system tailors irrigation to the crop's real-time water needs resulting in more efficient water use
The sounder high-spectral resolution infrared technology measures the three-dimensional structure of atmospheric temperatures, water vapor and trace gases.
#Portable, Autonomous Device Analyzes Trace elements in Water, Air and Upper Atmosphere Researchers from Arizona State university School of Earth and Space exploration have combined their sensors,
allows researchers to do things such as detect microbes in water, soil and the upper atmosphere. The machine,
and the Southern California Coastal Water Research Project to detect microbial contaminants in water more rapidly,
lander or orbiter to seek out extant DNA in the water on Mars, the oceans of Europa,
pressure and water vapor similar to data collected by weather balloons but on a global scale using a technique called GPS Radio Occultation (GPS-RO).
Planetiq's microsatellite constellation, with an initial set of 12 satellites launching in 2016 and 2017, will deliver over 8 million observations per day of temperature, pressure and water vapor,
In the new procedure, the patient's breast will be placed in a warm water bath between an ultrasound transmitter and receiver.
water or other spaces that are causes for health concerns. And it could aid in the detection of chemical weapons.
and they decided to collect samples from groundwater at a remediation site in Rifle, Colorado..
and are used often to purify water. Colleagues at the Department of energy Joint Genome Institute shotgun-sequenced the DNA of all the microbes in the filtered sample,
probing not only the acidic pools in abandoned mines and the contaminated groundwater at the Superfund cleanup site in Colorado,
with one end that was water-loving or hydrophilic and one that was water-fearing or hydrophobic.
A mixture of these molecules self-assembled into a vesicle, much like the coalescing of oil droplets in water,
with the hydrophobic ends pointing inward and the hydrophilic ends pointing outward. The result was millions of bubble-like structures, each 100 times smaller than the width of a human hair.
which involves shuttling tiny drops of water around on a series of small electrodes that looks like a miniature checkerboard.
The new microneedle patch Microhyala is dissolvable in water. The tiny needles are made of hyaluronic acid,
Georgia Institute of technology Study Coating the inside of glass microtubes with a polymer hydrogel material dramatically alters the way capillary forces draw water into the tiny structures,
Capillary action draws water and other liquids into confined spaces such as tubes, straws, wicks and paper towels,
. But a chance observation by researchers at the Georgia Institute of technology will cause a recalculation of those predictions for conditions in which hydrogel films line the tubes carrying water-based liquids. ather than moving according to conventional expectations,
water-based liquids slip to a new location in the tube, get stuck, then slip again
the water propagates at a nearly constant speed into the hydrogel-coated capillary. This was very different from
When the opening of a thin glass tube is exposed to a droplet of water, the liquid begins to flow into the tube, pulled by a combination of surface tension in the liquid and adhesion between the liquid and the walls of the tube.
Leading the way is a meniscus, a curved surface of the water at the leading edge of the water column.
Water entering a tube coated on the inside with a dry hydrogel film must first wet the film
but with discrete steps in which the water meniscus first sticks and its motion remains arrested
This tick-slipprocess forces the water to move into the tube in a step-by-step motion. The flow rate measured by the researchers in the coated tube is three orders of magnitude less than the flow rate in an uncoated tube.
said Fedorov. hough there is some swelling of the hydrogel upon contact with water, the change in the tube diameter is negligible due to the small thickness of the hydrogel layer.
Water absorption by the hydrogels occurs only when the materials remain below a specific transition temperature.
the materials no longer absorb water, eliminating the tick-slipphenomenon in the microtubes and allowing them to behave like ordinary tubes.
This ability to turn the stick-slip behavior on and off with temperature could provide a new way to control the flow of water-based liquid in microfluidic devices,
farmers could find ways to use water, seed, and fertilizer more efficiently, lowering their costs enough to more than pay for the technology investment
Such investments led to the creation of water sensors and drones which help farmers, like Keith Larrabee, make effective decisions.
or doused in water and will still work. Practically, the Foldscope can help doctors correctly diagnose deadly diseases such as malaria, schistosomiasis,
Recently, Prakash also developed a computer than runs on water droplets. The droplets are suspended in a magnetic field
The pipeline was shut off about three hours later but by then the slick stretched 45 metres into the water.
About 3, 200 litres of oil have been recovered from the water, Williams said. The accident occurred on the same stretch of coastline as a 1969 spill that at the time was the largest ever in U s. waters
and is credited for giving rise to the American environmental movement. Several hundred thousand gallons spilled from a blowout on an oil platform
The pipeline was shut off about three hours later but by then the slick stretched 45 metres into the water.
About 3, 200 litres of oil have been recovered from the water, Williams said. The accident occurred on the same stretch of coastline as a 1969 spill that at the time was the largest ever in U s. waters
and is credited for giving rise to the American environmental movement. Several hundred thousand gallons spilled from a blowout on an oil platform
and oleophobic paint that repels both water and oil, preventing the car from getting dirty.
It been proven effective against road spray, sleet, standing water, and even clumsy painters, providing an umbrella-like layer of protection to the LEAF paint job.
Even the most efficient car washes use hundreds of gallons of water to clean a single vehicle.
and insulated with concrete to prevent any leakage from entering local groundwater. Bacteria that naturally occur within cowsdigestive tracts are added to the manure,
and then recycled so local farmers can use it to water their crops. The by-product that remains at the end of the process,
president and CEO of GE Power & Water. he question is not whether to start down this path it about knowing how to get the most out of your digital transformation.
water comes throughn your basements, in a parking garage. Secondly, if this water gets to the steel reinforcementsn concrete we have all these steel rebarsf they corrode, the structure collapses.
It has taken Jonkers and his team three years to produce this self-healing prototype, needing to overcome the most obvious obstacle:
when water enters the concrete cracks. Once released, the bacteria consume the calcium lactate, causing a chemical reaction that creates limestone,
if the concrete cracks and water gets in. Concrete is extremely alkaline and the ealingbacteria must wait dormant for years before being activated by water.
Jonkers chose bacillus bacteria for the job, because they thrive in alkaline conditions and produce spores that can survive for decades without food
water enters and open the capsules. The bacteria then germinate, multiply and feed on the lactate,
#Weirdest Biofuel Ever Powers Strangest Car Ever The folks at Columbia University have come up with a loating enginethat runs on evaporating water
Eva, the first evaporation-powered car, rolls along, thanks to a moisture mill a turbine engine driven by water evaporating from wet paper strips lining its walls.
or from huge rotating machines akin to wind turbines that sit above water The team is already predicting that a scaled-up version,
#Lasers have turned this metal super hydrophobic The ability to repel water has so many potential uses.
since water can't cling long enough to evaporate and leave behind residue; and it can prevent ice from forming.
and repels water. The material is much more slippery than Teflon, with the added benefit that the structures are part of the material
You also don't have to tip the surface for the water to roll off, like you do with Teflon."
the water actually gets bounced off. Then it lands on the surface again, gets bounced off again,
As the water bounces on the surface of the material, it will pick up and carry away with it any dust,
where water can be scarce and therefore precious. It could help clean, for instance, latrines with a minimum of water wastage."
"In these regions, collecting rain water is vital and using super-hydrophobic materials could increase the efficiency without the need to use large funnels with high-pitched angles to prevent water from sticking to the surface,
"Guo said.""A second application could be creating latrines that are cleaner and healthier to use."
"Yet another application could be the development of solar thermal collectors, which absorb solar energy in the form of heat and light,
which the researchers joined up to create a new molecule where one end was water-loving
and the other was water-fearing. These molecules self-assembled into a vesicle within which researchers inserted a core of solid insulin and enzymes,
which makes the water-loving NI molecules become water-fearing. Ultimately, this causes the vesicles to fall apart,
can simply be swallowed with water and although the price has not been announced, it's likely to be much cheaper than a pacemaker.
and water enters them, the water'awakens'the bacteria. Once active, the bacteria'eat'the calcium lactate
and secrete limestone which closes the cracks. A stock image of a pot hole is shown m
These new phyla were found from just one site using samples of groundwater in Colorado
Kingii emergency wristband inflates to save wearers from drowning Everyone knows it possible to drown in even shallow and calm waters,
which can pull a wearer towards the water surface. The wristband is said to be suitable for activities including swimming,
I developed Kingii as a way to promote the importance of water safety and, hopefully, end this type of tragedy once and for all,
The plants are kept hydrated by drips of water condensing on the inner walls of the biospheres,
including lack of fresh water, fertile soils, and extreme temperature changes, said a spokesman for the project. e are trying to find an alternative and economically viable technology enabling efficient production.
Instead, you think about the goal of the movement want to pick up that cup of water, for example, said Caltec professor Richard Andersen. o in this trial,
and conserve groundwater currently being lost to evaporation and create a new water supply for some 400,000 people and businesses.
The alliance of more than 135 local business groups voted at its May 19 board meeting to support the Cadiz Valley Water conservation, Recovery and Storage Project, a public-private partnership with the Santa Margarita Water District,
000-acre property in California eastern Mojave desert, the Cadiz Water project will be carried out by public water providers that serve more than 1 million customers in six Southern California counties.
Three Valleys Municipal water District, Golden state Water company, Suburban Water systems and Cal Water Services Company have executed already agreements with the Company that will enable them to provide water from the Project to Los angeles County businesses and residents
including terms related to how water will be transported to the project participants s
#France First to Introduce Mandatory Carbon Reporting for Investors Pension funds, insurance companies and other institutional investors in France will be required to disclose how they are managing climate change risks.
#Partnerships Critical to Solving Nationwide Water Issues We have a problem. A water problem. Our sources in the United states are in real danger,
and conditions are more likely to worsen before they get better. Many factors are contributing to this current reality.
and residents are now being asked to reduce their water consumption by 25 percent. Scientists are saying that it would take 11 trillion gallons of water to pull the state out of this crippling drought.
Colorado has been faced with catastrophic wildfires that adversely impact its watersheds due to dramatic changes in weather patterns and precipitation.
The water that we use to wash our clothes clean our bodies and stay hydrated is at risk.
Put simply, water is a critical resource that must be saved. Our families, our communities and our businesses depend on this precious commodity.
bringing awareness and change to water challenges our communities face is not only timely but necessary.
some 4 million residents are reliant on water that is sourced 300 miles to the north, originating from the Mammoth Lakes Basin in central California Inyo National forest.
and filter the water. Thus, if the forests are harmed, so too is the water supply in this community.
For companies that require water to produce their products supporting water conservation initiatives outside of your company walls reinforce efforts being made inside to preserve this precious commodity throughout the production process.
For example, Anheuser-busch US breweries have reduced water consumption by 47 percent in the last 10 years and by 22 percent in the last five years.
and conserve water is by supporting the global efforts of Water. org. Around the world, women and children spend an astonishing 140 million hours per day collecting water.
This year on World Environment Day, Anheuser-busch employees in Fort Collins, Los angeles and across the United states will honor these water journeys
and take a 15-minute alk for Water, which equals a water-equivalent donation that will help support a family of five with water for five years
and provide funding to Water. org, a global organization that increases water access and quality around the world.
World Environment Day is an opportune time to discuss water conservation, showcase how wee working to reduce water use
and how we identify and amplify strategic partnerships to further the cause, but it also requires constant focus and attention.
We strive to make water conservation efforts prevalent in our operations on a daily basis. A resource this precious cannot be preserved nor can access be maintained
#New aluminum air battery could blow past lithium-ion runs on water As battery technologies go,
and be refilled with normal water. How an aluminum-air battery works First, some basics. The problem with battery technology isn
we can build batteries that blow traditional lithium-ion out of the water. Keep in mind that the chart below is exponential,
it not clear that fresh water is as effective an aqueous solution as saltwater (meaning there might be need specific for one particular kind of solution.
#Lasers create surface so hydrophobic that water bounces off like a ball In the study of hydrophobic surfaces,
Now, researchers at the University of Rochester have used lasers to create a surface so hydrophobic that a single droplet of water can bounce up and down on it multiple times like a ball.
and greatly increase visibility while driving through a storm as water smoothly slides off the glass.
the surface etched pattern is so hydrophobic that water literally bounces off, falls back down to the surface,
Water rolls off the laser-etched surfaced when it titled less than five degrees, whereas a common Teflon pan has to be turned a steep 70 degrees.
The etched surface also exhibits self-cleaning properties a test showed that when drops of water slide over the surface
This type of surface could help keep latrines clean in areas of the world where water is scarce.
By confining water to the nanoscale in specially designed hydroscopic materials, it possible to convert energy from evaporation to mechanical work.
When the water on the surface naturally evaporates, the engine interior becomes slightly more humid,
and drive a miniature car as the water evaporates please see the video on this page.
#Indian-origin scientist Manu Prakash develops computer that operates on water droplets A computer that operates using the unique physics of moving water droplets has been developed by an Indian-origin scientist and his team.
Then they carefully injected into the mix individual water droplets that had been infused with tiny magnetic nanoparticles.
The researchers said the effect could be explained by the lower boiling point of water at high altitude
and lower pressure water boils at just 85°C at 3600m above sea level for example allowing foods to cook more gently
and immersing them in a water bath at 65-85°C and cook-vide in
The water-based inks are prepared from simple and inexpensive commodity chemicals. This discovery represents a creative twist on security
when sugar dissolved in water is added. The color will depend on the amount of each of these three ingredients present
Researchers have found that repetitive laser blasts on the metal surface develop specific patterns that repel water efficiently.
which causes water to bead effectively. he material is so strongly water-repellent the water actually gets bounced off.
Guo and his colleagues were also the ones who have designed previously materials that are hydrophilic able to absorb water extremely quickly and efficiently d
#How lasers make metal super water repellent Scientists have used lasers to turn metals into extremely water repellent materials without the need for temporary coatings.
Water repellent, or super-hydrophobic, materials are desirable for a number of applications, such as rust-prevention, anti-icing,
And it is these patterns that make the metals repel water. he material is so strongly water-repellent,
the water actually gets bounced off. Then it lands on the surface again gets bounced off again,
you need to tilt the surface to nearly a 70-degree angle before the water begins to slide off.
As the water bounces off the super-hydrophobic surfaces it also collects dust particles and takes them along for the ride.
Roughly half of the dust particles were removed with just three drops of water. It took only a dozen drops to leave the surface spotless.
collecting rain water is vital and using super-hydrophobic materials could increase the efficiency without the need to use large funnels with high-pitched angles to prevent water from sticking to the surface,
says Guo. second application could be creating latrines that are cleaner and healthier to use.
Latrines are a challenge to keep clean in places with little water. By incorporating super-hydrophobic materials,
a latrine could remain clean without the need for water flushing. But challenges still remain to be addressed before these applications can become a reality, Guo states.
The combination of light-absorbing properties with making metals water repellent could lead to more efficient solar absorbersolar absorbers that don rust
meaning they attract water. In fact, the materials were so hydrophilic that putting them in contact with a drop of water made water run phill.
Guo team is now planning on focusing on increasing the speed of patterning the surfaces with the laser,
as well as studying how to expand this technique to other materials such as semiconductors or dielectrics, opening up the possibility of water repellent electronics.
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