Sentences with phrase «of water droplets on»

One of the big drawbacks about this device was the inability to use it if it was submerged in water or had lots of water droplets on the screen.
There is also problems if you have a bunch of water droplets on the screen, the Aura One thinks you are interacting with the touchscreen and will do random things.
Distinguished Professor of Chemical and Biomolecular Engineering at Lehigh, for example, has published articles with his students in Science and Langmuir describing their successful efforts to direct the movement of water droplets on surfaces.

Not exact matches

Water droplets hang on the branches of my bare cherry tree.
Heat a large, wide pan (or griddle) over medium heat (or about 375 °F) until droplets of water sprinkled on the surface sizzle.
Dispersants have been applied to oil slicks on the ocean surface for half a century to break petroleum into smaller droplets that dissipate into waters of the open ocean so that less oil reaches ecologically sensitive coastlines.
Here on Earth, our storm clouds are made of charged water droplets and hailstones.
Wergin and Erbe have used their low - temperature scanning electron microscope to infer what happens when falling ice crystals run into fogs of supercooled water droplets on their way down, a common occurrence.
Intriguingly, small droplets — which appeared to be water — were spotted in photos on the legs of the Phoenix lander.
On page 1589 of this issue, Kim et al. (2) use an evaporative cooling technique to cool micrometer - sized water droplets to deeply supercooled temperatures and provide evidence for the postulated critical point.
Unlike traditional pipettes, which draw up liquids using suction, the liverwort relies on the surface tension of the water to hold droplets, says study coauthor Hirofumi Wada, a physicist at Ritsumeikan University in Kusatsu, Japan.
Water droplets roll off lotus leaves partly because of the roughness of their surface on the nanoscale.
There are gale - force winds whipping about the planet, its smoglike clouds are composed of droplets of sulfuric acid (rather than water) and, contrary to previous belief, there is lightning on Venus.
Water droplets and ice crystals in the atmosphere condensed on the infusion of dust particles and settled into pouch - like formations due to wind currents.
In a new twist, a group of South Korean researchers from Seoul National University and Dankook University report an anomalous water droplet - bouncing phenomenon generated by Leidenfrost levitation on nanotextured surfaces in Applied Physics Letters, from AIP Publishing.
The procedure, described in the latest issue of the journal Proceedings of the National Academy of Sciences, centers on making droplets, which are a mixture of two or more immiscible, or unmixable, liquids — in this case, oil, water, and alcohol.
IN THE CLOUDS Many of the water droplets that make up clouds get a size boost from carbon - containing molecules that assemble on the droplets» exterior, new research suggests.
Story 3, droplets of water on a plant can focus sunlight to the point where the plant gets burned.
And story 3 is true, a study confirms what gardeners long suspected — droplets of water on plant leaves can focus sunlight like a magnifying glass, leading to burns on the leaves.
So droplets of salty fluid on Mars would tend to absorb water vapour from the atmosphere, explaining why the clumps grew over time.
In 2005, chemical engineer William Ristenpart of the University of California, Davis, was studying the effects of electric charge on droplets of water suspended in oil.
In the morning, the chamber is closed, and sunlight entering through a window on top of the device then heats up the MOF, which liberates the water droplets and drives them — as vapor — toward the cooler condenser.
Over land, the small size of these aerosol particles tends to suppress rainfall because the water droplets that condense on them are light enough to remain aloft.
Scientists are keeping a close watch on variables that might affect life in the open ocean, including depleted oxygen levels caused by a feeding frenzy from oil - and gas - eating microbes, and the unknown effects of dispersants, which break the oil into droplets but may keep it suspended in the water.
The thousands of tiny water droplets that form on the glass scatter light, making oncoming traffic hard to see.
The researchers used water and water mixed with glycerin to create a model for predicting the velocity and height of the droplets, or jet aerosols, cast upward as bubbles on a liquid's surface burst.
Putting water droplets on top coated them in just a single layer of silica.
Rime forms when droplets of water vapor deposit directly as ice on surfaces.
Effects of plasma channels on ice formation or precipitation processes could not be proved in typical storm clouds, where ice crystals and subcooled water droplets coexist.
Snapshots of contact line configurations when water droplets slide on surfaces with micro-pillars.
A team led by applied mathematician Lakshminarayanan Mahadevan of the University of Cambridge, U.K., discovered that the wax is extremely water - repellant: Water droplets float on top of the needle tips much as ascetics rest on beds of nwater - repellant: Water droplets float on top of the needle tips much as ascetics rest on beds of nWater droplets float on top of the needle tips much as ascetics rest on beds of nails.
This conclusion was experimentally validated by actively sliding a water droplet on solid surfaces with micro-holes and micro-pillars of various sizes while simultaneously measuring the resultant sliding friction forces.
Although the toadstools are slightly omniphobic on their own, making it possible to knock droplets of water or oil around them like marbles with ease required adding a surface coating to enhance the effect.
Because of their near - spherical shape, the droplets meet the surface at a high angle — above 150 ° if the water is sitting on a superhydrophobic surface.
«Thermal motion on the outer surface of a water droplet impacts many processes, including breaking of a single drop into many smaller droplets
Hu's experiments, for example, show everything from the thickness of ice as it flows over a wing, the heat transfer of individual water droplets as they freeze, the irregular speed of freezing droplets on a wing or blade and the finger - like patterns of ice formation.
When petroleum leaks from a ship or a deep - water drilling operation, «it tends to break up into tiny droplets that don't all end up on the surface of the ocean,» says Thomas Azwell, an environmental scientist at the University of California (UC), Berkeley, who was not involved in the work.
The presence of these particles helps to seed clouds by providing sites on which water droplets can condense, but very small particles, the scientists found, actually decrease the precipitating efficiency of clouds, meaning it rains less.
Clouds form when water condenses on particles of dust, and rain falls when condensed water droplets grow too heavy to be suspended by updrafts in the atmosphere.
As he and his collaborators put it, «with at least a boundary layer of water on the diatoms, secreted oil droplets would separate under gravity, rising to the top of a tilted panel forming an unstable emulsion, which should progressively separate.
A team at the University of Nottingham used a simulation that matches experimental and in situ observations to characterize ice on a spectrum between rime ice that forms from water vapor and glaze ice that forms from supercooled water droplets.
Water droplets have a tough time gaining purchase on the roughed - up surface, boosting its ability to resist ice formation fourfold over that of «naked» aluminium.
«Although surface engineering facilitates effective liquid manipulation and enables water droplet self - transportation on synthetic surfaces, self - transportation of oil droplets posed a major challenge because of their low surface tension,» explains Postdoctoral Researcher Xuelin Tian.
Experiments and simulations showed that a water droplet on a repellent surface will freeze upward into a microscopic six - armed formation that resembles an idealized snowflake, with only a small portion of its base adhering to the surface.
Vonnegut went on to invent what amounted to a nucleating machine: He dissolved silver iodide in acetone, sprayed the solution through a nozzle to make droplets, and then literally burned the droplets, producing trillions of nuclei; under the right conditions, each could form the core of a drop of water or flake of snow.
Jean - Pierre Wolf of the University of Lyon 1 in France and his colleagues flashed femtosecond laser pulses on individual water droplets that were less than 70 microns in diameter.
Gregory and Jolanta Watson at the University of the Sunshine Coast in Queensland, Australia, and their colleagues observed small water droplets condensing on the scales of the gecko Lucasium steindachneri in humid conditions.
The droplets on the tip of this leaf are the result of guttation, a process where water is pushed up through a plant in the night.
The protein collects in membrane-less organelles, where it may use its low - complexity domain to stick together, much in the way that water collects into droplets on the outside of a cold soda bottle on a humid summer day.
Prior studies suggesting that ApoC - III may predominantly affect LPL - mediated TG hydrolysis were based on fractional clearance rates of ApoB in patients lacking ApoC - III and ApoA - I (13) and in vitro studies showing that excess ApoC - III (or ApoC - I) blocks LPL activity in lipid droplets or emulsions possibly due to competition for the lipid - water interface (12, 19).
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