Sentences with word «supercooled»

In the absence of any ice nuclei, the freezing of supercooled water droplets of a few micrometres in radius, in a process called homogeneous ice nucleation, requires temperatures at or lower than − 39 °C (− 38 °F).

«Absorption Properties of Supercooled Liquid Water between 31 and 225 GHz: Evaluation of Absorption Models Using Ground - Based Observations.»

But mysteriously at low temperatures below the melting temperature, something changes in supercooled liquids and the resulting highly viscous glassy behavior can no longer be explained by the simple Stokes - Einstein relationship.

«Most liquids obey the Stokes - Einstein equation over a wide range of temperatures, but some unexpected changes in behavior are found in supercooled water and other glassy materials,» coauthor Kang Kim, of Osaka University, says.

This substantial and rapid change of phase permits large ice crystals in a cloud surrounded by a large number of supercooled cloud droplets to grow quickly (often in less than 15 minutes) from tiny ice crystals to snowflakes.

Occasionally, Blair says, the atmosphere will become so saturated with supercooled water molecules that the effort kicks off a four - hour snowstorm.

When a substance remains liquid below its melting point, it is said to be in a metastable supercooled state.

One explanation for the divergence of many of the thermodynamic properties of water is that there is a critical point in deeply supercooled water at some positive pressure.

rime ice A coating of tiny, opaque ice crystals formed when supercooled water freezes rapidly on contact with an object.

These observations point to the existence of a Widom line, defined as the locus of maximum correlation length emanating from a critical point at positive pressures in the deeply supercooled regime.

In one sentence: For first time, researchers measure properties of water at deeply supercooled temperatures, fleshing out their understanding of rain and clouds.

The two are usually the same, but liquids can be supercooled below their freezing point

The team reached this conclusion by proving that an energy barrier for crystal formation exists throughout the region in which supercooled water's compressibility continues to rise.

Airplanes entering such supercooled clouds just after takeoff or before landing can cause disruptions that instantaneously freeze those droplets, Heymsfield says.

«How supercooled water is prevented from turning into ice.»

The team simulated supercooled liquids near the transition point, the temperature where particle diffusion stops and an amorphous solid appears.

Wait for it to become supercool again, then repeat this experiment with your remaining fruit skewers!

Kerner suggests that heavy traffic behaves like supercooled steam, in which it only takes a molecular «seed» to trigger millions of molecules to condense into water.

Liquid water at temperatures less than 0 °C is referred to as supercooled water.

These studies concern the formation of ice nuclei in supercooled vapours at low temperatures.

Love bot your outfit, but that fringet top is really supercool!

In a process called cloud seeding, silver iodide, with effective ice - nucleating temperatures of less than − 4 °C, has been used for years in attempts to convert supercooled water to ice crystals in regions with a scarcity of natural ice nuclei.

«Our simulations help to answer questions about what happens in pure supercooled water and could also help to explain other dynamic behaviors in other technologically important glassy materials.»

To uncover Bose - Einstein statistics in particles with mass outside of a laboratory environment (e.g. supercooled Helium) is certainly novel.

'' That the inner core was somehow subjected to a massive supercooling of about 1,800 degrees Fahrenheit (1,000 Kelvin)- well beyond the amount of cooling scientists have concluded.

«An Improved Liquid Water Absorption Model at Microwave Frequencies for Supercooled Liquid Water Clouds.»

But they concluded, according to NOAA, that «cloud seeding had little prospect of success because hurricanes contained too much natural ice and too little supercooled water.»

Then in 1961 Stanley Jacob, a University of Oregon Health Sciences Center surgeon looking for a way to supercool animal organs for transplant experiments, learned of DMSO from Robert Herschler, a chemist employed by the Crown Zellerbach paper company.

30 supercool art tecniques by buggy and bunny.

The key is supercooling magnetized molecules to minus 351 degrees Fahrenheit.

The extremely low temperatures and rapid freezing were crucial to forming cubic ice, Wyslouzil said: «Since liquid water drops in high - altitude clouds are typically supercooled, there is a good chance for cubic ice to form there.»

These droplets were highly supercooled, meaning that they were liquid well below the usual freezing temperature of 32 degrees Fahrenheit (0 degrees Celsius).

The new result comes from an experiment called CRESST II, which uses a few dozen supercooled calcium tungstate crystals to hunt for dark matter from deep beneath the Gran Sasso mountain in Italy.

So far we have had to use supercooled materials to try out ultra-fast quantum logic.

Water molecules move through the viscous supercooled water in jumps related to hydrogen bond breaking.

Especially below zero, where it is dubbed supercooled water, before it turns into ice.

The water will first have to be supercooled though, as demonstrated in a video by a team from the French Commission for Atomic Energy and Alternative Energies (CEA) and National Centre for Scientific Research (CNRS) and the European Synchrotron Radiation Facility (ESRF).

Instead, the liquid supercools into the thermodynamic never - never land of metastability: kinetically settled enough to exist as a well - defined state of matter, yet not truly thermodynamically stable.

In this activity you will create your own supercool water and initiate its transition from liquid to solid.

Without the presence of these impurities, however, the water can be supercooled past its freezing point.

In the 1940s, atmospheric scientist Bernard Vonnegut found that particles of silver iodide can cause supercool clouds of water vapor to freeze into snow in the lab.

The team took its experiment to the mountains of southwestern Idaho, where it waited until supercooled clouds appeared in the sky.

The detector consists of a third of a ton of supercooled xenon in a tank festooned with light sensors, each capable of detecting a single photon at a time.

Scientists do this in the lab by adding a piece of solid metal to a slightly supercooled liquid metal, causing the now - heterogeneous material to quickly solidify.

Alternatively, something different has to be added to the liquid metal of the core - at the center of the planet - that substantially reduces the amount of required supercooling.

In - flight ice forms at altitudes up to 7300 metres (24,000 feet), when the aircraft's surfaces hit supercooled water droplets suspended in the air.

To create metallic glass, scientists supercool liquid metals, effectively «freezing» the random array in place.