Ice is water frozen into a solid state. Depending on the presence of impurities such as particles of soil or bubbles of air, it can appear transparent or a more or less opaque bluish-white color.

In the Solar System, ice is abundant and occurs naturally from as close to the Sun as Mercury to as far as the Oort cloud. Beyond the Solar System, it occurs as interstellar ice. It is abundant on Earth's surface  particularly in the polar regions and above the snow line  and, as a common form of precipitation and deposition, plays a key role in Earth's water cycle and climate. It falls as snowflakes and hail or occurs as frost, icicles or ice spikes.

Ice molecules can exhibit up to sixteen different phases (packing geometries) that depend on temperature and pressure. When water is cooled rapidly (quenching), up to three different types of amorphous ice can form depending on the history of its pressure and temperature. When cooled slowly correlated proton tunneling occurs below 20 K giving rise to macroscopic quantum phenomena. Virtually all the ice on Earth's surface and in its atmosphere is of a hexagonal crystalline structure denoted as ice Ih (spoken as "ice one h") with minute traces of cubic ice denoted as ice Ic. The most common phase transition to ice Ih occurs when liquid water is cooled below 0°C (273.15K, 32°F) at standard atmospheric pressure. It may also be deposited directly by water vapor, as happens in the formation of frost. The transition from ice to water is melting and from ice directly to water vapor is sublimation.

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Latest News for: Discovery water


300-metre-long ancient aqueduct found at Giv‘at Hamatos

Heritage Daily 03 Oct 2023
The discovery was made during archaeological works in preparation for housing development in the Giv‘at Hamatos neighbourhood ... “The exposure of this section of the Upper Aqueduct and the discovery of the 25 coins may enable– possibly for the first time—an absolute dating of the different stages of the construction of Jerusalem’s water aqueducts....
photo: AP / Dave Martin
Dolphins swim near a boat carrying the Florida governor on a tour of oil skimming efforts in Pensacola Bay in Pensacola, Fla., Saturday, June 26, 2010.

Over 100 Dolphins die in Brazilian Amazon! What led to the tragic event?

Financial Express 03 Oct 2023
Experts warn that if high water temperatures persist, many more could face the same fate. Alarming Discovery ... The Mamiraua Institute, a research group affiliated with Brazil’s Ministry of Science, Technology, and Innovation, reported the discovery of two more deceased dolphins on Monday in the vicinity of Tefe Lake....

Plan underway to eradicate invasive mussels discovered in southern Idaho

Ravalli Republic 03 Oct 2023
Water sampling has revealed a “plume” of larvae there ... 28, a diver from the agriculture department found an adult mussel on a rock in 16 feet of water near Shoshone Falls. Discovery of that mussel was a fortunate find, Varley said, equating it to finding a needle in a two-mile-tall haystack....

Underwater Discovery In The Caribbean Could Be Related To Shipwreck Of Slave Ships In Costa Rica

MENA FN 03 Oct 2023
(MENAFN - Costa Rica News) --a-A discovery made in the waters of Cahuita could explain the link of a shipwreck of Danish slave ships in 1710 with the origins of the Afro-Costa Rican population eight ... ....

A South African hike that literally takes your breath away

The News Banner 03 Oct 2023
The area has long been famous for its rough seas and stormy weather, as it is located where the warm current from the Indian Ocean meets the cool current from the Antarctic waters. It was named Cape of Good Hope for the promise its discovery held for creating a maritime trade route between Europe and the East....

Thunderstorms clumping together: How understanding water vapor helps scientists predict future climate change

Phys Dot Org 02 Oct 2023
This led to the discovery that this clumping, or aggregation, of clouds can affect the Earth's climate in multiple ways that were not previously understood ... One of the key discoveries of the research was that cloud organization impacts the distribution of water vapor in the atmosphere....

Footage shows solution to autumnal leaves on railway lines

The Engineer 02 Oct 2023
The Water-Trak technology is based on the discovery that leaf-coated rails only become slippery if damp, noting that trains still stop safely in heavy rain. Water-Trak creates wet conditions on the rail surface by spraying a small amount of water from the train onto the track when a slippery rail is detected....

EXCLUSIVE: Drug gangs make hay from death of the High Street: Crime barons are filling ...

The Daily Mail 02 Oct 2023
The discovery last week of a cannabis farm inside a former Marks and Spencer store was just the latest in a string of similar raids by police ... There have been similar discoveries inside former a Job Centre, police stations and even a grammar school ... It followed a similar discovery inside a former police station in Oldham in 2019....

The fish with “human teeth” found by the farmer that surprised science

The Cleveland American 02 Oct 2023
Discovery in the waters of the Tangier Strait off Maryland, USA, It left the fishing community speechless He broke records in the world of fishing. (Read also. The formation of the supercontinent will make 92 percent of the Earth uninhabitable.) Related topics ... (Keep reading ... However, capturing this creature was not an easy task ... (Interesting ... He added ... ....

A parasite was found in a Baltimore reservoir and vulnerable residents should take precautions

Wtop 30 Sep 2023
(CNN) — A microscopic parasite was detected in the Druid Lake Reservoir in Baltimore, and vulnerable residents are being told to take precautions when drinking water ... This microorganism discovery only affects the water systems in Baltimore City and Baltimore and Howard counties in Maryland ... Discovery Company....

Fossil of giant trapdoor spider is four times larger than modern species

BGR 30 Sep 2023
So, even though it isn’t as large as some spiders, it’s still a huge discovery, as we don’t have much else to go off when it comes to these ancient spider fossils ... So, this discovery is significant for understanding their past. A paper on the discovery is available in the Zoological Journal of the Linnean Society....

Breakthrough Research Revolutionizes Hydrogen Generation

Oil Price 30 Sep 2023
The discovery, published in the journal Nature, centers on developing a highly efficient electrocatalyst that ......

Bennington, Vt., reacts after tests detect PFAS in town wells

The Berkshire Eagle 30 Sep 2023
Pownal water study ... Hurd said the town’s response will be similar to efforts following the ChemFab contamination discovery seven years ago, when town water lines were extended to many properties with PFAS in wells to provide safe drinking water. The town’s water system sources have not been affected by PFAS....

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