Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

States of Water01:23

States of Water

Water exists in any one of the three classical states: solid (ice), liquid (water), and gas (steam or water vapor). The state of water depends on i) the intermolecular forces that draw molecules together and ii) the kinetic energy that leads to movements that pull them apart.
Water freezes when the intermolecular forces are greater than the kinetic energy. Unlike most other substances, water is less dense in its solid state than in its liquid state. This is because each water molecule can form...
Cohesion01:07

Cohesion

Cohesion is the attraction between molecules of the same type, such as water molecules. Water molecules have an overall neutral charge but are polar molecule. An oxygen atom in one water molecule has a partial negative charge that can bind to a hydrogen atom with a partial positive charge in a second water molecule, forming a hydrogen bond. Each water molecule can form up to four hydrogen bonds with other water molecules. Hydrogen bonds are responsible for water's cohesive nature.
On a surface,...
Molecular Comparison of Gases, Liquids, and Solids02:26

Molecular Comparison of Gases, Liquids, and Solids

Particles in a solid are tightly packed together (fixed shape) and often arranged in a regular pattern; in a liquid, they are close together with no regular arrangement (no fixed shape); in a gas, they are far apart with no regular arrangement (no fixed shape). Particles in a solid vibrate about fixed positions (cannot flow) and do not generally move in relation to one another; in a liquid, they move past each other (can flow) but remain in essentially constant contact; in a gas, they move...
Intermolecular Forces03:13

Intermolecular Forces

Atoms and molecules interact through bonds (or forces): intramolecular and intermolecular. The forces are electrostatic as they arise from interactions (attractive or repulsive) between charged species (permanent, partial, or temporary charges) and exist with varying strengths between ions, polar, nonpolar, and neutral molecules. The different types of intermolecular forces are ion–dipole, dipole–dipole, hydrogen bonds, and dispersion; among these, dipole–dipole, hydrogen bonds, and dispersion...
Phase Diagrams02:39

Phase Diagrams

A phase diagram combines plots of pressure versus temperature for the liquid-gas, solid-liquid, and solid-gas phase-transition equilibria of a substance. These diagrams indicate the physical states that exist under specific conditions of pressure and temperature and also provide the pressure dependence of the phase-transition temperatures (melting points, sublimation points, boiling points). Regions or areas labeled solid, liquid, and gas represent single phases, while lines or curves represent...
Density00:56

Density

Density is an important characteristic of substances, crucial in determining whether an object sinks or floats in a fluid. Its SI unit is kg/m3, and its cgs unit is g/cm3. The density of an object helps in identifying its composition, and also reveals information about the phase of the matter and its substructure. The densities of liquids and solids are roughly comparable, consistent with the fact that their atoms are in close contact. However, gases have much lower densities than liquids and...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Quality of Life After Severe Burn Injury: A Case Report.

Annals of burns and fire disasters·2024
Same author

Fine sediment and particulate organic matter: A review and case study on ridge-to-reef transport, transformations, fates, and impacts on marine ecosystems.

Marine pollution bulletin·2018
Same author

[Reliable Flaps for Congenitally Malformed Hands].

Handchirurgie, Mikrochirurgie, plastische Chirurgie : Organ der Deutschsprachigen Arbeitsgemeinschaft fur Handchirurgie : Organ der Deutschsprachigen Arbeitsgemeinschaft fur Mikrochirurgie der Peripheren Nerven und Gefasse : Organ der V...·2017
Same author

[Technique of Suspension Surgery Using Palmaris Longus Tendon for Correction of Severe Blepharoptosis].

Klinische Monatsblatter fur Augenheilkunde·2017
Same author

The direction of human mesenchymal stem cells into the chondrogenic lineage is influenced by the features of hydrogel carriers.

Tissue & cell·2016
Same author

[Nerve injuries after elbow luxation fractures in childhood : Indication and timing for surgical revision].

Der Unfallchirurg·2016
Same journal

Erratum for the Research Article "Detecting supramolecular organic nanoparticles during heat wave".

Science (New York, N.Y.)·2026
Same journal

Local signals, systemic decline.

Science (New York, N.Y.)·2026
Same journal

The mechanics of liver regeneration.

Science (New York, N.Y.)·2026
Same journal

Computing in a memory with physics.

Science (New York, N.Y.)·2026
Same journal

Retraction.

Science (New York, N.Y.)·2026
Same journal

Making time.

Science (New York, N.Y.)·2026
See all related articles

Related Experiment Video

Updated: Jul 6, 2026

Ice Generation and the Heat and Mass Transfer Phenomena of Introducing Water to a Cold Bath of Brine
08:16

Ice Generation and the Heat and Mass Transfer Phenomena of Introducing Water to a Cold Bath of Brine

Published on: March 13, 2017

Superdense water ice.

A H Delsemme, A Wenger

    Science (New York, N.Y.)
    |January 2, 1970
    PubMed
    Summary
    This summary is machine-generated.

    Scientists discovered a new type of water ice, likely amorphous, at low temperatures and pressures. This novel allotrope of ice has a density of 2.32 g/cm³.

    More Related Videos

    Measuring the Densities of Aqueous Glasses at Cryogenic Temperatures
    09:50

    Measuring the Densities of Aqueous Glasses at Cryogenic Temperatures

    Published on: June 28, 2017

    A Microfluidic Approach for the Study of Ice and Clathrate Hydrate Crystallization
    08:01

    A Microfluidic Approach for the Study of Ice and Clathrate Hydrate Crystallization

    Published on: August 18, 2022

    Related Experiment Videos

    Last Updated: Jul 6, 2026

    Ice Generation and the Heat and Mass Transfer Phenomena of Introducing Water to a Cold Bath of Brine
    08:16

    Ice Generation and the Heat and Mass Transfer Phenomena of Introducing Water to a Cold Bath of Brine

    Published on: March 13, 2017

    Measuring the Densities of Aqueous Glasses at Cryogenic Temperatures
    09:50

    Measuring the Densities of Aqueous Glasses at Cryogenic Temperatures

    Published on: June 28, 2017

    A Microfluidic Approach for the Study of Ice and Clathrate Hydrate Crystallization
    08:01

    A Microfluidic Approach for the Study of Ice and Clathrate Hydrate Crystallization

    Published on: August 18, 2022

    Area of Science:

    • Materials Science
    • Physical Chemistry
    • Cryogenics

    Background:

    • Water ice exhibits diverse allotropic forms, each with unique structural and physical properties.
    • Understanding the phase diagram of water ice is crucial for planetary science and condensed matter physics.

    Purpose of the Study:

    • To investigate the existence and properties of a new allotropic form of water ice.
    • To characterize the density and potential structure of this novel ice phase.

    Main Methods:

    • Experimental observation of water ice formation under specific conditions.
    • Measurement of density using established physical principles.
    • Analysis of structural properties at low temperatures and pressures.

    Main Results:

    • Observation of a new allotropic form of water ice.
    • Measured density of 2.32 ± 0.15 g/cm³.
    • Formation occurred at temperatures below 100 K and very low pressures.

    Conclusions:

    • The newly observed phase is likely an amorphous allotrope of water ice.
    • This finding expands the known phase diagram of water ice.
    • Further research is needed to fully elucidate the structure and properties of this amorphous ice.