Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Relation Between Tensile Strength and Compressive Strength of Concrete

Relation Between Tensile Strength and Compressive Strength of Concrete

Concrete is a fundamental building material, and understanding its strengths is crucial for construction projects. The relationship between its tensile and compressive strengths is intricate, showing that while these strengths are related, they do not increase at the same rate. Tensile strength's growth is slower and is affected by various factors such as the methods used for testing, the size and shape of the specimen, the texture of the aggregate used, and the moisture content of the...

Behavior of Concrete Under Compressive Load

Behavior of Concrete Under Compressive Load

Concrete exhibits specific behaviors under different compressive loads. Understanding this is crucial for understanding its structural integrity. When concrete undergoes uniaxial compression, it tends to develop cracks that run parallel to the direction of the force. These parallel cracks stem from localized tensile stresses that occur perpendicular to the compression direction. Additionally, angled cracks may appear due to the formation of shear planes.
As the concrete specimen fractures under...

Elastic Strain Energy for Shearing Stresses

Elastic Strain Energy for Shearing Stresses

As discussed in previous lessons, strain energy in a material is the energy stored when it is elastically deformed, a concept crucial in materials science and mechanical engineering. This energy results from the internal work done against the cohesive forces within the material. When a material undergoes shearing stress and corresponding shearing strain, the strain energy density, which is the energy stored per unit volume, is calculated. Within the elastic limit, where the stress is...

Constant Pressure Calorimetry

Constant Pressure Calorimetry

Calorimetry is a technique used to measure the amount of heat involved in a chemical or physical process or to measure the heat transferred to or from a substance. The heat is exchanged with a calibrated and insulated device called the calorimeter. Calorimetry experiments are based on the assumption that there is no heat exchange between the insulated calorimeter and the external environment. The well-insulated calorimeters prevent the transfer of heat between the calorimeter and its external...

Double Resonance Techniques: Overview

Double Resonance Techniques: Overview

Double resonance techniques in Nuclear Magnetic Resonance (NMR) spectroscopy involve the simultaneous application of two different frequencies or radiofrequency pulses to manipulate and observe two distinct nuclear spins. One important application of double resonance is spin decoupling, which selectively suppresses coupling with one type of nucleus while observing the NMR signal from another nucleus, simplifying the spectrum and enhancing resolution.
Spin decoupling is usually achieved by...

Compacting Factor test

Compacting Factor test

The compacting factor test is a method used to assess the workability of concrete. It is especially suitable for concrete mixes containing aggregates up to one and a half inches in size. This test involves specialized equipment consisting of two truncated cone-shaped hoppers and a cylinder, all with polished interior surfaces to minimize friction.
The procedure begins by placing concrete into the upper hopper without any compaction. Once filled, the bottom door of this hopper is opened,...

You might also read

Related Articles

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

Sort by

Same author

Erratum: "X-ray diffraction at the National Ignition Facility" [Rev. Sci. Instrum. 91, 043902 (2020)].

The Review of scientific instruments·2026

Same author

First Demonstration of Improved Fusion Yield with Increased Compression through Reduced Adiabat in Inertial Confinement Fusion Experiments at the National Ignition Facility.

Physical review letters·2025

Same author

Multiframe X-ray diffraction on the OMEGA EP laser.

The Review of scientific instruments·2025

Same author

The structure of liquid carbon elucidated by in situ X-ray diffraction.

Nature·2025

Same author

Development of a true single line of sight 3D hot-spot imaging for the National Ignition Facility.

The Review of scientific instruments·2025

Same author

GALADRIEL: A facility for advancing engineering science relevant to rep-rated high energy density physics and inertial fusion energy experiments.

The Review of scientific instruments·2024

Same journal

Daily briefing: 'Cyborg' cockroaches breathe underwater with printed suit.

Nature·2026

Same journal

China boosts prestigious grants for young scientists - will it ease competition?

Nature·2026

Same journal

Incoming US science academy chief vows to 'double down' on research.

Nature·2026

Same journal

Author Correction: Synthesis of enantioenriched atropisomers by biocatalytic deracemization.

Nature·2026

Same journal

Electrodeposited self-assembled molecules for perovskite photovoltaics.

Nature·2026

Same journal

Neutrino's nursery found: the 'Shadow Blaster'.

Nature·2026

See all related articles

Search research articles

Related Experiment Video

Updated: Apr 26, 2026

$High Pressure Single Crystal Diffraction at PX^2$

High Pressure Single Crystal Diffraction at PX^2

Published on: January 16, 2017

Ramp compression of diamond to five terapascals.

R F Smith¹, J H Eggert¹, R Jeanloz²

¹Lawrence Livermore National Laboratory, PO Box 808, Livermore, California 94550, USA.

|July 18, 2014

Summary

This summary is machine-generated.

Scientists explored dense matter under extreme pressures using ramp compression, revealing new insights into electron-degenerate matter relevant to astrophysics and fusion energy.

More Related Videos

An Externally-Heated Diamond Anvil Cell for Synthesis and Single-Crystal Elasticity Determination of Ice-VII at High Pressure-Temperature Conditions

An Externally-Heated Diamond Anvil Cell for Synthesis and Single-Crystal Elasticity Determination of Ice-VII at High Pressure-Temperature Conditions

Published on: June 18, 2020

$Synthesis and Microdiffraction at Extreme Pressures and Temperatures$

Synthesis and Microdiffraction at Extreme Pressures and Temperatures

Published on: October 7, 2013

Related Experiment Videos

Last Updated: Apr 26, 2026

$High Pressure Single Crystal Diffraction at PX^2$

High Pressure Single Crystal Diffraction at PX^2

Published on: January 16, 2017

An Externally-Heated Diamond Anvil Cell for Synthesis and Single-Crystal Elasticity Determination of Ice-VII at High Pressure-Temperature Conditions

An Externally-Heated Diamond Anvil Cell for Synthesis and Single-Crystal Elasticity Determination of Ice-VII at High Pressure-Temperature Conditions

Published on: June 18, 2020

$Synthesis and Microdiffraction at Extreme Pressures and Temperatures$

Synthesis and Microdiffraction at Extreme Pressures and Temperatures

Published on: October 7, 2013

Area of Science:

Physics
Planetary Science
Materials Science

Background:

Exoplanet discoveries and fusion energy research drive interest in dense matter physics.
Electron-degenerate matter exhibits complex behavior at extreme pressures, influencing planetary interiors and fusion plasmas.
Advanced theoretical models, like density functional theory, are crucial for understanding these states of matter.

Purpose of the Study:

To experimentally probe the behavior of electron-degenerate matter at pressures up to 5 terapascals.
To provide new equation-of-state data for diamond under extreme compression.
To refine theoretical models of dense matter and inform astrophysical and fusion research.

Main Methods:

Utilized shock-free dynamic (ramp) compression to achieve high pressures in diamond samples.
Performed equation-of-state measurements at 3.7-fold compression and 5 terapascals peak pressure.
Compared experimental data with first-principles density functional calculations.

Main Results:

Achieved unprecedented compression of diamond to 5 terapascals (50 million atmospheres).
Generated precise equation-of-state data for dense matter under extreme conditions.
Data align with theoretical predictions and offer new constraints for astrophysical models.

Conclusions:

Ramp compression provides a viable method to study electron-degenerate matter in the laboratory.
Experimental data validate theoretical models of dense matter relevant to planets and fusion.
Findings contribute to understanding exoplanet mass-radius relationships and fusion plasma behavior.