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

Cluster Sampling Method01:20

Cluster Sampling Method

12.7K
Appropriate sampling methods ensure that samples are drawn without bias and accurately represent the population. Because measuring the entire population in a study is not practical, researchers use samples to represent the population of interest.
To choose a cluster sample, divide the population into clusters (groups) and then randomly select some of the clusters. All the members from these clusters are in the cluster sample. For example, if you randomly sample four departments from your...
12.7K
Multimachine Stability01:25

Multimachine Stability

229
Multimachine stability analysis is crucial for understanding the dynamics and stability of power systems with multiple synchronous machines. The objective is to solve the swing equations for a network of M machines connected to an N-bus power system.
In analyzing the system, the nodal equations represent the relationship between bus voltages, machine voltages, and machine currents. The nodal equation is given by:
229
Distribution Reliability and Automation01:25

Distribution Reliability and Automation

157
Distribution reliability in electrical power systems is critical for ensuring an uninterrupted power supply to consumers at minimal cost. According to IEEE Standard Terms, reliability is the probability that a device will function without failure over a specified time period or amount of usage. For electric power distribution, this translates to maintaining continuous power supply and addressing customer concerns over power outages. Several indices, as defined by IEEE Standard 1366-2012, are...
157
Lattice Centering and Coordination Number02:33

Lattice Centering and Coordination Number

9.9K
The structure of a crystalline solid, whether a metal or not, is best described by considering its simplest repeating unit, which is referred to as its unit cell. The unit cell consists of lattice points that represent the locations of atoms or ions. The entire structure then consists of this unit cell repeating in three dimensions. The three different types of unit cells present in the cubic lattice are illustrated in Figure 1.
Types of Unit Cells
Imagine taking a large number of identical...
9.9K
Elastic Collisions: Case Study01:15

Elastic Collisions: Case Study

14.3K
Elastic collision of a system demands conservation of both momentum and kinetic energy. To solve problems involving one-dimensional elastic collisions between two objects, the equations for conservation of momentum and conservation of internal kinetic energy can be used. For the two objects, the sum of momentum before the collision equals the total momentum after the collision. An elastic collision conserves internal kinetic energy, and so the sum of kinetic energies before the collision equals...
14.3K
Elastic Collisions: Introduction01:00

Elastic Collisions: Introduction

13.1K
An elastic collision is one that conserves both internal kinetic energy and momentum. Internal kinetic energy is the sum of the kinetic energies of the objects in a system. Truly elastic collisions can only be achieved with subatomic particles, such as electrons striking nuclei. Macroscopic collisions can be very nearly, but not quite, elastic, as some kinetic energy is always converted into other forms of energy such as heat transfer due to friction and sound. An example of a nearly...
13.1K

You might also read

Related Articles

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

Sort by
Same author

How surface curvature shapes water nanodroplets in air.

Journal of physics. Condensed matter : an Institute of Physics journal·2026
Same author

Superefficient optical frequency division referenced to μHz Schawlow-Townes-linewidth quantum noise-limited lasers.

Science advances·2026
Same author

Toward integrated security and monitoring: perception-embedded modulation for DCIs.

Optics letters·2026
Same author

Author Correction: Gut microbiota-modulated glutamic acid rejuvenates the quality of oocytes deteriorated by advanced reproductive age.

EMBO molecular medicine·2026
Same author

Precise l-threonine-to-l-isoleucine pathway regulation for engineering high-efficiency whole-cell biocatalysts.

Synthetic and systems biotechnology·2026
Same author

Scaling Up Occupancy-centric Driving Scene Generation: Dataset and Method.

IEEE transactions on pattern analysis and machine intelligence·2026
Same journal

Denoising algorithm of Φ-OTDR systems based on adaptive fractional wavelet transform denoising.

Optics express·2026
Same journal

Millisecond photon-to-photon latency and high-speed volumetric projection system for optogenetics.

Optics express·2026
Same journal

Polarization-encoded coaxial structured light for high-precision 3D surface profilometry.

Optics express·2026
Same journal

Discrete freeform optical design based on collaborative optimization of point cloud and local normals.

Optics express·2026
Same journal

Ultrafast ghost imaging with 25 GHz speckle switching and wavelength-division multiplexing.

Optics express·2026
Same journal

Atomic vapor cells fabricated by femtosecond laser welding of standard-optical-quality glass.

Optics express·2026
See all related articles

Related Experiment Video

Updated: Sep 11, 2025

Computation of Atmospheric Concentrations of Molecular Clusters from ab initio Thermochemistry
12:11

Computation of Atmospheric Concentrations of Molecular Clusters from ab initio Thermochemistry

Published on: April 8, 2020

8.3K

Chaos key update using constellation selection and clustering for data centers.

Yanwei Li, Chongfu Zhang, Xinshuai Liang

    Optics Express
    |August 13, 2025
    PubMed
    Summary
    This summary is machine-generated.

    This study introduces a novel chaos key update scheme for data centers, enhancing security and efficiency. The method uses constellation selection and clustering for secure key transmission, improving data center security.

    More Related Videos

    Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit
    05:30

    Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit

    Published on: September 8, 2023

    659
    Spatial Separation of Molecular Conformers and Clusters
    10:37

    Spatial Separation of Molecular Conformers and Clusters

    Published on: January 9, 2014

    9.1K

    Related Experiment Videos

    Last Updated: Sep 11, 2025

    Computation of Atmospheric Concentrations of Molecular Clusters from ab initio Thermochemistry
    12:11

    Computation of Atmospheric Concentrations of Molecular Clusters from ab initio Thermochemistry

    Published on: April 8, 2020

    8.3K
    Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit
    05:30

    Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit

    Published on: September 8, 2023

    659
    Spatial Separation of Molecular Conformers and Clusters
    10:37

    Spatial Separation of Molecular Conformers and Clusters

    Published on: January 9, 2014

    9.1K

    Area of Science:

    • Computer Science
    • Cryptography
    • Optical Communications

    Background:

    • Data center key updates are critical but consume significant channel resources.
    • Existing methods face challenges in efficiency and security.
    • Secure and efficient key management is vital for modern data centers.

    Purpose of the Study:

    • To propose a chaos key update scheme for data centers using constellation selection and clustering.
    • To enhance the security and efficiency of physical layer key updates.
    • To provide a reliable method for transmitting encryption keys in data centers.

    Main Methods:

    • Encryption of keys using a 4D hyperchaotic system to generate encryption keys (EK).
    • Embedding EK using different constellation mapping rules.
    • Extraction of EK on the receiving side using mean shift clustering for accurate judgment.

    Main Results:

    • Successful transmission of a 70.59 Gb/s power division multiplexing-based discrete multi-tone (PDM-DMT) signal.
    • Achieved 1.17 Gb/s error-free key transmission over a 25 km fiber.
    • Demonstrated improved accuracy in extracting encryption keys.

    Conclusions:

    • The proposed scheme enables flexible and secure key updates in data centers.
    • The method enhances resistance to potential attacks, securing the physical layer.
    • This approach offers a reliable solution for data center key management and security.