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

Cerebral Hemispheres01:05

Cerebral Hemispheres

1.8K
The human brain, a complex organ, is functionally divided into two cerebral hemispheres—left and right. These hemispheres are interconnected by a structure of paramount importance, the corpus callosum. This substantial bundle of neural fibers is not just a bridge between the hemispheres but a crucial element for the brain's comprehensive functioning. It enables efficient communication between the two hemispheres, allowing each side of the brain to control and receive sensory and motor...
1.8K
Kepler's First Law of Planetary Motion01:10

Kepler's First Law of Planetary Motion

5.2K
In the early 17th century, German astronomer and mathematician Johannes Kepler postulated three laws for the motion of planets in the solar system. He formulated his first two laws based on the observations of his forebears, Nikolaus Copernicus and Tycho Brahe.
Polish astronomer Nikolaus Copernicus put forth a theory that stated a heliocentric model for the solar system. According to this heliocentric theory, all the planets, including Earth, orbit the Sun in circular orbits.
On the other hand,...
5.2K
Conservation of Mechanical Energy01:05

Conservation of Mechanical Energy

24.4K
The mechanical energy E of a system is the sum of its potential energy U and the kinetic energy K of the objects within it. What happens to this mechanical energy when only conservative forces cause energy transfers within the system—that is, when frictional and drag forces do not act on the objects in the system? Also assume that the system is isolated from its environment; in other words no external force from an object outside the system causes energy changes inside the system.
When a...
24.4K
Cyclic Processes And Isolated Systems01:19

Cyclic Processes And Isolated Systems

3.3K
A thermodynamic system with zero heat exchange and work is an isolated system. For these systems, the internal energy remains constant.
In the case of a non-isolated system, the change in the internal energy is zero only if the process is cyclic. A thermodynamic process is considered cyclic if the system undergoes a series of changes and returns to its initial state. 
Consider a cyclic process that returns to its initial state, undergoing a four-step process. The heat transfer along each...
3.3K
Energy of a Satellite in a Circular Orbit01:11

Energy of a Satellite in a Circular Orbit

2.8K
Thousands of artificial satellites orbit the Earth every day at various distances from the Earth. Satellites that orbit the Earth below an altitude of 1,600 km are considered to be orbiting in low-Earth orbit (LEO). Research satellites and Earth observation satellites are usually placed in LEO, and mostly orbit the Earth in elliptical orbits. Navigation satellites are placed in medium-Earth orbit (MEO), ranging from 2,000 km to 36,000 km from the surface of the Earth. Meanwhile, communication...
2.8K
Entropy Change in Reversible Processes01:10

Entropy Change in Reversible Processes

3.1K
In the Carnot engine, which achieves the maximum efficiency between two reservoirs of fixed temperatures, the total change in entropy is zero. The observation can be generalized by considering any reversible cyclic process consisting of many Carnot cycles. Thus, it can be stated that the total entropy change of any ideal reversible cycle is zero.
The statement can be further generalized to prove that entropy is a state function. Take a cyclic process between any two points on a p-V diagram.
3.1K

You might also read

Related Articles

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

Sort by
Same journal

LncRNA AK093407-IFITM1- Wnt/β-catenin regulation axis in colorectal cancer.

Science progress·2026
Same journal

Exploration of the potential utilization value in <i>Cordyceps militaris</i> substrate after industrial cultivation in terms of nutritional and pharmaceutical applications.

Science progress·2026
Same journal

Initial stress effects on fractional thermoelastic wave propagation in semiconductor media under three thermoelasticity theories.

Science progress·2026
Same journal

Diagnostic accuracy of ultrasound-based fetal weight estimation and prediction modeling for low birth weight: A retrospective cohort study in Northwest Ethiopia.

Science progress·2026
Same journal

Effectiveness of AST-120 and probiotics (<i>lactobacillus</i>) on renal function in patients with chronic kidney disease: A retrospective cohort study from the TriNetX global collaborative network.

Science progress·2026
Same journal

Differential burden of diabetic foot ulcers in individuals with type 1 and type 2 diabetes: A narrative review of prevalence, healing, recurrence, and outcomes.

Science progress·2026

Related Experiment Video

Updated: Dec 18, 2025

Evaluation of Hemisphere Lateralization with Bilateral Local Field Potential Recording in Secondary Motor Cortex of Mice
07:03

Evaluation of Hemisphere Lateralization with Bilateral Local Field Potential Recording in Secondary Motor Cortex of Mice

Published on: July 31, 2019

7.1K

Parameterization of energy cycles between the hemispheres.

Nabil H Swedan1

  • 1Pacific Engineering PLLC, Redmond, WA, USA.

Science Progress
|June 11, 2020
PubMed
Summary

Hemispheric temperature differences create energy cycles influencing tropical cyclones. Climate change is altering these cycles, potentially increasing cyclone frequency and energy.

Area of Science:

  • Atmospheric science
  • Climate dynamics
  • Tropical meteorology

Background:

  • Seasonal temperature variations between hemispheres drive energy cycles influencing tropical cyclone activity.
  • Differential warming between the Northern and Southern Hemispheres has led to the development of climate energy cycles.
  • Interactions between seasonal and climate energy cycles affect tropical cyclone counts.

Purpose of the Study:

  • To parameterize the physics of energy oscillations between hemispheres.
  • To demonstrate the existence of climate energy cycles.
  • To reveal interactions between climate and seasonal energy cycles.

Main Methods:

  • Parameterization of energy oscillations between hemispheres.
  • Analysis of seasonal and climate energy cycle interactions.
Keywords:
Seasonal variationsclimate changehydraulicspoleward heat transportthermohaline circulationtropical cyclones

More Related Videos

Surface Renewal: An Advanced Micrometeorological Method for Measuring and Processing Field-Scale Energy Flux Density Data
09:55

Surface Renewal: An Advanced Micrometeorological Method for Measuring and Processing Field-Scale Energy Flux Density Data

Published on: December 12, 2013

9.0K
Central and Divided Visual Field Presentation of Emotional Images to Measure Hemispheric Differences in Motivated Attention
05:36

Central and Divided Visual Field Presentation of Emotional Images to Measure Hemispheric Differences in Motivated Attention

Published on: November 16, 2017

7.8K

Related Experiment Videos

Last Updated: Dec 18, 2025

Evaluation of Hemisphere Lateralization with Bilateral Local Field Potential Recording in Secondary Motor Cortex of Mice
07:03

Evaluation of Hemisphere Lateralization with Bilateral Local Field Potential Recording in Secondary Motor Cortex of Mice

Published on: July 31, 2019

7.1K
Surface Renewal: An Advanced Micrometeorological Method for Measuring and Processing Field-Scale Energy Flux Density Data
09:55

Surface Renewal: An Advanced Micrometeorological Method for Measuring and Processing Field-Scale Energy Flux Density Data

Published on: December 12, 2013

9.0K
Central and Divided Visual Field Presentation of Emotional Images to Measure Hemispheric Differences in Motivated Attention
05:36

Central and Divided Visual Field Presentation of Emotional Images to Measure Hemispheric Differences in Motivated Attention

Published on: November 16, 2017

7.8K

  • Quantification of energy magnitudes for tropical cyclones and climate cycles.
  • Main Results:

    • Climate energy cycles possess magnitudes sufficient to alter tropical cyclone energy and frequency.
    • Tropical cyclone counts show an increasing trend.
    • Interactions between seasonal and climate energy cycles impact tropical cyclone activity.

    Conclusions:

    • Climate change may be altering the energy and frequency of tropical cyclones.
    • The parameterization developed can aid researchers in gathering coordinated data on these energy cycles.
    • Understanding these hemispheric energy dynamics is crucial for predicting future tropical cyclone behavior.