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

Fruit Development, Structure, and Function01:58

Fruit Development, Structure, and Function

Fruits form from a mature flower ovary. As seeds develop from the ovules contained within, the ovary wall undergoes a series of complex changes to form fruit. In some fruits, such as soybeans, the ovary wall dries; in other fruits, such as grapes, it remains fleshy. In some cases, organs other than the ovary contribute to fruit formation; such fruits are called accessory fruits.
Weightlessness01:01

Weightlessness

When an object is dropped, it accelerates toward the center of the Earth. If the net external force on the object is its weight, it is said to be in free fall; that is, the only force acting on the object is gravity. Galileo was instrumental in showing that, in the absence of air resistance, all objects fall with the same acceleration g. However, when objects on the Earth fall downward, they are never truly in free fall, because there is always some upward resistance force from the air acting...
Rocket Propulsion in Empty Space - I01:13

Rocket Propulsion in Empty Space - I

The driving force for the motion of any vehicle is friction, but in the case of rocket propulsion in space, the friction force is not present. The motion of a rocket changes its velocity (and hence its momentum) by ejecting burned fuel gases, thus causing it to accelerate in the direction opposite to the velocity of the ejected fuel. In this situation, the mass and velocity of the rocket constantly change along with the total mass of ejected gases. Due to conservation of momentum, the rocket's...
Carrier Transport01:21

Carrier Transport

The generation of electrical current in semiconductors is fundamentally driven by two mechanisms: drift and diffusion. These processes are essential for the functionality and performance of semiconductor-based devices.
Drift Current:
The drift of charge carriers is started by an external electric field (E). Charged particles, such as electrons and holes, experience an acceleration between collisions with lattice atoms. For electrons, this results in a drift velocity (vd) given by:
Absolute Motion Analysis- General Plane Motion01:24

Absolute Motion Analysis- General Plane Motion

Visualize a drone, with its propellers spinning rapidly, hovering mid-air. The fascinating movements and operations of this drone can be comprehended by applying the principle of general plane motion.
As the drone's propellers rotate, an upward force is generated that counteracts the force of gravity, enabling the drone to lift off from the ground. This initial movement of the drone is along a straight path, representing a form of translational motion. In this phase, every point on the drone...
Planes in Space01:31

Planes in Space

A plane in three-dimensional space is fundamentally characterized by a point that lies on the plane and a normal vector that is perpendicular to its surface. This normal vector uniquely determines the orientation of the plane, making it an essential geometric descriptor. In architectural applications, such as the installation of a sloped glass panel on a building façade, this mathematical model provides a precise representation of the panel’s position and orientation in space.Let r₀ be the...

You might also read

Related Articles

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

Sort by
Same author

A new type of wave motion and its importance in solar physics.

Acta radiologica·2010
Same author

A meter for high voltage measurement.

The Review of scientific instruments·2010
Same author

Filamentary structures.

Science (New York, N.Y.)·1986
Same author

Electrodynamic sailing: beating into the solar wind.

Science (New York, N.Y.)·1972
Same author

Spacecraft propulsion: new methods.

Science (New York, N.Y.)·1972
Same author

Plasma physics, space research, and the origin of the solar system.

Science (New York, N.Y.)·1971
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: Jun 18, 2026

Visually Mediated Odor Tracking During Flight in Drosophila
08:50

Visually Mediated Odor Tracking During Flight in Drosophila

Published on: January 26, 2009

Apples in a spacecraft.

H Alfvén

    Science (New York, N.Y.)
    |August 6, 1971
    PubMed
    Summary
    This summary is machine-generated.

    Newtonian mechanics reveals that small body collisions in the solar system form "jet streams" instead of scattering. This finding offers new insights into meteor and asteroid streams, and potentially comet formation.

    More Related Videos

    Fruit Volatile Analysis Using an Electronic Nose
    11:02

    Fruit Volatile Analysis Using an Electronic Nose

    Published on: March 30, 2012

    Reduced-gravity Environment Hardware Demonstrations of a Prototype Miniaturized Flow Cytometer and Companion Microfluidic Mixing Technology
    13:59

    Reduced-gravity Environment Hardware Demonstrations of a Prototype Miniaturized Flow Cytometer and Companion Microfluidic Mixing Technology

    Published on: November 13, 2014

    Related Experiment Videos

    Last Updated: Jun 18, 2026

    Visually Mediated Odor Tracking During Flight in Drosophila
    08:50

    Visually Mediated Odor Tracking During Flight in Drosophila

    Published on: January 26, 2009

    Fruit Volatile Analysis Using an Electronic Nose
    11:02

    Fruit Volatile Analysis Using an Electronic Nose

    Published on: March 30, 2012

    Reduced-gravity Environment Hardware Demonstrations of a Prototype Miniaturized Flow Cytometer and Companion Microfluidic Mixing Technology
    13:59

    Reduced-gravity Environment Hardware Demonstrations of a Prototype Miniaturized Flow Cytometer and Companion Microfluidic Mixing Technology

    Published on: November 13, 2014

    Area of Science:

    • Celestial mechanics
    • Solar system dynamics
    • Astrophysics

    Background:

    • Traditional models of small body interactions in the solar system often assume scattering after collisions.
    • Previous research has not fully explored the collective behavior of small bodies under Newtonian mechanics.

    Purpose of the Study:

    • To investigate the previously overlooked consequences of Newtonian mechanics on small body behavior.
    • To propose a new model for understanding the dynamics of meteor streams, asteroid streams, and potentially comets.

    Main Methods:

    • Analysis of Newtonian mechanics applied to multi-body interactions.
    • Theoretical modeling of collision outcomes for small solar system bodies.

    Main Results:

    • Collisions between small bodies do not lead to scattering but to contraction.
    • This contraction forms a coherent structure termed a "jet stream."
    • The jet stream model has direct applications to observed meteor and asteroid streams.

    Conclusions:

    • A novel understanding of small body dynamics in the solar system emerges from Newtonian mechanics.
    • The "jet stream" phenomenon provides a unifying explanation for meteor and asteroid streams.
    • The bunching of bodies within these streams may be a mechanism for comet formation.