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

Schwarzschild Radius and Event Horizon01:21

Schwarzschild Radius and Event Horizon

2.0K
No object with a finite mass can travel faster than the speed of light in a vacuum. This fact has an interesting consequence in the domain of extremely high gravitational fields.
The minimum speed required to launch a projectile from the surface of an object to which it is gravitationally bound so that it eventually escapes the object’s gravitational field is called the escape velocity. The escape velocity is independent of the mass of the object. Merging the idea of escape...
2.0K
Acceleration due to Gravity on Other Planets01:24

Acceleration due to Gravity on Other Planets

4.2K
The gravitational acceleration of an object near the Earth's surface is called the acceleration due to gravity. It can be measured by conducting simple experiments on Earth. However, such an experiment is impossible to conduct on the surface of other planets.
Astronomical observations are thus used to measure the acceleration due to gravity on other planets. This can be determined by observing the effect of a planet's gravity on objects close to it. The crucial factor that helps in this...
4.2K
Elastic Collisions: Case Study01:15

Elastic Collisions: Case Study

13.6K
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...
13.6K
Impact01:30

Impact

137
Impact occurs when two bodies collide, leading to the application of impulsive forces between them. Analyzing impact mechanics involves considering two colliding particles moving along a line known as the line of impact, which passes through their centers and is perpendicular to the contact plane.
When particles with different initial velocities collide, they induce deformation by applying equal and opposite impulses. At the point of maximum deformation, the particles move together with...
137
Types of Impact01:30

Types of Impact

512
Impacts can be classified in various forms, primarily under two subgroups: central impact and oblique impact. A central impact occurs when two objects collide head-on, possessing opposite velocities aligned along the line of impact. Conversely, an oblique impact occurs when two objects collide at an angle, resulting in a modification of both direction and velocity.
The coefficient of restitution is a metric for understanding the dynamics of impacts. It quantifies the ratio of relative velocity...
512
Impact Loading01:19

Impact Loading

194
Impact loading occurs when a moving object collides with a stationary structure, such as a rod with a uniform cross-sectional area fixed at one end. Under these conditions, the rod absorbs the kinetic energy from the striking object, leading to deformation and subsequent stress development. As the rod returns to its original position and reaches maximum stress, the absorbed energy, initially manifested as kinetic energy, transforms entirely into strain energy.
In cases of elastic deformation,...
194

You might also read

Related Articles

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

Sort by
Same author

Evaluating the Role of Machine Learning and Artificial Intelligence in Oncology Drug Repurposing Efforts.

Journal of research in pharmacy practice·2025
Same author

A horizon scanning exercise to explore retention policies for international and minoritised NHS Trust staff in England: what are the current pledges and where are the gaps?

BMC health services research·2025
Same author

Could dark energy be changing over time?

Proceedings of the National Academy of Sciences of the United States of America·2025
Same author

Correction in <i>Science</i> rekindles debate over Microsoft's quantum computing research.

Science (New York, N.Y.)·2025
Same author

Astronomers race to study third known interstellar interloper.

Science (New York, N.Y.)·2025
Same author

Telescopes team up to probe distant worlds.

Proceedings of the National Academy of Sciences of the United States of America·2025

Related Experiment Video

Updated: Jun 16, 2025

Laboratory Drop Towers for the Experimental Simulation of Dust-aggregate Collisions in the Early Solar System
09:44

Laboratory Drop Towers for the Experimental Simulation of Dust-aggregate Collisions in the Early Solar System

Published on: June 5, 2014

12.7K

Dino-killing asteroid came from beyond Jupiter.

Adam Mann

    Science (New York, N.Y.)
    |August 15, 2024
    PubMed
    Summary

    Rare, carbon-rich meteorites may have triggered mass extinctions. Trace metals found at extinction layers provide evidence for this extraterrestrial impact event.

    Area of Science:

    • Geochemistry, Paleontology, Planetary Science

    Background:

    • Mass extinction events are often linked to catastrophic terrestrial or extraterrestrial phenomena.
    • Identifying the precise triggers for past extinctions is crucial for understanding Earth's history and future risks.

    Discussion:

    • Analysis of trace metals within geological extinction layers reveals unusual concentrations.
    • These metal signatures are consistent with a rare type of carbonaceous chondrite meteorite, not typically associated with impact events.

    Key Insights:

    • The presence of specific trace metals at the Cretaceous-Paleogene (K-Pg) boundary and other extinction layers points to a meteorite impact.
    • This finding challenges previous hypotheses and suggests carbon-rich meteorites, previously overlooked, could be significant extinction drivers.

    Outlook:

    More Related Videos

    Experimental Methods of Dust Charging and Mobilization on Surfaces with Exposure to Ultraviolet Radiation or Plasmas
    07:54

    Experimental Methods of Dust Charging and Mobilization on Surfaces with Exposure to Ultraviolet Radiation or Plasmas

    Published on: April 3, 2018

    8.1K
    Removal of Exogenous Materials from the Outer Portion of Frozen Cores to Investigate the Ancient Biological Communities Harbored Inside
    09:06

    Removal of Exogenous Materials from the Outer Portion of Frozen Cores to Investigate the Ancient Biological Communities Harbored Inside

    Published on: July 3, 2016

    8.0K

    Related Experiment Videos

    Last Updated: Jun 16, 2025

    Laboratory Drop Towers for the Experimental Simulation of Dust-aggregate Collisions in the Early Solar System
    09:44

    Laboratory Drop Towers for the Experimental Simulation of Dust-aggregate Collisions in the Early Solar System

    Published on: June 5, 2014

    12.7K
    Experimental Methods of Dust Charging and Mobilization on Surfaces with Exposure to Ultraviolet Radiation or Plasmas
    07:54

    Experimental Methods of Dust Charging and Mobilization on Surfaces with Exposure to Ultraviolet Radiation or Plasmas

    Published on: April 3, 2018

    8.1K
    Removal of Exogenous Materials from the Outer Portion of Frozen Cores to Investigate the Ancient Biological Communities Harbored Inside
    09:06

    Removal of Exogenous Materials from the Outer Portion of Frozen Cores to Investigate the Ancient Biological Communities Harbored Inside

    Published on: July 3, 2016

    8.0K
    • Further research is needed to confirm the origin and prevalence of carbonaceous chondrite impacts across different geological periods.
    • Understanding the role of these specific meteorites can refine models of impact-induced environmental change and mass extinctions.