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

Inertial Frames of Reference01:03

Inertial Frames of Reference

8.4K
Newton’s first law is usually considered to be a statement about reference frames. It provides a method for identifying a special type of reference frame: the inertial reference frame. In principle, we can make the net force on a body zero. If its velocity relative to a given frame is constant, then that frame is said to be inertial. So, by definition, an inertial reference frame is a reference frame where Newton's first law holds valid. Newton's first law applies to objects with...
8.4K
Non-inertial Frames of Reference01:27

Non-inertial Frames of Reference

6.8K
A reference frame accelerating or decelerating relative to an inertial frame is a non-inertial frame. To help understand this, consider what taking off in an airplane, turning a corner in a car, riding a merry-go-round, and the circular motion of a tropical cyclone all have in common. All these systems are accelerating, decelerating, or rotating relative to the Earth; hence, they all are non-inertial frames. All these systems exhibit inertial forces, which merely seem to arise from motion,...
6.8K
Conservation of Mass in Moving, Nondeforming Control Volume01:14

Conservation of Mass in Moving, Nondeforming Control Volume

1.2K
Stormwater detention basins are essential in managing runoff during heavy rainfall, particularly in urban areas where impervious surfaces increase the risk of flooding. Understanding the conservation of mass in these systems allows engineers to optimize basin performance, balancing inflow, outflow, and water storage.
In the context of a detention basin, the conservation of mass states that the total mass of water entering the basin must equal the mass leaving the basin plus any accumulation of...
1.2K
Conservation of Mass in Fixed, Nondeforming Control Volume01:07

Conservation of Mass in Fixed, Nondeforming Control Volume

1.5K
The principle of conservation of mass is fundamental in fluid dynamics and is crucial for analyzing flow within fixed control volumes, such as pipes or ducts. This principle states that the total mass within a control volume remains constant unless altered by the inflow or outflow of mass through the control surfaces. This results in a vital relationship for steady, incompressible flow where the mass entering a system equals the mass leaving it.
In the case of a sewer pipe, which can be modeled...
1.5K
Conservation of Momentum: Introduction01:16

Conservation of Momentum: Introduction

16.3K
The total momentum of a system consisting of N interacting objects is constant in time or is conserved. A system must meet two requirements for its momentum to be conserved:
16.3K
Conservation of Momentum: Problem Solving01:30

Conservation of Momentum: Problem Solving

11.6K
Solving problems using the conservation of momentum requires four basic steps:
11.6K

You might also read

Related Articles

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

Sort by
Same author

Microbial communities in low-pH concrete: Implications for deep geological radioactive waste repositories.

The Science of the total environment·2025
Same author

Exploring secular variation of the gravitational constant from high-resolution quasar spectra.

Scientific reports·2024
Same author

Commentary: Physical time within human time.

Frontiers in psychology·2023
Same author

Metformin suppresses progression of muscle aging via activation of the AMP kinase-mediated pathways in Drosophila adults.

European review for medical and pharmacological sciences·2022
Same author

Correction: Stuckey et al. Why the Tsirelson Bound? Bub's Question and Fuchs' Desideratum. <i>Entropy</i> 2019, <i>21</i>, 692.

Entropy (Basel, Switzerland)·2022
Same author

No Preferred Reference Frame at the Foundation of Quantum Mechanics.

Entropy (Basel, Switzerland)·2022

Related Experiment Video

Updated: Dec 7, 2025

Controlled Rotation of Human Observers in a Virtual Reality Environment
09:11

Controlled Rotation of Human Observers in a Virtual Reality Environment

Published on: April 21, 2022

2.9K

Answering Mermin's challenge with conservation per no preferred reference frame.

W M Stuckey1, Michael Silberstein2,3, Timothy McDevitt4

  • 1Department of Physics, Elizabethtown College, Elizabethtown, PA, 17022, USA. stuckeym@etown.edu.

Scientific Reports
|September 26, 2020
PubMed
Summary
This summary is machine-generated.

Conservation per no preferred reference frame (NPRF) explains Mermin's quantum entanglement device. Spin measurement outcomes conserved on average across frames, not individually, resolving quantum mysteries and linking quantum mechanics with special relativity.

More Related Videos

MPI CyberMotion Simulator: Implementation of a Novel Motion Simulator to Investigate Multisensory Path Integration in Three Dimensions
09:46

MPI CyberMotion Simulator: Implementation of a Novel Motion Simulator to Investigate Multisensory Path Integration in Three Dimensions

Published on: May 10, 2012

13.0K
Measuring Sensitivity to Viewpoint Change with and without Stereoscopic Cues
08:04

Measuring Sensitivity to Viewpoint Change with and without Stereoscopic Cues

Published on: December 4, 2013

4.7K

Related Experiment Videos

Last Updated: Dec 7, 2025

Controlled Rotation of Human Observers in a Virtual Reality Environment
09:11

Controlled Rotation of Human Observers in a Virtual Reality Environment

Published on: April 21, 2022

2.9K
MPI CyberMotion Simulator: Implementation of a Novel Motion Simulator to Investigate Multisensory Path Integration in Three Dimensions
09:46

MPI CyberMotion Simulator: Implementation of a Novel Motion Simulator to Investigate Multisensory Path Integration in Three Dimensions

Published on: May 10, 2012

13.0K
Measuring Sensitivity to Viewpoint Change with and without Stereoscopic Cues
08:04

Measuring Sensitivity to Viewpoint Change with and without Stereoscopic Cues

Published on: December 4, 2013

4.7K

Area of Science:

  • Quantum Mechanics
  • Special Relativity
  • Physics

Background:

  • Mermin's 1981 paper introduced the "Mermin device" to illustrate quantum entanglement and Bell spin states for a general audience.
  • The paper challenged physicists to explain the device's workings in accessible terms, highlighting the "conundrum" of quantum mysteries.

Purpose of the Study:

  • To explain the Mermin device using the principle of conservation per no preferred reference frame (NPRF).
  • To demonstrate how NPRF resolves the apparent paradoxes of quantum entanglement presented by the Mermin device.
  • To establish a link between non-relativistic quantum mechanics and special relativity through shared symmetries.

Main Methods:

  • Analysis of Alice and Bob's Stern-Gerlach spin measurement outcomes.
  • Application of the "conservation per no preferred reference frame" (NPRF) principle.
  • Examination of SO(3) and SU(2) symmetries in real and Hilbert space, respectively.

Main Results:

  • Explicit spin measurement conservation in the same reference frame holds only on average across different reference frames.
  • This average conservation resolves the "conundrum" of quantum entanglement illustrated by the Mermin device.
  • NPRF is shown to be responsible for special relativity's postulates, including time dilation and length contraction.

Conclusions:

  • Conservation per no preferred reference frame (NPRF) provides a clear explanation for the Mermin device.
  • The restricted Lorentz group is identified as the symmetry group connecting quantum mechanics and special relativity.
  • This framework unifies quantum mysteries with the counterintuitive aspects of relativistic physics.