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

Interference and Diffraction02:18

Interference and Diffraction

51.8K
Interference is a characteristic phenomenon exhibited by waves. When two electromagnetic waves interact with their peaks and troughs coinciding, a resulting wave with enhanced amplitude is produced. This is known as constructive interference. In this case, the two waves interacting are in phase with each other.
51.8K
Controls in Experiments01:13

Controls in Experiments

16.1K
When conducting an experiment, it is crucial to have control to reduce bias and accurately measure the dependent variables. It also marks the results more reliable. Controls are elements in an experiment that have the same characteristics as the treatment groups but are not affected by the independent variable. By sorting these data into control and experimental conditions, the relationship between the dependent and independent variables can be drawn. A randomized experiment always includes a...
16.1K
RNA Interference01:23

RNA Interference

27.8K
RNA interference (RNAi) is a process in which a small non-coding RNA molecule blocks the post-transcriptional expression of a gene by binding to its messenger RNA (mRNA) and preventing the protein from being translated.
This process occurs naturally in cells, often through the activity of genomically-encoded microRNAs. Researchers can take advantage of this mechanism by introducing synthetic RNAs to deactivate specific genes for research or therapeutic purposes. For example, RNAi could be used...
27.8K
Interference and Decay01:16

Interference and Decay

431
Forgetting is a complex cognitive phenomenon influenced by several factors, among which interference and decay are particularly prominent. These processes explain why individuals often struggle to retrieve specific information from memory, leading to lapses in recall that can be observed in everyday situations.
Interference occurs when competing memories hinder the retrieval of particular information. It can be classified into two types: proactive and retroactive interference. Proactive...
431
Electron Affinity03:07

Electron Affinity

43.1K
The electron affinity (EA) is the energy change for adding an electron to a gaseous atom to form an anion (negative ion).
43.1K
Electron Carriers01:24

Electron Carriers

91.5K
Electron carriers can be thought of as electron shuttles. These compounds can easily accept electrons (i.e., be reduced) or lose them (i.e., be oxidized). They play an essential role in energy production because cellular respiration is contingent on the flow of electrons.
Over the many stages of cellular respiration, glucose breaks down into carbon dioxide and water. Electron carriers pick up electrons lost by glucose in these reactions, temporarily storing and releasing them into the electron...
91.5K

You might also read

Related Articles

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

Sort by
Same author

Orbital magnetoresistance in the antiferromagnet CoO driven by dynamic orbital angular momentum.

Science (New York, N.Y.)·2026
Same author

Temperature-dependent mean inner potential of polystyrene spheres measured using off-axis electron holography.

Ultramicroscopy·2026
Same author

Atomic-scale quantification of individual oxygen vacancies and structural evolution in valence change memristors.

Nature communications·2026
Same author

Picosecond-scale coherent toggle switching of topological spin helicity.

Nature nanotechnology·2026
Same author

Effect of Chemical Segregation and Surface Defect Formation on the Mechanism of the Aluminum Dendrite Growth.

ACS nano·2026
Same author

Magnetic circular dichroism imaging of atomic-scale antiferromagnetic order at a buried interface.

Nature nanotechnology·2026
Same journal

Application of ephrin-B2 loaded glycol chitosan-silk fibroin hydrogel in the treatment of diabetic refractory wounds.

Scientific reports·2026
Same journal

International expert Delphi consensus on thromboprophylaxis in metabolic and bariatric surgery.

Scientific reports·2026
Same journal

Assessing the cross-region knowledge transfer capability of selected deep learning building vectorization methods in the context of available training datasets.

Scientific reports·2026
Same journal

Feasibility and preliminary effects of outdoor versus indoor cognitive-motor therapy in women with Alzheimer's disease: A randomized single-blind pilot study.

Scientific reports·2026
Same journal

Hallmarks of social action in the vocal turn-taking of wild common marmosets (Callithrix jacchus).

Scientific reports·2026
Same journal

Role and mechanism of AOPPs-induced NOX4-mediated ferroptosis in intervertebral disc degeneration.

Scientific reports·2026
See all related articles

Related Experiment Video

Updated: Jan 22, 2026

Practical Use of RNA Interference: Oral Delivery of Double-stranded RNA in Liposome Carriers for Cockroaches
08:26

Practical Use of RNA Interference: Oral Delivery of Double-stranded RNA in Liposome Carriers for Cockroaches

Published on: May 1, 2018

9.9K

The Young-Feynman controlled double-slit electron interference experiment.

Amir H Tavabi1, Chris B Boothroyd2,3, Emrah Yücelen4

  • 1Ernst Ruska-Centre for Microscopy and Spectroscopy with Electrons and Peter Grünberg Institute, Forschungzentrum Jülich, 52425, Jülich, Germany. a.tavabi@fz-juelich.de.

Scientific Reports
|July 20, 2019
PubMed
Summary
This summary is machine-generated.

Researchers experimentally demonstrated the Young-Feynman two-slit experiment using an electron microscope. This study precisely controlled slit conditions to observe quantum mechanical interference patterns.

More Related Videos

RNA Interference in Ticks
09:06

RNA Interference in Ticks

Published on: January 20, 2011

18.6K
Fabrication and Visualization of Capillary Bridges in Slit Pore Geometry
11:20

Fabrication and Visualization of Capillary Bridges in Slit Pore Geometry

Published on: January 9, 2014

9.3K

Related Experiment Videos

Last Updated: Jan 22, 2026

Practical Use of RNA Interference: Oral Delivery of Double-stranded RNA in Liposome Carriers for Cockroaches
08:26

Practical Use of RNA Interference: Oral Delivery of Double-stranded RNA in Liposome Carriers for Cockroaches

Published on: May 1, 2018

9.9K
RNA Interference in Ticks
09:06

RNA Interference in Ticks

Published on: January 20, 2011

18.6K
Fabrication and Visualization of Capillary Bridges in Slit Pore Geometry
11:20

Fabrication and Visualization of Capillary Bridges in Slit Pore Geometry

Published on: January 9, 2014

9.3K

Area of Science:

  • Quantum Mechanics
  • Electron Microscopy
  • Wave-Particle Duality

Background:

  • The Young-Feynman two-slit experiment is a cornerstone for understanding quantum mechanics.
  • Feynman's proposal to mask slits in the experiment has been a theoretical challenge.
  • Modern electron microscopy offers advanced capabilities for precise experimental control.

Purpose of the Study:

  • To experimentally realize Feynman's two-slit thought experiment with precise slit control.
  • To investigate electron interference patterns under partially or fully masked slit conditions.
  • To explore new experimental setups for observing quantum interference phenomena.

Main Methods:

  • Utilized a modern electron microscope with a high brightness gun and two biprisms.
  • Employed one biprism as a mask to control slit conditions, conjugating planes for Fraunhofer observation.
  • Introduced a second biprism to create partial slit overlap for image plane interference observations.

Main Results:

  • Achieved nearly ideal control over the covering of one slit in the two-slit experiment.
  • Successfully observed electron distribution and interference patterns under varied slit conditions.
  • Demonstrated novel interference phenomena resulting from partial slit overlap in the image plane.

Conclusions:

  • The experimental realization validates key quantum mechanical principles illustrated by the two-slit experiment.
  • The study provides a practical method for investigating wave-particle duality with advanced electron microscopy.
  • The presented techniques open new avenues for exploring quantum phenomena in electron optics.