Jove
Visualize
Contact Us

Related Concept Videos

The Number e as a Limit01:29

The Number e as a Limit

85
The number e is a fundamental constant in calculus, playing a central role in describing continuous change, particularly exponential growth. It is most naturally defined through its relationship with the natural logarithm, which is the inverse of the exponential function with base e. This relationship allows e to be characterized using basic principles of differentiation rather than as an arbitrary numerical constant.A key property of the natural logarithm function, ln x, is that its derivative...
85
Limits at Infinity01:24

Limits at Infinity

320
The function that decreases as the input becomes very large provides a clear example of how mathematical functions can behave at extreme values. When the input increases continuously, the output becomes smaller and smaller, getting closer to a particular fixed value. Although the output never actually reaches this value, it moves nearer to it without limit. This behavior is a fundamental concept in understanding how functions behave as the input grows indefinitely. The graphical representation...
320
Introduction to Limits01:30

Introduction to Limits

228
A limit describes the value a function approaches as its input moves closer to a particular point. Even when a function is undefined at a specific value, limits allow us to analyze its behavior near that point. This concept is fundamental in calculus and essential for understanding continuity, derivatives, and integrals.Mathematically, a function f(x) has a limit L at x = a if its values L approach x as x gets arbitrarily close to a. This is written as:This notation expresses that the function...
228
Types of Limits I01:23

Types of Limits I

178
Limits are a key mathematical concept for understanding how functions behave as their input approaches specific values, particularly when the function is undefined. They help reveal trends and discontinuities by examining the values a function approaches rather than its actual value.One-sided limits focus on the direction from which a value is approached. When a function behaves differently depending on whether the input approaches from the left or the right, the two one-sided limits may not...
178
Limit Laws I01:25

Limit Laws I

220
Limit laws provide essential tools for analyzing how functions behave as their input approaches a specific value. These laws are particularly useful when dealing with combinations of functions, provided the individual limits exist. The Sum and Difference Laws state that the limit of the sum or difference of two functions equals the sum or difference of their respective limits:The Product Law asserts that the limit of the product of two functions equals the product of their individual limits:A...
220
Limiting Reactant02:27

Limiting Reactant

70.0K
The relative amounts of reactants and products represented in a balanced chemical equation are often referred to as stoichiometric amounts. However, in reality, the reactants are not always present in the stoichiometric amounts indicated by the balanced equation.
70.0K

You might also read

Related Articles

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

Sort by
Same author

The real magic of magic therapy: Improving daily bimanual task performance in children with unilateral spastic cerebral palsy.

Developmental medicine and child neurology·2024
Same author

Regaining creativity in science: insights from conversation.

Royal Society open science·2023
Same author

Cross-disciplinary perspectives on the transition to remote education.

BMJ simulation & technology enhanced learning·2022
Same author

Medicine, magic, and online performance.

Lancet (London, England)·2021
Same journal

To appear in a new light: Varying illumination colors induce dynamic transformations of perceptual qualities in still images.

i-Perception·2026
Same journal

Pseudo-slimy: A novel phenomenon to evoke stickiness perception.

i-Perception·2026
Same journal

Predictive visual uncertainty around moving trajectories influences causality judgments in launching displays.

i-Perception·2026
Same journal

Light and shape in the work of Robert Fones.

i-Perception·2026
Same journal

Sensorimotor numerosity uniquely supports arithmetic development in children.

i-Perception·2026
Same journal

In praise of anaglyphs.

i-Perception·2026
See all related articles
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 Experiment Video

Updated: Jan 29, 2026

The Number e as a Limit
01:29

The Number e as a Limit

Published on: January 12, 2026

85

Impossible Movement Illusions.

Richard Wiseman1, Will Houstoun2

  • 1University of Hertfordshire, UK.

I-Perception
|January 11, 2019
PubMed
Summary
This summary is machine-generated.

This study explores novel optical illusions, including magic tricks, that create the illusion of penetration. These principles were applied to enhance a hand-penetration illusion, offering new insights into visual perception.

Keywords:
body perceptionillusionmagicmotionperceptionperceptual organization

More Related Videos

Types of Limits I
01:23

Types of Limits I

Published on: November 26, 2025

178
Limiting Reactant and Calculation from Reaction Stoichiometry
02:27

Limiting Reactant and Calculation from Reaction Stoichiometry

70.0K

Related Experiment Videos

Last Updated: Jan 29, 2026

The Number e as a Limit
01:29

The Number e as a Limit

Published on: January 12, 2026

85
Types of Limits I
01:23

Types of Limits I

Published on: November 26, 2025

178
Limiting Reactant and Calculation from Reaction Stoichiometry
02:27

Limiting Reactant and Calculation from Reaction Stoichiometry

70.0K

Area of Science:

  • Psychology
  • Visual Perception
  • Cognitive Science

Background:

  • The phi phenomenon has been previously used to simulate object penetration.
  • Academic psychology has largely overlooked several potent optical illusions.
  • Magic communities have developed sophisticated illusions demonstrating apparent penetration.

Purpose of the Study:

  • To introduce and analyze three lesser-known optical illusions.
  • To investigate the psychological principles underlying these penetration illusions.
  • To enhance a hand-penetration illusion using insights from magic-based illusions.

Main Methods:

  • Analysis of two illusions from the magic community (finger jump, cup penetration).
  • Deconstruction of the underlying perceptual factors.
  • Application of these factors to refine a hand-penetration illusion.

Main Results:

  • Identification of key factors contributing to the perceived penetration.
  • Successful enhancement of a hand-penetration illusion based on magic principles.
  • Demonstration of how principles from magic can inform psychological research.

Conclusions:

  • Novel optical illusions, particularly those from magic, offer valuable insights into visual perception.
  • The principles behind these illusions can be systematically studied and applied.
  • Further research into magic-derived illusions can advance our understanding of perceptual phenomena.