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Related Concept Videos

Kinetic Energy - II00:56

Kinetic Energy - II

The kinetic energy of a particle is one-half of the product of the particle’s mass and the square of its speed. Note that just as Newton’s second law can be expressed as either the rate of change of momentum or mass multiplied by the rate of change of velocity, so too can the kinetic energy of a particle be expressed in terms of its mass and momentum, instead of its mass and velocity.
The Quantum-Mechanical Model of an Atom02:45

The Quantum-Mechanical Model of an Atom

Shortly after de Broglie published his ideas that the electron in a hydrogen atom could be better thought of as being a circular standing wave instead of a particle moving in quantized circular orbits, Erwin Schrödinger extended de Broglie’s work by deriving what is now known as the Schrödinger equation. When Schrödinger applied his equation to hydrogen-like atoms, he was able to reproduce Bohr’s expression for the energy and, thus, the Rydberg formula governing hydrogen spectra. Schrödinger...
Subatomic Particles03:37

Subatomic Particles

Dalton was only partially correct about the particles that make up matter. All matter is composed of atoms, and atoms are composed of three smaller subatomic particles: protons, neutrons, and electrons. These three particles account for the mass and the charge of an atom.
Kinetic Energy - I01:18

Kinetic Energy - I

It’s plausible to suppose that the greater the velocity of a body, the greater effect it could have on other bodies. This does not depend on the direction of the velocity, only its magnitude. At the end of the seventeenth century, a quantity was introduced into mechanics to explain collisions between two perfectly elastic bodies, in which one body makes a head-on collision with an identical body at rest. When they collide, the first body stops, and the second body moves off with the initial...
Kinetic Energy00:23

Kinetic Energy

Kinetic energy is the ability of an object in motion to do work or enact change. It can take on many forms. For instance, water flowing down a waterfall has kinetic energy. In biological systems, particles of light travel and are absorbed by plants to create chemical energy. Animals consume the chemical energy and give off molecules that carry their scent through the air. They also generate kinetic energy when they run away from predators. Entire systems also possess kinetic energy, like the...
Molecular Kinetic Energy01:21

Molecular Kinetic Energy

The word "gas" comes from the Flemish word meaning "chaos," first used to describe vapors by the chemist J. B. van Helmont. Consider a container filled with gas, with a continuous and random motion of molecules. During collisions, the velocity component parallel to the wall is unchanged, and the component perpendicular to the wall reverses direction but does not change in magnitude. If the molecule’s velocity changes in the x-direction, then its momentum is changed. During the short time of the...

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Related Experiment Video

Updated: Jul 19, 2026

Real-Time Proxy-Control of Re-Parameterized Peripheral Signals using a Close-Loop Interface
11:54

Real-Time Proxy-Control of Re-Parameterized Peripheral Signals using a Close-Loop Interface

Published on: May 8, 2021

Quantum choreography: making molecules dance to technology's tune?

Sonia G Schirmer1

  • 1Department of Applied Maths & Theoretical Physics, University of Cambridge, Wilberforce Road, Cambridge CB3 0WA, UK. sgs29@cam.ac.uk

Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences
|November 9, 2006
PubMed
Summary

Controlling quantum phenomena enables new technologies. This study reviews quantum control techniques, applications, and challenges for realizing quantum technologies.

Related Experiment Videos

Last Updated: Jul 19, 2026

Real-Time Proxy-Control of Re-Parameterized Peripheral Signals using a Close-Loop Interface
11:54

Real-Time Proxy-Control of Re-Parameterized Peripheral Signals using a Close-Loop Interface

Published on: May 8, 2021

Area of Science:

  • Quantum physics
  • Quantum control
  • Emerging technologies

Background:

  • Quantum phenomena offer potential for novel technological applications.
  • Effective control over quantum systems is crucial for harnessing these phenomena.
  • Significant challenges exist in achieving precise quantum control.

Purpose of the Study:

  • To explore the potential of quantum control in developing new technologies.
  • To provide an overview of current quantum control techniques and their applications.
  • To identify key challenges and future directions in quantum technology development.

Main Methods:

  • Review of established quantum control techniques.
  • Analysis of successful applications in manipulating quantum phenomena.
  • Discussion of the advantages and limitations of different methods.

Main Results:

  • Quantum control techniques have been successfully applied to various quantum phenomena.
  • Potential applications span multiple technological domains.
  • Key challenges include scalability, decoherence, and precision.

Conclusions:

  • Quantum control is fundamental to the realization of quantum technologies.
  • Overcoming current challenges is essential for future advancements.
  • Continued research is needed to translate quantum control into practical applications.