Video Experimental Relacionado
Updated: Mar 19, 2026
06:35
Implementation of a Hyperbolic Vortex Plasma Reactor for the Removal of Micropollutants in Water
Published on: July 25, 2025
1.2K
Descarga eléctrica desde la parte superior de una nube eléctrica hasta la parte inferior de la ionosfera
Victor P Pasko1, Mark A Stanley, John D Mathews
1CSSL Laboratory, Penn State University, University Park, Pennsylvania 16802, USA. vpasko@psu.edu
Nature
|March 15, 2002
Resumen
Los investigadores registraron un raro chorro azul, un tipo de rayo, que se extiende inusualmente alto en la atmósfera. Este fenómeno puede ser una parte clave, previamente pasada por alto, del circuito eléctrico global de la Tierra.
Área de la Ciencia:
- Física de la atmósfera física de la atmósfera.
- El electromagnetismo es el electromagnetismo.
- Los fenómenos ópticos son fenómenos ópticos.
Sus antecedentes:
- Desde hace más de un siglo se han reportado fenómenos luminosos inusuales por encima de las nubes eléctricas.
- Se han identificado dos tipos principales de rayos de la atmósfera superior, los sprites y los chorros azules.
- Las investigaciones anteriores carecían de datos experimentales concluyentes sobre el contacto eléctrico directo entre las nubes eléctricas y la ionosfera.
Objetivo del estudio:
- Proporcionar pruebas experimentales de descargas eléctricas entre las nubes eléctricas y la atmósfera superior.
- Para analizar las características de un único evento de chorro azul.
Principales métodos:
- Grabación de video de un evento de chorro azul en el Observatorio de Arecibo, Puerto Rico.
- Análisis de la trayectoria de propagación y la altitud del flash.
- Observación del fenómeno por encima de una pequeña célula de tormenta eléctrica.
Principales resultados:
- Se registró un chorro azul que se propagaba desde una nube de trueno a una altitud de aproximadamente 70 km.
- Por encima de los 42 km, el chorro azul mostraba características típicas de los sprites.
- El evento ocurrió por encima de una relativamente pequeña tormenta eléctrica.
Conclusiones:
- El fenómeno observado sugiere una potencial vía eléctrica directa entre las nubes eléctricas y la ionosfera inferior.
- Este evento puede representar un componente no contabilizado del circuito eléctrico global.
- Se necesita más investigación para comprender la prevalencia y las implicaciones de tales eventos.
Más Videos Relacionados
Videos de Conceptos Relacionados
01:30The Electrical Double Layer
112
In the region where two bulk phases meet, an intricate electric charge distribution arises due to charge transfer, ion adsorption, molecular orientation, and charge distortion. This complex distribution is commonly referred to as the electrical double layer.When a solid electrode interfaces with ions in an electrolyte solution, the speed of electron transfer dictates the rates of oxidation and reduction. The electrode acquires a charge through the escape of atoms into the solution as cations or...
112
01:16Equipotential Surfaces and Conductors
4.6K
For a conductor in which all charges are at rest, the conductor's surface is equipotential. The electric field is always perpendicular to equipotential surfaces. Therefore, in a conductor with static charges, the electric field just outside the conductor is always perpendicular to the conductor's surface. Any tangential component of the electric field will cause charges to move inside the conductor, which will violate the electrostatic nature of the system. In an electrostatic...
4.6K
01:11Electric Charges
24.5K
From lightning during thunderstorms to electronic devices, the phenomenon of electromagnetism is all around us. The electromagnetic force is one of the four fundamental forces of nature. It has been known to humanity in various forms for thousands of years. For example, the ancient Greek philosopher Thales of Miletus recorded his experiments on static electricity using amber and fur in the sixth century BC.
The English physicist William Gilbert studied the phenomenon of static electricity in...
The English physicist William Gilbert studied the phenomenon of static electricity in...
24.5K
01:23Electric Field of a Charged Disk
3.5K
The simplest case of a surface charge distribution is the uniformly charged disk. Calculating its electric field also helps us calculate the electric field of a large plane of charge.
The system's symmetry is in the cylindrical directions across the plane of the charge. As a result, the electric fields created by various surface charge elements nullify each other in the direction parallel to the surface. Thereby, the resulting electric field is perpendicular to the plane. Since the disk is...
The system's symmetry is in the cylindrical directions across the plane of the charge. As a result, the electric fields created by various surface charge elements nullify each other in the direction parallel to the surface. Thereby, the resulting electric field is perpendicular to the plane. Since the disk is...
3.5K
01:19Drift Velocity
5.9K
The high speed of electrical signals results from the fact that the force between charges acts rapidly at a distance. Thus, when a free charge is forced into a wire, the incoming charge pushes other charges ahead due to the repulsive force between like charges. These moving charges move the charges farther down the line. The density of charge in a system cannot easily be increased, so the signal is passed on rapidly. The resulting electrical shock wave moves through the system at nearly the...
5.9K
01:15Van de Graaff Generator
2.7K
Van de Graaff generators (or Van de Graaffs) are devices used to demonstrate high voltage due to static electricity that can also be used for research. Robert Van de Graaff first built one in 1931 (based on original suggestions by Lord Kelvin) for use in nuclear physics research.
Van de Graaff uses both smooth and pointed surfaces, conductors, and insulators to generate large static charges and, hence, large voltages. A substantial excess charge can be deposited on the sphere because it moves...
Van de Graaff uses both smooth and pointed surfaces, conductors, and insulators to generate large static charges and, hence, large voltages. A substantial excess charge can be deposited on the sphere because it moves...
2.7K