Articles related to "Magnetic Field"



Understanding Lenz's Law
Lenz's law, giving the direction of induced electromagnetic fields, is a consequence of the law of conservation of energy.
lenz's law conservation of energy faraday induction electromagnetic

Understanding Ampere's Law
Ampere's Law allows physicists to determine the magnitude and direction of the magnetic field induced by an electric current.
ampere's law andre ampere magnetic fields electric current electromagnetic

What Are Electromagnetic Waves?
Visible, ultraviolet, and infrared light as well as X-rays and all types of radio waves are types of electromagnetic waves or electromagnetic radiation.
electromagnetic waves electric fields magnetic fields infrared light ultraviolet light

The Electromagnetic Field
An electric current creates a curling magnetic field. When placed in an external field, a force acts on the wire. This magnetic force is what drives the electric motor.
electromagnetic field magnetic force electric motor circular magnetic field hans christian oersted

Oersted's Electromagnetic Effects
During a class, Oersted noticed that a compass near a wire carrying electricity was affected by the current induced magnetic field.
oersted electromagnetic magnetic fields electricity magnetism

Understanding Faraday's Law
A changing magnetic field will induce an electric current and corresponding electric potential difference according to Faraday's Law of electromagnetic induction.
faraday induction electromagnetic electric current electromotive force

The Electromagnetic Spectrum
What is the electromagnetic spectrum? It consists of all types of electromagnetic waves, including radio waves, X & gamma rays, & visible, ultraviolet, & infrared light.
what is the electromagnetic spectrum electromagnetic waves electromagnetic radiation infrared light visible light

Rock Magnetism
Plate Tectonic theory revolutionized the science of geology. The study of magnetism in rocks was one of the keys that led to this grand unifying theory of geology.
geology geophysics earth science earth science

Basic Properties of Magnets
Magnets are fascinating objects for anyone ranging from the child to the engineer. They can be a source of fun and we can also probe and quantify their curious properties
magnets magnetic magnet properties properties of magnets

Magnetic Brakes and Lenz's Law
A fun physics science lab for kids that uses magnets to illustrate Faraday's law and Lenz's law via a magnetic brake effect.
lenz's law magnets magnetic brake classroom science experiments physics demonstration

Faraday Cages and Lightning Safety
An enclosed metal shell acting as a Faraday cage can offer protection from lightning and other electrical effects.
faraday cage faraday effect michael faraday lightning safety electric field

Magnetic Sampling and Analysis
Sampling and analysis of rocks for their magnetic properties is a complicated and tedious process. The results though, have helped to revolutionize the science of geology.
geology geophysics earth science earth science

MICROWAVE OVENS: AN INTRODUCTION
Microwave ovens have infiltrated our lives to such an extent that life without them has become impossible. The ability of a microwave oven to quickly and safely cook food appeals to all of us. But how safe is it? This series of articles will study and analyze the microwave oven and its working in detail and try to give you an orientation as to what that little box on your kitchen counter really is. The first article is about the origins of the microwave oven and its components.
microwaves radar equipment microwave oven electromagnetic radiation electromagnetic energy

Studying the Planets' Magnetic Fields with MHD
A short discussion of the magnetospheres of planets and their simulation via magnetohydrodynamics.
magnetohydrodynamics mhd simulation planet magnetosphere

Understanding the Faraday Cage
A Faraday cage is an enclosed conducting shell that shields its interior from strong electric fields and electromagnetic waves.
faraday cage faraday effect michael faraday electric field electromagnetic

Pulsars: Mighty Mice
a brief description of pulsars
pulsar supernova stellar evolution

Health Effects of Electromagnetic Fields (EMFs)
Does exposure to electromagnetic fields (EMFs) cause cancer? Short answer: Who knows?

Don't Stare at the Sun!
This article explains what sunspots and solar flares are. It also charts the history of their discovery through time.
sunspot;solar flare;sun;magnetic field;plasma;x-ra

Nuclear Density, Stellar Mass: Neutron Stars and Pulsars Continu
astronomy supernovae binary pulsars

Cracked Magnets & a Chevy Beretta
Today we discuss what happens when the magnet on a distributor shaft cracks and help a person that has a 1990 Chevy Beretta with an A/C compressor clutch problem.
transmission flush intake manifold gasket

Importance of Maxwell's Equations
Maxwell's equations synthesized physicists' understanding of electrodynamics and predicted the existence of electromagnetic waves.
maxwell's equations electromagnetic wave electrodynamics electromagnetic james clerk maxwell

Mariner 10 Mission Summary
Mariner 10, the seventh successful mission of the Mariner series in the 1970's encountered both Venus and Mercury and led to several key planetary discoveries.
mariner 10 mercury venus early space missions space science

Microwave Ovens Heat Food Unevenly
Why is microwave heating of food often uneven so that one bite is scalding while the next is still frozen?
microwave ovens microwave ovens heat food unevenly microwaves electromagnetic waves microwave heating

Solar Faculae
Faculae are bright regions on the Sun's photosphere affecting solar energy output. Changes in the number of faculae and sunspots may play a role in global climate change.
sun solar faculae photosphere chromosphere sunspot

Seafloor Spreading, Part 1
A revolution spread through the science of geology in the 1960’s and culminated in the theory of plate tectonics. The theory was supported by key research conducted in and under the world’s oceans that led to the idea of seafloor spreading.
geology geophysics earth science earth science

Mag-lev
First conceived around 1907, Mag-lev did not become a practical reality until 1984. But, the age of the mag-lev rail is coming soon.
mag-lev magnetic levitation repulsion electro-magnet

Project Magnet
First Canadian government sponsored UFO study.
extraterrestrial technology sub-nucleon

Transformers
A transformer is a machine simple in design, but sublime in its simplicity.
transformer magnetic inductance magnetic field wire coil windings

Chevy Silverado Charging System
Your auto repair questions answered about a 1994 Chevy Silverado with a charging system problem.
chevy silverado alternator battery transmission

How Do Microwave Ovens Work?
How do microwave ovens cook food? How is the energy of the microwaves converted to heat energy in our meals? How does microwave heating work?
how do microwave ovens work microwave ovens microwaves electromagnetic waves microwave heating

An Aside on MHD
This article is a short introduction to magnetohydrodynamics, a branch of fluid dynamics with wide applicability.
magnetic fluid dynamics hydro hydrodynamics

Distant supernovae affect Earth
Exploding stars that spew light-speed particles in their death throes had major impact on early life on Earth and still plays a role in its climate, says a Danish report.
cosmic rays climate change global warming cloud formation condensation

Eerie Night Skies
The night sky can sometimes look very eerie. Join me as we explore the strange skies of the aurora.
aurora northern lights aurora borealis aurora australis southern lights

How Astrology Works
This article will attempt to establish the validity of astrological interpretation through scientific explanation.
astrology the zodiac horoscope electromagnetism resonance

Mercury: Old Data Reexamined, Future Mission Planned
An examination of past and future exploration of the first planet in the system.
mercury mariner 10 messenger

Review-Awakening the Healer Within
A review of the recent release, Awakening the Healer Within, by Howard F. Batie.
healer hands pagan spiritual reiki

This Little Light of Mine - How Can I Make it Shine?
A very brief description of what causes light to be emitted.
light electron ion photon quantum

Canada's North Pole
Is it the Geographic North Pole, the North Magnetic Pole or somewhere else that Santa Claus lives? The North Pole's ownership is now in dispute.
canada's north pole canada's geographic north pole canada's north magnetic pole santa claus north pole thomas nast santa claus

Paranormal Investigations
When searching for indisputable proof of the paranormal, it's important to follow certain procedures in collecting the data. The following guideline aims to do just that.
paranormal investigation paranormal investigators ghost hunters checklist ghost hunting supernatural investigating

Planet Formation Remains a Puzzle
a rough sketch of planet formation, and some difficulties in further understanding
planet formation astronomy solar system accretion discs angular momentum

Roaring Aurora and the Solar Flares (a Popular Duo)
The Northern Lights are quite a spectacle. But where do they come from and why all the colors?
northern_lights southern_lights aurora borealis australis

The Compass and the Compass Rose
A brief history of the compass and the compass rose
compass magnetic mariner's rose navigation

Ahead Warp Factor...One-Half?
Among the advanced propulsion systems that are possible in the future, a fusion engine holds some of the best promise--and is one of the most likely to be achieved. All aboard for Jupiter?
fusion space solar exploration nasa

Avengers - The Animated Series
Marvel Comics And Fox TV announce the premiere dates and episode guide for Avengers - the Animated series starting Saturday, Sept. 25, 1999. Spider-Man Unlimited premieres Oct. 2, 1999
marvel comics fox tv avengers

Get a life II
Picking off where we left, that is describing which are life compatible environments at the galactic and planetary system scale, we now focus on the Solar system and the Earth Moon subsystem.
milky way supernova galaxy jupiter saturn

High-Frequency Active Auroral Research Program
Some scientific experiments and projects are more than what they appear. What is the HAARP Research Project north of Anchorage Alaska? And what are plasma physics, and their far-reaching implications for the human race. Explore the world of ionospheric heating in this week's article about a real scientific mystery.

Jupiter: A Few Mysteries Still Surround the Giant Planet
A overview of the Galileo spacecraft's exploration of Jupiter.
jupiter galileo

Magnetism Fun for Kids
More experiments with magnetism!
magnetism magnets magnet science experiment

As NEAR As You Can Get: The First Asteroid Landing
This month a scrappy little spacecraft named NEAR has defied all odds and survived a landing on the Eros asteroid
asteroid eros near probe nasa

Diffusion Tensor Imaging (DTI)
This is a magnetic resonance imaging (MRI) technique that allows one to measure restricted diffusion of water through tissue. .
diffusion tensor imagine (dti) mri magnetic resonance imaging medical imaging


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