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magnetic fields

/Tag:magnetic fields

Observe The Magnetic Field of Magnetic Pole

Observe The Magnetic Field of Magnetic Pole Generally speaking, the magnetic field of a strong magnet is invisible and intangible. This phenomenon also increases the mystery of the magnet and stimulates everyone's curiosity. If you want to visualize the abstract magnetic field and identify the magnetic poles, you can use a few simple auxiliary tools. [...]

Neodymium Speaker Magnets Explained

Neodymium Speaker Magnets Explained In this article, you will meet a component that perhaps doesn’t get the exposure that it should – the magnet. While each speaker driver is made up of two magnets – an electromagnet and a natural/permanent magnet – the focus will primarily be on the latter. To reproduce sound through a [...]

Why & How Do Use Magnets in Headphones?

Why & How Do Use Magnets in Headphones? Magnetic materials and magnetic fields are all around us but it may come as a surprise to you that the headphones you’re wearing have magnets, too! Why & How Do Headphones Use Magnets? Headphones act as transducers of energy, converting electrical energy (audio signal) into mechanical wave [...]

Where to Find Neodymium Magnets in Household Items

Where to Find Neodymium Magnets in Household Items Its a common question – where to find neodymium magnets in household items? Neodymium magnets are made of neodymium as their name suggests and are the most widely used type of rare-earth permanent magnet. To put their strength into perspective, they can produce magnetic fields with up [...]

4 Factors Causing Your Magnets to Get Weaker

4 Factors Causing Your Magnets to Get Weaker Get the most value from your investment by avoiding potential magnet-weakening forces. Here's how! Whether you are buying magnets for home, office, hobby, or industrial use, you surely want to protect your new purchase to ensure they last as long as possible and stay as strong as [...]

Permanent Lifting Magnets Poles Number

Permanent Lifting Magnets Poles Number For every selection process of lifting magnets, you must know your loads’ weight, shape, material and contact area to determine the necessary amount and size of magnets. One important question to ask yourself: Are your loads thick? The loads need to be thick enough for the magnetic field of magnet [...]

Useful facts about permanent magnets

Useful facts about permanent magnets The proportioning of permanent magnets, that is the ratio of the magnet pole areas to the magnet thickness (L/D-ratio) of any magnet material, is subject to the laws of physics. The maximum operating temperature also depends on the L/D-ratio. A thin NeoDelta magnet disc of 15 ø x 2 mm [...]

Magnetic Monopoles: Their Construction and Use

Magnetic Monopoles: Their Construction and Use Magnetic monopoles, objects bearing a magnetic charge without an corresponding opposite charge, has been postulated by established science, but so far never observed. In this short paper I will demonstrate how to build macroscopic monopoles, and how they can be employed for various purposes. Some applications to ether storage [...]

Magnetic Alloys

Magnetic alloys are alloys engineered to have special magnetic properties. Permalloy Permalloy is the term for a nickel iron magnetic alloy. Generically, it refers to an alloy with about 20% iron and 80% nickel content. Permalloy has a high magnetic permeability, low coercivity, near zero magnetostriction, and significant anisotropic magnetoresistance. The low magnetostriction is critical [...]

Customizablem Printable Programmable Smart Magnets

Customizablem Printable Programmable Smart Magnets Programmable magnets , Smart magnets are here, and their potential could be huge. The company Correlated Magnetics uses advanced printing technology to create what they call Polymagnets, which have custom magnetic fields. The magnets can have multiple north and south poles on a single side, enabling engineers to develop faces [...]

Magnetic Anisotropy

Magnetic Anisotropy is the capacity of a magnet to maximize its magnetic orientation in the direction of its poles, and it is similar to general anisotropy of other material characteristics. Strong permanent magnets – especially sintered Neodymium magnets- have had their magnetic domains oriented in the direction of the easy axis to maximize their strength. [...]

Facts About Magnets

Facts About Magnets Magnets are objects that produce magnetic fields. Facts About Magnets There are only a few materials on earth that produce their own magnetic fields. However, there are some materials such as iron, that can be manipulated to produce their own magnetic fields. Uses Magnetic materials have several applications. VHS tapes and audio [...]

5 Reasons Magnetic Phone Mount is Safe for Smartphone

5 Reasons Magnetic Phone Mount is Safe for Smartphone Purchasing a new car mount, you want to know everything about it, especially if it is the type of a car mount that has appeared not so long ago. Forums are loaded with threads asking whether magnetic car mounts would damage their phones indicating the rising [...]

N35-N52 Permanent Strong Neodymium Round Magnets

N35-N52 Permanent Strong Neodymium Round Magnets Among those famous round magnets manufacturers, it is a professional supplier in China, welcome to wholesale small round magnets, neodymium disc magnets, magnet disc, strong round magnets from our factory. Neodymium round magnet / Disc Magnet Disc magnets are thin flat round magnets where the thickness does not exceed [...]

Magnet Therapy Book

Magnet Therapy Book - Your complete book to magnetic therapy and our product range by Gloria Vergari one of the leading UK magnotherapy experts. Contains the following content: Magnet Therapy Book ✓ Preface ✓ Introduction ✓ Value of magnetic fields & energy ✓ History on magnet therapy ✓ Modern or therapeutic magnets ✓ [...]

Permanent Magnet Stabilizing and Calibrating

Permanent Magnet Stabilizing and Calibrating Permanent magnets are utilized in a wide range of commercial and industrial applications, many of which require these magnets to function in a highly stable and consistent manner. Variables such as temperature, and demagnetizing fields will impact performance, but these effects can be mitigated through stabilization or calibration. Our new [...]

Magnetic Putty Magic – The magnetic modeling clay

Magnetic Putty Magic – The magnetic modeling clay “Magnetic Putty Magic“, a strange and fascinating video using the Magnetic Putty, a magnetic modeling clay. This gadget with amazing properties, and a texture between clay and slime, is sensitive to magnetic fields, resulting with some very bizarre behavior in front of magnets… A video directed by [...]

What Are Non-Metallic Magnets?

What Are Non-Metallic Magnets? Non-Metallic Magnets - Scientists have suspected that graphene(a thin, single layer of pure carbon atoms) packed together in a hexagonal lattice structure and thought to be the future of aviation, isthe solution to creating a magnetic material able to hold onto its magnetism up to room temperature. Graphene is already well-known [...]

How does a tool magnetizer and demagnetizer work?

How does a tool magnetizer and demagnetizer work? These things (pictured below). I get how the magnetizer works: a permanent magnet magnetises the tool bit, but how is the magnetic fields arranged in the demagnetizer in order to demagnetize tools? These things are unpowered completely passive blocks, presumaly containing a magnet and some iron/steel parts. [...]

Tiny magnetic sensor deemed attractive

Tiny magnetic sensor deemed attractive, Ultra-sensitive magnetic sensor technology magnetic fields, Sensor Magnet Tiny magnetic sensor deemed attractive - Ultra-sensitive magnetic sensor technology pioneered at PML may soon be commercialized for a host of applications from detection of unexploded bombs and underground pipes to geophysical surveying and perhaps even imaging of the brain and heart. In late October [...]

Optical magnetic field sensor can detect signals from the nervous system

Optical magnetic field sensor can detect signals from the nervous system, tiny magnetic fields, Small magnetic fields sensors, Ultra sensitive magnetic field sensor, sensitive magnetic field sensor The human body is controlled by electrical impulses in, for example, the brain, the heart and nervous system. These electrical signals create tiny magnetic fields, which doctors could use to diagnose various [...]

New microscope technique offers a better way to measure magnetic field of individual atoms

New microscope technique offers a better way to measure magnetic field of individual atoms, IBM magnetic fields A team of researchers at IBM has developed a new way to measure the magnetic field of individual atoms that offers 1000 times the energy resolution of conventional techniques. In their paper published in the journal Nature Nanotechnology, the [...]

Do permanent magnets have a half-life or otherwise “decay” over time?

Do permanent magnets have a half-life or otherwise “decay” over time? from reddit Physics It seems like there must be some energetic cost to constantly exerting a force on the surroundings. As particles & objects resist that force, it must exert some backward torque or whatever on the aligned atoms of the magnet. Over time, [...]

Why buy the New & Improved “Hydro-Soft” magnetic water treatment system?

Hydro-Soft magnetic water treatment system is made with a Epoxy+Nickel+Copper+Nickel quadruple-layer coating, the most effective coating against corrosion. Epoxy+Nickel+Copper+Nickel quadruple-layer coating will last much longer than Nickel coating over time. Nickel coating will corrode over time and cause loss of magnet force. We are the only manufacturer that makes a magnetic water treatment system using [...]

Ferromagnetism

Ferromagnetism, magnetic domains Looking back to the beginning of our thought experiment, magnetic fields may only be produced by a current. Taking the definition of current as a flow of electrons, electrons orbiting an atom should create a current and thus a magnetic field! If every atom has electrons is everything magnetic? YES! All matter, including [...]

September 30th, 2016|Magnetic Field, Magnetic Kownledge, Magnetism|