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Bubble hair is characterized by rows of bubbles seen microscopically within localized areas of the brittle hair. [3] These air-filled spaces occur in the cortex of the hair shaft that correspond to the breakdown of keratin and local air expansion triggered by hot water passing through the shaft. [2] There may be an inherited predisposition. [4]
A hair dryer (the handheld type also referred to as a blow dryer) is an electromechanical device that blows ambient air in hot or warm settings for styling or drying hair. [ 1 ] [ 2 ] Hair dryers enable better control over the shape and style of hair, by accelerating and controlling the formation of temporary hydrogen bonds within each strand.
historical image of hair irons (top) A hair iron or hair tong is a tool used to change the arrangement of the hair using heat. There are three general kinds: curling irons, used to make the hair curl; straightening irons, commonly called straighteners or flat irons, used to straighten the hair; and crimping irons, used to create crimps of the desired size in the hair.
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In electrical engineering, electromagnetic shielding is the practice of reducing or redirecting the electromagnetic field (EMF) in a space with barriers made of conductive or magnetic materials. It is typically applied to enclosures, for isolating electrical devices from their surroundings, and to cables to isolate wires from the environment ...
Hair irons (flat iron) apply heat directly to hair. For shorter hair, a flat iron with heating plates that are around 0.5 to 1 inch wide are used. Wider hair irons are used for longer hair. Blow dryer with a comb attachment or round brush to straighten hair. Too much heat can cause damage to the hair; a low to medium heat level protects it and ...
Many electromagnetic coils have a magnetic core, a piece of ferromagnetic material like iron in the center to increase the magnetic field. [11] The current through the coil magnetizes the iron, and the field of the magnetized material adds to the field produced by the wire. This is called a ferromagnetic-core or iron-core coil. [12]
An EMF meter is a scientific instrument for measuring electromagnetic fields (abbreviated as EMF). Most meters measure the electromagnetic radiation flux density (DC fields) or the change in an electromagnetic field over time (AC fields), essentially the same as a radio antenna, but with quite different detection characteristics.