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  2. Redken - Wikipedia

    en.wikipedia.org/wiki/Redken

    The company was founded in 1960 by Jheri Redding and Paula Kent, thus the name, "Red-ken."Redken pioneered the "Scientific Approach to Beauty," and revolutionized the professional salon business by introducing the concept of protein reconditioning and developing new protein based products, which they patented.

  3. Optically variable magnetic ink - Wikipedia

    en.wikipedia.org/wiki/Optically_Variable_Ink

    Optically variable ink (OVI) also called color shifting ink is an anti-counterfeiting measure used on many major modern banknotes, as well as on other official documents (professional licenses, for example). The ink displays two distinct colors depending on the angle the bill is viewed at.

  4. Programmable magnet - Wikipedia

    en.wikipedia.org/wiki/Programmable_magnet

    For the small size applications, correlated magnets can be used in positioning devices, consumer electronics, magnetic couplings, and vehicle attachment. [4] Potential applications include attach and release work-holding mechanisms, magnetic separators, fluid seals and valves, motor and motion control, factory automation, prosthetics, security devices, and power generation.

  5. I tried those Pair Eyewear glasses with the magnetic ... - AOL

    www.aol.com/lifestyle/tried-those-pair-eyewear...

    Actually, this is the "confetti top," one of dozens of magnetic clip-ons you can add to any Pair Eyewear glasses. (Photo: Pair) If you've been on social media (especially TikTok) ...

  6. Hall effect sensor - Wikipedia

    en.wikipedia.org/wiki/Hall_effect_sensor

    Hall effect magnetometers (also called tesla meters or gauss meters) use a Hall probe [23] with a Hall element to measure magnetic fields or inspect materials (such as tubing or pipelines) using the principles of magnetic flux leakage. A Hall probe is a device that uses a calibrated Hall effect sensor to directly measure the strength of a ...

  7. Magnetic scalar potential - Wikipedia

    en.wikipedia.org/wiki/Magnetic_scalar_potential

    Magnetic scalar potential, ψ, is a quantity in classical electromagnetism analogous to electric potential. It is used to specify the magnetic H -field in cases when there are no free currents , in a manner analogous to using the electric potential to determine the electric field in electrostatics .