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A magnetic switchable device (often called a magnetic base) is a magnetic fixture that uses one or more permanent magnets in a configuration that allows the external field to be turned on or off. They are used in many applications including optics , metalworking , lifting , and robotics, to attach items to metal surfaces in a secure but ...
A "horseshoe magnet" made of Alnico 5, about 1 inch high.The metal bar (bottom) is a keeper. A magnet keeper, also known historically as an armature, is a bar made from magnetically soft iron or steel, which is placed across the poles of a permanent magnet to help preserve the strength of the magnet by completing the magnetic circuit; it is important for magnets that have low magnetic ...
Magnetic levitation can be stabilised using different techniques; here rotation (spin) is used. Magnetic levitation (maglev) or magnetic suspension is a method by which an object is suspended with no support other than magnetic fields. Magnetic force is used to counteract the effects of the gravitational force and any other forces. [2]
A collection of refrigerator magnets A refrigerator magnet displaying a sexual assault hotline's telephone number. A refrigerator magnet or fridge magnet is a small magnet, often attached to an artistic or whimsical ornament, which may be used to post items such as shopping lists, Christmas cards, child art or reminders on a refrigerator door, or which simply serves as decoration.
The 2012 film Total Recall, features a smart refrigerator that is covered by a touchscreen which enables the user to leave notes and messages. Silicon Valley features a smart fridge that is bought by Jian-Yang, after the old refrigerator broke down in Season 4 episode, "The Patent Troll". The smart refrigerator is able to communicate in ...
Magnetic Poetry is a toy and creative writing aid consisting of individual words—often related to a particular theme or topic—printed on small magnets which can be creatively arranged into poetry on a refrigerator or other metal surface. [1] The informality and spontaneity Magnetic Poetry has endeared it to educators in creative writing. [2]