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View a machine-translated version of the Spanish article. Machine translation, like DeepL or Google Translate, is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia.
Today few problems in electromagnetism remain unsolved. These include: the lack of magnetic monopoles, Abraham–Minkowski controversy, the location in space of the electromagnetic field energy, [28] and the mechanism by which some organisms can sense electric and magnetic fields.
An electromagnet is a type of magnet in which the magnetic field is produced by an electric current. Electromagnets usually consist of wire wound into a coil. A current through the wire creates a magnetic field which is concentrated in the hole in the center of the coil. The magnetic field disappears when the current is turned off.
Drawings of patent US687292, showing a first-order motor with electromagnets on one of the gears. A magnetic gear resembles the traditional mechanical gear in geometry and function, using magnets instead of teeth. As two opposing magnets approach each other, they repel; when placed on two rings the magnets will act like teeth.
The extremely huge electromagnets used in these machines are key to tokamaks’ designs (ITER received the most powerful magnet ever made in 2021), and they're under development all the time. But ...
Particle accelerators such as the Large Hadron Collider can include many high field electromagnets requiring large quantities of LTS. To construct the LHC magnets required more than 28 percent of the world's niobium-titanium wire production for five years, with large quantities of NbTi also used in the magnets for the LHC's huge experiment detectors.
Laura Prepon and Ben Foster are going their separate ways after five years of marriage.. According to paperwork obtained by PEOPLE, Foster, 44, filed for divorce from the That ’70s Show star ...
Jay-Z made rare comments about his wife Beyoncé and their three children after being accused in a civil lawsuit of raping a 13-year-old girl along with Sean "Diddy" Combs in 2000.. On Sunday, Dec ...