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A Bitter electromagnet or Bitter solenoid is a type of electromagnet invented in 1933 by American physicist Francis Bitter used in scientific research to create extremely strong magnetic fields. Bitter electromagnets have been used to achieve the strongest continuous manmade magnetic fields on earth―up to 45 teslas , as of 2011 [update] .
Since Lady Gaga's "Bad Romance" in 2009, every video that has reached the top of the "most-viewed YouTube videos" list has been a music video. In November 2005, a Nike advertisement featuring Brazilian football player Ronaldinho became the first video to reach 1,000,000 views. [ 1 ]
An electromagnet is a type of magnet in which the magnetic field is produced by an electric current. Electromagnets usually consist of wire (likely copper) wound into a coil. A current through the wire creates a magnetic field which is concentrated along the center of the coil. The magnetic field disappears when the current is turned off.
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E. Earth–ionosphere waveguide; Elastance; Electric field; Electric-field integral equation; Electricity and Magnetism (book) Electromagnet; Electromagnetic brake
Posing in a wet white t-shirt that read 'NO BRA CLUB,' the "X-Men" star received a slew of praises from her famous friends. "Leveled up, Circa '66," Berry captioned the photo.
A notable advance in the art of dynamo construction was made by Samuel Alfred Varley in 1866 [113] and by Siemens and Charles Wheatstone, [114] who independently discovered that when a coil of wire, or armature, of the dynamo machine is rotated between the poles (or in the "field") of an electromagnet, a weak current is set up in the coil due ...
The latter of the two cannibalized the Walmart-owned warehouse store to create one of the largest retail stores in the U.S., employing about 360 associates, according to Walmart.