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2. Halbach array - Wikipedia

   en.wikipedia.org/wiki/Halbach_array

   A Halbach array ( German: [ˈhalbax]) is a special arrangement of permanent magnets that augments the magnetic field on one side of the array while cancelling the field to near zero on the other side. [1] [2] This is achieved by having a spatially rotating pattern of magnetisation. The rotating pattern of permanent magnets (on the front face ...

3. Google Drive - Wikipedia

   en.wikipedia.org/wiki/Google_Drive

   Google Drive is a file storage and synchronization service developed by Google. Launched on April 24, 2012, Google Drive allows users to store files in the cloud (on Google's servers), synchronize files across devices, and share files. In addition to a web interface, Google Drive offers apps with offline capabilities for Windows and macOS ...

4. Neodymium magnet - Wikipedia

   en.wikipedia.org/wiki/Neodymium_magnet

   The neodymium atom can have a large magnetic dipole moment because it has 4 unpaired electrons in its electron structure [14] as opposed to (on average) 3 in iron. In a magnet it is the unpaired electrons, aligned so that their spin is in the same direction, which generate the magnetic field. This gives the Nd 2 Fe 14 B compound a high ...

5. Magnetic 2D materials - Wikipedia

   en.wikipedia.org/wiki/Magnetic_2D_materials

   Magnetic van der Waals materials is a new addition to the growing list of 2d materials. The special feature of these new materials is that they exhibit a magnetic ground state, either antiferromagnetic or ferromagnetic, when they are thinned down to very few sheets or even one layer of materials.

6. Sheet music - Wikipedia

   en.wikipedia.org/wiki/Sheet_music

   Tibetan musical score from the 19th century. Sheet music is a handwritten or printed form of musical notation that uses musical symbols to indicate the pitches, rhythms, or chords of a song or instrumental musical piece. Like its analogs – printed books or pamphlets in English, Arabic, or other languages – the medium of sheet music ...

7. Refrigerator magnet - Wikipedia

   en.wikipedia.org/wiki/Refrigerator_magnet

   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. [1] [2] [3] Refrigerator magnets come in a wide variety of shapes and sizes ...