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  2. China builds the world’s most powerful magnet - AOL

    www.aol.com/china-builds-world-most-powerful...

    Scientists in China have built the world’s most powerful magnet, capable of producing a magnetic field 800,000 stronger than Earth’s.. After four years of development, a team from the Chinese ...

  3. Rare-earth magnet - Wikipedia

    en.wikipedia.org/wiki/Rare-earth_magnet

    Ferrofluid on glass, with a rare-earth magnet underneath. A rare-earth magnet is a strong permanent magnet made from alloys of rare-earth elements.Developed in the 1970s and 1980s, rare-earth magnets are the strongest type of permanent magnets made, producing significantly stronger magnetic fields than other types such as ferrite or alnico magnets.

  4. Samarium–cobalt magnet - Wikipedia

    en.wikipedia.org/wiki/Samarium–cobalt_magnet

    A samarium–cobalt (SmCo) magnet, a type of rare-earth magnet, is a strong permanent magnet made of two basic elements: samarium and cobalt.. They were developed in the early 1960s based on work done by Karl Strnat at Wright-Patterson Air Force Base and Alden Ray at the University of Dayton.

  5. Neodymium magnet - Wikipedia

    en.wikipedia.org/wiki/Neodymium_magnet

    Neodymium magnets have replaced alnico and ferrite magnets in many of the myriad applications in modern technology where strong permanent magnets are required, because their greater strength allows the use of smaller, lighter magnets for a given application. Some examples are:

  6. Best Stock to Buy Now: Amazon vs. Home Depot - AOL

    www.aol.com/best-stock-buy-now-amazon-104500039.html

    The case for Home Depot . Home Depot is the leader in DIY home improvement, with more than $40 billion in sales in the third quarter (ended Oct. 27), compared to rival Lowe's $20 billion in ...

  7. Bitter electromagnet - Wikipedia

    en.wikipedia.org/wiki/Bitter_electromagnet

    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] .