Talk:Magnetic tweezers

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I've removed the "Examples of research groups using magnetic tweezers" section. Magnetic tweezers have become a common enough technique that a complete list would be very long and this is not the place for a directory. Related articles such as Atomic force microscopy and Optical tweezers don't have a similar section. Groups that have made significant contributions can still be identified from the references. Mllyjn (talk) 14:20, 27 September 2012 (UTC)

It seems the expression for the force due to the magnetic field on a small magnet here has an extra 1/2 factor compared to the magnetic moment page: https://en.wikipedia.org/wiki/Magnetic_moment#Force_on_a_moment Skarmenadius (talk) 12:33, 14 January 2016 (UTC)

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This article is or was the subject of a Wiki Education Foundation-supported course assignment. Further details are available on the course page. Student editor(s): Chinny11. Peer reviewers: Cdnbyu, Jih24.

Above undated message substituted from Template:Dashboard.wikiedu.org assignment by PrimeBOT (talk) 12:36, 18 January 2022 (UTC)

Magnetic Field decreases "roughly exponential"?

In the "Magnets" section is says:

"The magnetic field strength decreases roughly exponentially with the distance from the axis linking the two magnets on a typical scale of about the width of the gap between the magnets."

Isn't is 1/R² i.e. inverse square law?

Sure, in approximation one may say the above - but seems to be an unnecessary misleading simplification.

Am I missing something ? Gordonkoehn (talk) 19:08, 8 February 2023 (UTC)