Q about magnetic buckyballs and knots

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SUMMARY

This discussion focuses on the manipulation of magnetic buckyballs to create geometric shapes such as Mobius bands and knots. When two lines of buckyballs are aligned oppositely, they can form a Mobius band or a knot by inserting a twist. For a rectangle of buckyballs three layers thick, the same principles apply: all rows must be oriented the same or alternate orientations to achieve the desired shapes. The discussion seeks to clarify the conditions under which these configurations can be achieved.

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  • Understanding of Mobius bands and their properties
  • Familiarity with knot theory basics
  • Knowledge of magnetic properties of buckyballs
  • Basic geometric manipulation skills
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This discussion is beneficial for physicists, mathematicians, educators, and hobbyists interested in the physical manipulation of magnetic toys and their geometric implications.

DeadWolfe
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This about those magnetic toys buckyballs. My apologies, I don't really know any physics, so sorry if my terminology is confusing.

If one lines up two lines of buckyballs they can be lined up with the same orientation, (ie as they are in the cube when you get them) or oppositely (so that each ball in the top row touches two in the bottom row).

One can make this into a Mobius band iff the they are lined up in the opposite orientation. Likewise, it can be made into a knot iff they are oppositely oriented, or one inserts a twist.

If we make a rectangle of buckyballs 3 lines thick, we get the same result iff all three rows are oriented the same, or if they all alerternate orientation, but not if there are two the same next to each other and one different.

In general, for a rectangle of buckyballs n-layers thick, which orientations can one make a mobius band out of? Which knots can one tie?
 
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DeadWolfe said:
This about those magnetic toys buckyballs. My apologies, I don't really know any physics, so sorry if my terminology is confusing.

If one lines up two lines of buckyballs they can be lined up with the same orientation, (ie as they are in the cube when you get them) or oppositely (so that each ball in the top row touches two in the bottom row).

One can make this into a Mobius band iff the they are lined up in the opposite orientation. Likewise, it can be made into a knot iff they are oppositely oriented, or one inserts a twist.

If we make a rectangle of buckyballs 3 lines thick, we get the same result iff all three rows are oriented the same, or if they all alerternate orientation, but not if there are two the same next to each other and one different.

In general, for a rectangle of buckyballs n-layers thick, which orientations can one make a mobius band out of? Which knots can one tie?


If one lines up two lines of buckyballs they can be lined up with the same orientation, (ie as they are in the cube when you get them) or oppositely (so that each ball in the top row touches two in the bottom row).

That is kind of confusing. You are saying the alternative is to have each ball in the top row touch one in the bottom row? It is hard to think of of a good word for this, so I see the problem.
 

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