Click on image (or its caption) to get object you can manipulate.
Below are some examples of knots
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| A trefoil knot | A tube about a figure 8 knot | 15 crossing knot---in a (locally) minimal energy configuration. |
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| Here are two trefoils, a right hand and left hand |
Below are some examples of Moebius bands (and knots)
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| A Moebius band with boundry shown as green tube |
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| A Moebius band (left) and boundary (right)shown separately |
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| Moebius bands with twists in opposite directions hand |
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| Moebius band with three half twists. Note that the boundary is a knot. |
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| Two such Moebius bands---the boundaries are the two trefoil knots |
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| Two Moebius bands with five half twists |