I understand a Klein bottle is somewhat of a 3D version of a mobius strip in that it has only one continuous surface. But what do mathematicians do with it? How is it expressed mathematically, how does it classify among other shapes? Does it have some kind of applications?//<![CDATA[ aax_getad_mpb({ "slot_uuid":"f485bc30-20f5-4c34-b261-5f2d6f6142cb" }); //]]>

**Physics Forums - The Fusion of Science and Community**

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Klein bottle

**Physics Forums - The Fusion of Science and Community**