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[[File:lighterstill.jpg]][[Image:Michael_ll.jpg|right|frame]]

[[File:lighterstill.jpg]][[File:Tesla_The_Hyperdimensional_Oscillator_-_Version_2.jpg|right|frame]]

The '''center''' of an object (in [[Geometry]]) is a point in some sense in the middle of the object. If geometry is regarded as the [[study]] of [http://en.wikipedia.org/wiki/Isometry_group isometry groups] then the centre is a fixed point of the isometries.

The '''center''' of an object (in [[Geometry]]) is a point in some sense in the middle of the object. If geometry is regarded as the [[study]] of [http://en.wikipedia.org/wiki/Isometry_group isometry groups] then the centre is a fixed point of the isometries.