Mathematically, symmetry is a form of ' invariance ': Even when subjected to certain operations or transformations, a symmetrical mathematical object remains unchanged.

The Red Square nebula ranks among the most symmetrical objects ever seen in space. But according to astronomer James Lloyd of Cornell University, its square shape may be an accident of perspective. He ...

On the other hand, for an arbitrary quadrilateral figure (which does not possess any symmetry) we would need to know four lengths and three angles (the fourth completes the sum of the angles to ...

For a perfectly symmetrical object (such as a ball), the center of mass is directly in the middle. For an irregularly shaped object (such as a chair), the location of the center depends on how the ...

But there's more to it than meets the eye. Here, Oxford mathematician Marcus du Sautoy offers a glimpse of the invisible numbers that marry all symmetrical objects. Talk recorded 24 July 2009.

The word hexastix refers to a highly symmetrical object that contains three mutually intersecting hexagonal prisms. Building a hexastix is a little engineering exercise that produces a beautiful ...

Abstracts Veso Jungic Simon Fraser University, Burnaby, BC Making Hexastix with Math Catchers The word hexastix refers to a highly symmetrical object that contains three mutually intersecting ...