In other words, you want to construct a polyhedral torus with faces that are shapes such as triangles or rectangles. Your peculiar-looking shape will be trickier to construct than one with a smooth ...

Although humans' visual perception of the world appears complete, our eyes contain a visual blind spot where the optic nerve ...

The Earth is warming more rapidly than before, and extreme weather events are becoming more frequent and more intense. While global warming is mainly driven by carbon dioxide emissions, it is also ...