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4 issues the Lakers must fix to become a serious contender after All-Star break

Here are the key fixes the Los Angeles Lakers must make after the All-Star break to become a real contender once again this season.
Scientific American

Mathematicians discover new ways to make round shapes

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 ...