A sphere is round - like a tennis ball. A torus is ring-shaped - like a donut !
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∙ 2013-05-30 08:16:21Sphere is whole a hemisphere is not
A hemisphere is half a sphere
A sphere or torus (a donut).
A blob, an ellipsoid, a torus (doughnut), a sphere
Sphere, torus, moebius strip
Sphere is whole a hemisphere is not
A hemisphere is half a sphere
A sphere or torus (a donut).
An ellipsoid, a sphere, a torus to name a few.
A sphere is a whole, and a hemisphere is a part or half.
A sphere has 0 vortex and a cylinder has 2 faces
A sphere, an ellipsoid, a torus (donut), an irregular blob with no pointy bit.
A sphere, ellipsoid, torus (doughnut), and many more besides.
Sphere, torus, moebius strip
A blob, an ellipsoid, a torus (doughnut), a sphere
A sphere, a cone, a section of a sphere or ellipsoid, a torus (doughnut) sliced by a plane perpendicular to its axis, a paraboloid. These are some examples.
They are very different, as a square sphere is impossible. The difference is that a square pyramid exists, whereas there's no such thing as a square sphere.