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507023
Caption: Hyperboloids of (left) one sheet and (right) two sheets
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 30.92 MB
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481330
Caption: Representation of an ellipsoid, a closed surface such that its intersection with any plane will produce an ellipse or a circle.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 23.02 MB
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481311
Caption: Part of the elliptic paraboloid z = x2 + y2 which can be generated by rotating the parabola z = x2 (or z = y2) about the z-axis.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 38.70 MB
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481443
Caption: The pseudosphere has constant negative curvature; it tapers to infinity in both directions away from the central disk.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 15.36 MB
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507024
Caption: Loops a and b cannot shrink to a point without breaking the loop or the torus, meaning that the torus is not simply connected
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 29.31 MB