| 21. | The roof of the Philips pavilion was created by complex hyperbolic paraboloid surfaces stretched between cables.
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| 22. | When one remove a section of the paraboloid, rays coming from that section are lost.
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| 23. | Immiscible liquids rotating around a vertical axis is an upward-opening circular paraboloid . ]]
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| 24. | Separate transmitting and receiving dipoles were at the focus of a 3-meter paraboloid reflector.
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| 25. | These other paraboloids only seem like obstacles due to the self-intersecting nature of the immersion.
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| 26. | It now finds itself on the northern lobe, hidden underneath the third paraboloid of Figure 3.
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| 27. | The hyperbolic paraboloid is a doubly ruled surface : it contains two families of mutually skew lines.
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| 28. | The top surface of a fluid in an open-topped rotating container will form a paraboloid.
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| 29. | Thus, Flamm's paraboloid is useful for visualizing the spatial curvature of the Schwarzschild metric.
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| 30. | The feed is then rotated around the focal point of the paraboloid to produce the conical rotation.
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