As the 727 crested and descended each parabola, it created a microgravity environment that lasted about 30 seconds.

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When rotating, the forces of nature keep the thin layer of liquid mercury in the shape of a parabola.

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The couple removed and replaced the home's parabola-shaped roof, stripped away dozens of layers of paint, ripped out a prior owner's black Formica bathroom, reverted the master bedroom to Mr. Lautner's original floor plan and redid a guest bedroom.

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