Few physicists think Einstein had the last word on gravitation, and some modern extensions of his work make an extraordinary prediction.

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"We are definitely seeing gravitation toward higher leases, " says Billy Rose, president and co-founder of the Agency, a real-estate firm in Beverly Hills.

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Kepler is famous for discovering the three laws of planetary motion, laws which Isaac Newton later re-derived with his universal theory of gravitation.

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In spite of these misgivings, there is nothing in Einstein's theory of space, time and gravitation to forbid journeying into the past, a possibility that Einstein himself hated.

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After he returned home, King said that he was struck by how Gandhi embodied in his life certain universal principles that are inherent in the moral structure of the universe, and these principles are as inescapable as the law of gravitation.

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