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One of the most important predictions of Einstein's theory of General Relativity is the existence of black holes.
The rotating black hole has been described as one of nature's most perfect objects.
Word of the Day
- Sleep; the state or condition of being asleep.
- The state or condition of numbness of a part due to pressure on a nerve: as, the obdormition of a limb.
The word 'obdormition' comes from a Latin word meaning "to fall asleep".