What's at the center of a black hole?
What's singularity?
How was the universe created?
Stephen Hawking explains. No time to read his famous book A Brief History of Time? In just two and a half minutes, Alok Jha explains why black holes are doomed to shrink into nothingness then explode with the energy of a million nuclear bombs, and rewinds to the big bang and the origin of the universe...
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