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THERE are two questions that I considerably dread when speaking science to the public. And, sadly, they’re somewhat widespread, as a result of they’re attention-grabbing to everybody, myself included.
The first is: “What was there before the beginning of the universe?” The second: “What is space-time?” You would possibly suppose that I would truly relish the alternative to reply such queries as a result of they go to the coronary heart of what theoretical cosmologists like me do. It is actually in the job description, which I typically inform individuals is to attempt to perceive the origin and evolution of space-time and the whole lot within it. …