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From ACM Opinion

Stephen King's Rules For Time Travel

If you're going to travel back in time, author Stephen King says, preparation is everything. The further back you go, the more you have to think about.

Why the Basis of the ­niverse Isn't Matter or Energy
From ACM Opinion

Why the Basis of the ­niverse Isn't Matter or Energy

Information flows everywhere, through wires and genes, through brain cells and quarks. But while it may appear ubiquitous to us now, until recently we had no...
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