Perfect Worlds
Project Elysium is a virtual reality project to bring people back from the dead
Virtual reality won't bring the dead back to life, but it can be a way to remember.
NASA Is Testing a Manned Vehicle That Will Explore the Martian Moon Phobos
It's impossible to drive on Phobos, and it's not going to hover—so what's this excursion vehicle going to look like?
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The Universe Is A Game: Here’s How to Play
Reality only gives us one playthrough on a game with no save file.
How Real Is Reality? It's Rather Hard to Tell
The very fact that the world is so difficult to replicate is part of the reason we intuit that the real world is actually real.
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The Perfect World Is the One Without Us
The only way to “win” at world building is through abandonment.
Welcome to Nick Bostrom's Paper-Clip Factory Dystopia
The AI doomsayer and philosopher sees risk in the most benign machine learning tasks.
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