Quantum Computers Will Make Your Laptop Look Like an Abacus

The race to make the first quantum computer is becoming as important as the race 75 years ago to get the first nuke. It could change the balance of power in politics and business. Quantum computers have long been theoretically possible but a kind of futuristic fantasy, like Interstellar-style wormhole travel, or zero-calorie Hershey Bars. I first wrote in the 1990s about the quest for one. Now breakthroughs are coming faster, and scientists say we’re 15 to 20 years away from fully functional...

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