Q&A: Other countries put lives before guns. Why can't we?

As police fanned out Thursday in pursuit of the gunman who killed 18 people in Lewiston, Maine—the deadliest U.S. mass shooting of the year—the nation once again confronted its epidemic of firearms violence. Every year ...

Self-correcting quantum computers within reach?

Quantum computers promise to reach speeds and efficiencies impossible for even the fastest supercomputers of today. Yet the technology hasn't seen much scale-up and commercialization largely due to its inability to self-correct. ...

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