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I came here to say that. I'm no expert in optics, much less quantum optics, but they seem to have created some kind of fancy material with unusual optical prope

I came here to say that. I'm no expert in optics, much less quantum optics, but they seem to have created some kind of fancy material with unusual optical properties. I'm very disappointed that MIT News themselves are so misleading. If I couldn't pirate the paper, I'd be left with the impression that they said they broke some kind of fundamental physics rule. They should leave heavy editorialization and sensationalisation for the news websites further down the chain.

ridgeguy 9y ago
Agreed. This seems like just another instance of "slow light", which has been a thing since 1998 [1]. Speed of light in tailored materials has been as low as zero. As in, stopped. And then restarted on command. [1] https://en.wikipedia.org/wiki/Slow_light https://en.wikipedia.org/wiki/Slow_light