3 ms·

Here's a link to the actual article in Science http://science.sciencemag.org/content/358/6366/1078 http://science.sciencemag.org/content/358/6366/1078

• rubidium 9y ago
  And here's the arxiv version (no paywall): https://arxiv.org/abs/1705.03421 https://arxiv.org/abs/1705.03421