Forget about ziplock bags. A cloud of ultracold atoms can store a beam of yellow light for 1.5 seconds. That timescale isn’t impressive for frozen peas, but it’s enough time for light to circle the Earth 10 times under normal conditions, researchers led by Lene Hau of Harvard University report.
Log in
Subscribers, enter your e-mail address for full access to the Science News archives and digital editions.