Author(s): Ephanielle Verbanis, Anthony Martin, Raphaël Houlmann, Gianluca Boso, Félix Bussières, and Hugo Zbinden
Researchers have securely contained a single bit for a record 24 hours, during which it was inaccessible to both sender and recipient, a technology that could be useful for voting or bidding.
[Phys. Rev. Lett. 117, 140506] Published Fri Sep 30, 2016