Related topics: security

Secure printing with water-based invisible ink

Researchers in China have developed a rewriteable paper coating that can encrypt secret information with relatively low-tech invisible ink—water. A message printed out by a water-jet printer on a manganese-complex-coated ...

Networking goes quantum

A scientist involved in expanding quantum communication to a network of users, is continuing his work at the University of Bristol.

page 1 from 34