A truly random number is something that is surprisingly difficult to generate. A typical approach is to generate the required element of chance from a natural and unpredictable source, such as ...

There will be an app for that: making random numbers on a mobile phone. (Courtesy: Marketa Michalkova) Do you feel nervous when you make a credit-card transaction using your mobile phone? Your worries ...

While security systems based on pseudo-random number generators (PRNGs) have been developed to secure information use, they ...

Fast randomness A diagram of the quantum random number generator on the photonic integrated chip. (Courtesy: Bing Bai and Yao Zheng) Smartphones could soon come equipped with a quantum-powered source ...

What do you do, when you need a random number in your programming? The chances are that you reach for your environment’s function to do the job, usually something like rand() or similar. This returns ...

“This is a marvelous step” toward more efficient random number generation, says Rajarshi Roy, a physicist at the University of Maryland in College Park who was not involved in the work. Random number ...

Developing secure hardware capable of generating truly random numbers is becoming increasingly important as artificial intelligence-generated forgeries and cyber threats grow more sophisticated. Now, ...

Computers have trouble generating truly random numbers - but a new method could help A new method for computer-generating random numbers is being called "remarkable", and could help improve computer ...