The randomness in quantum physics is imperfect and needs amplification to be considered truly random, the researchers say.

Researchers at ETH Zurich have developed a method to generate what they describe as ...

Random number generation is a key part of cybersecurity and encryption, and it is applied to many apps used in everyday life, both for business and leisure. These numbers help create unique keys, ...

Creating perfect randomness is surprisingly difficult. Even modern random number generators never generate completely ideal ...

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 ...

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 ...

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 ...

Researchers have built the fastest random-number generator ever made, using a simple laser. It exploits fluctuations in the intensity of light to generate randomness—a coveted resource in applications ...

Generating random numbers might seem like a trivial task, that is until the numbers need to be truly random for cryptography or security reasons. When that’s the case, it turns out that these numbers ...