RANDOMNESS IS A valuable commodity. Computer models of complex systems ranging from the weather to the stockmarket are voracious consumers of random numbers. Cryptography, too, relies heavily on ...

Using the inherent quantum flickering of empty space, researchers have figured out how to generate random numbers at an unprecedented rate. The record-breaking method could be used to enhance ...

It’s easy to return random values in Microsoft Excel, but returning random letters might leave you scratching your head. Fortunately, you only need two functions. Excel provides three functions for ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

In this tutorial, you'll learn how to generate scannable barcodes in Excel in two simple steps. You will also learn how to create random barcodes. A barcode is a machine-readable representation of ...

Randomness is incredibly useful. People often draw straws, throw dice or flip coins to make fair choices. Random numbers can enable auditors to make completely unbiased selections. Randomness is also ...

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 ...