Several years ago one of us, Toni, asked another of us, Marco, to come to his office at the Institute of Photonic Sciences, a large research center in Castelldefels near Barcelona. “There is a problem ...

Random numbers are critical to encryption algorithms, but they're nigh-on impossible for computers to generate. Now, Swedish researchers say they've created a new, super-secure quantum random number ...

First, by incorporating crucial components such as tunnel junctions, amplifiers, Analog-to-Digital Converters (ADC), and Digital Signal Processing (DSP) units into a microchip through the use of a ...