QRNG API now hosted on AWS

This website offers true random numbers to anyone on the internet. The random numbers are generated in real-time in our lab by measuring the quantum fluctuations of the vacuum. The vacuum is described very differently in the quantum physics and classical physics. In classical physics, a vacuum is considered as a space that is empty of matter or photons. Quantum physics however says that that same space resembles a sea of virtual particles appearing and disappearing all the time. This is because the vacuum still possesses a zero-point energy. Consequently, the electromagnetic field of the vacuum exhibits random fluctuations in phase and amplitude at all frequencies. By carefully measuring these fluctuations, we are able to generate ultra-high bandwidth random numbers.

This website allows everybody to see, listen or download our quantum random numbers, assess in real time the quality of the numbers generated and learn more about the physics behind it. The technical details on how the random numbers are generated can be found in Appl. Phys. Lett. 98, 231103 (2011) and Phys. Rev. Applied 3, 054004 (2015).

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Canberra, Australia