The range of applications of this unique service, named 'QRBGS', spans fields as diverse as advanced scientific simulations, cryptographic data protection and security applications, as well as virtual entertainment – including online gambling and computer games.
'QRBGS' is an acronym for 'Quantum Random Bit Generator Service'. The service is based on 'Quantum Random Number Generator' – or QRBG for short – which is itself an innovative electronic device developed and built two years ago by RBI’s researchers. Overwhelming majority of other random number generators in use today don’t actually provide the 'true' random numbers, but instead so-called 'pseudo-random' numbers. They use various algorithms to pick the numbers from large pre-compiled databases of numbers obtained by e.g. rolling the dice. Hence, anyone who has access to such a database from which the pseudo-random number is picked, can accurately predict the next number that comes out of such generators. On the other hand, QRBG uses the inherently unpredictable quantum process of photon emission to generate random numbers, and as an output it provides the 'true’ random numbers which are impossible to predict.
The new RBI’s QRBGS service enables real-time internet access to QRGB device through several network access modes, such as C/C++ libraries, web services and Mathematica/Matlab client add-ons. The QRBG device itself is located and operated at the RBI and is connected to the internet through advanced computer technologies such as computer clusters and GRID networks. The use of QRBG service is free of charge for academic and scientific community.
QRBGS is available online at http://random.irb.hr/.
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More and more automobile companies are focusing on body parts made of carbon fiber reinforced plastics (CFRP). However, manufacturing and repair costs must be further reduced in order to make CFRP more economical in use. Together with the Volkswagen AG and five other partners in the project HolQueSt 3D, the Laser Zentrum Hannover e.V. (LZH) has developed laser processes for the automatic trimming, drilling and repair of three-dimensional components.
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Reflecting the structure of composites found in nature and the ancient world, researchers at the University of Illinois at Urbana-Champaign have synthesized thin carbon nanotube (CNT) textiles that exhibit both high electrical conductivity and a level of toughness that is about fifty times higher than copper films, currently used in electronics.
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The nearby, giant radio galaxy M87 hosts a supermassive black hole (BH) and is well-known for its bright jet dominating the spectrum over ten orders of magnitude in frequency. Due to its proximity, jet prominence, and the large black hole mass, M87 is the best laboratory for investigating the formation, acceleration, and collimation of relativistic jets. A research team led by Silke Britzen from the Max Planck Institute for Radio Astronomy in Bonn, Germany, has found strong indication for turbulent processes connecting the accretion disk and the jet of that galaxy providing insights into the longstanding problem of the origin of astrophysical jets.
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The probability to find a certain number of photons inside a laser pulse usually corresponds to a classical distribution of independent events, the so-called...
Microprocessors based on atomically thin materials hold the promise of the evolution of traditional processors as well as new applications in the field of flexible electronics. Now, a TU Wien research team led by Thomas Müller has made a breakthrough in this field as part of an ongoing research project.
Two-dimensional materials, or 2D materials for short, are extremely versatile, although – or often more precisely because – they are made up of just one or a...
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