A mathematical analysis suggests that the notion of agency, which is a prerequisite for consciousness, cannot be purely quantum in nature
Category: quantum physics – Page 2
The World in 2050: 10 Future Technologies That Will Change Everything | AI Documentary 4K
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Artificial Intelligence, humanoid robots, flying cars, Moon colonies, quantum computing, fusion energy, and space exploration are transforming our future.
In this cinematic documentary, discover the 10 future technologies that could change everything.
â±ïž CHAPTERS
AI unlocks QLED recipe that doubles efficiency and boosts lifetime 40-fold
A technology has been developed that allows artificial intelligence to inversely determine the process conditions for quantum-dot light-emitting diode (QLED) devicesâconditions that previously required extensive trial and error to identify.
When applied to actual devices, the technology roughly doubled efficiency and extended operational lifetime more than 40-fold, raising expectations that it could accelerate the development of next-generation displays.
Seoul National Universityâs College of Engineering announced that a joint research team led by Professor Jeonghun Kwak of the Department of Electrical and Computer Engineering and Professor Jaehoon Lim of Sungkyunkwan Universityâs Department of Energy Science has developed an AI-based platform that inversely designs the optimal solvent properties for arranging quantum dots uniformly and densely during the fabrication of QLEDs.
Thinner wires, faster electrons: Quantum material challenges copper at chip scale
Electrical interconnects may very well be the unsung heroes of modern microchips. These tiny wiresâtypically made of copper due to its high conductivityâstring together the billions of transistors that drive our computers and electronic devices. But as the technology advances and additional transistors are piled on, the components must shrink to the nanoscale. And thatâs when copper begins to fail.
Cornell researchers have developed a potential replacement for copper interconnects: single-crystal nanowires of niobium arsenide. This topological semimetal paradoxically becomes a better conductor the thinner it gets, boosting electronic performance.
The findings were published July 16 in Science. The lead author is doctoral student Yeryun Cheon. Judy Cha, the Rick and Betty Tsai Ph.D. 1981 Professor in Materials Science and Engineering in the Cornell Duffield College of Engineering, is the paperâs senior author.
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What does it mean to be âquantumâ? A physicist explains the basics behind Einsteinâs spooky actions at a distance
Particlesâ properties at the quantum level could one day enable faster computing and better cybersecurity.
Listening to âringingâ black holes unlocks future gravitational-wave astronomy
Listening to the âringingâ produced by black holes after they collide and merge could allow scientists to test Einsteinâs theory of general relativity under the most extreme conditions in the universe while unlocking the secrets of these mysterious objects.
Leading a major international review with the Institute of Physics, astrophysicists at the University of Birmingham, Johns Hopkins University and Instituto Superior TĂ©cnico of Lisbon show how black hole âspectroscopyâ is rapidly evolving from a theoretical concept into a powerful experimental science. The work is published in the journal Classical and Quantum Gravity.
During the âringdownâ phase following a collision and merger, a newly formed black hole emits characteristic gravitational-wave vibrations known as âquasinormal modes.â By measuring these frequencies, scientists can determine the black holeâs mass and how fast it is spinning, as well as investigate whether Einsteinâs theory is correct.
Quantum teleportation could reduce photon loss in long-distance communications
Quantum technologies, which leverage the principles of quantum mechanics, have been found to outperform their classical counterparts on specific tasks. Among other things, past studies have highlighted the potential of quantum systems that can enable long-distance communication, using photons (i.e., particles of light) to carry quantum information.
Despite their promise, quantum communication systems are often prone to photon loss, the scattering, absorption or disappearance of traveling photons. This photon loss becomes increasingly pronounced as transmission distances increase.
One proposed approach for reducing photon loss relies on a process known as quantum teleportation. This process entails the transfer of a quantum state from one particle to another without moving the particle to a different location, via a phenomenon known as quantum entanglement.