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The superposition calculus is a calculus for reasoning in equational first-order logic. It has been developed in the early 1990s and combines concepts from first-order resolution with ordering-based equality handling as developed in the context of (unfailing) Knuth-Bendix completion.
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- Record-long Electron Coherence Measured
Quantum computers, with their ability to use particles in superposition, are likely going to revolutionize computing when they are perfected in the future. Researchers at Princeton University, Engineering School have successfully kept some 100 billion electrons in a superposition for 10 seconds; 100 times longer than the previous record. The key to this measurement was the use of an ultrapure ... - Quantum computer with separate CPU and memory represents significant breakthrough
John Martinis’ research group at the University of California at Santa Barbara has created the first quantum computer with the quantum equivalent of conventional Von Neumann architecture. This general-purpose programmable quantum computer is realized using superconducting circuits and offers greater potential for large-scale quantum computing than the one-problem devices that have been ... - Blind Quantum Computer for Cloud Security
Two coming forces in the computing world are cloud computing and quantum computing. Cloud computing, for those few of you who do not know already, uses a network or Internet connection to have some process done not on a local machine or terminal, but by a different more powerful computer or server. Assuming there is a stable connection, this could allow an underpowered netbook to "play" a game ... - Transparent iron? For the first time, an experiment shows that atomic nuclei can become transparent
At the high-brilliance synchrotron light source PETRA III, a team of DESY scientists headed by Dr. Ralf Röhlsberger has succeeded in making atomic nuclei transparent with the help of X-ray light. At the same time they have also discovered a new way to realize an optically controlled light switch that can be used to manipulate light with light, an important ingredient for efficient future quantum ... - Rydberg atom simulates Trojan asteroids
Jupiter's companions recreated on an atomic scale - 3-tier chips to drive more powerful computing
London, Jan 25 (IANS) Scientists are developing a chip with three or more processors stacked vertically to ensure an unprecedented speed, memory and calculating power, better functionality and wireless connectivity, reveals a study. - Don't Be Dissin' the Bohr Model!
One of the standout anecdotes in Carl Zimmer’s most excellent compilation, Science Ink (a.k.a. My Favorite Science Book of 2011 And Possibly Ever) occurs in the first few pages: “A former student [physics major] got a tattoo of a cartoon atom on the back of one of his legs. He told me that the first day after he got it, he went to rugby practice, and was showing it to someone when one of the ... - Study supports role of quantum effects in photosynthesis
(PhysOrg.com) -- Until a few years ago, photosynthesis seemed to be a straightforward and well-understood process in which plants and other organisms use sunlight to convert carbon dioxide and water into sugars, with oxygen as a waste product. But recent research showing that the light energy entering these organisms’ light-absorbing chromophore molecules may exist in two places at once – as a ... - Critical Pronunciation Poll [Uncertain Principles]
I'm using Dava Sobel's Longitude this week in my timekeeping class. The villain of the piece, as it were, is the Reverend Dr. Nevil Maskelyne , who promoted an astronomical method for finding longitude, and played a major role in delaying the payment to John Harrison for his marine chronometers. It's a good story, with lots of science and engineering and politicking. There's one critical flaw ... - Based on misconceptions
A matter of faith — Jan. 17
Related on Wikipedia
- Superposition - Wikipedia, the free encyclopedia
Superposition can refer to: The superposition principle in physics, mathematics, and engineering, describes the overlapping of waves. Particular applications include: - Superposition principle - Wikipedia, the free encyclopedia
In physics and systems theory, the superposition principle, also known as superposition property, states that, for all linear systems, the net response at a given place and ... - Quantum superposition - Wikipedia, the free encyclopedia
Quantum superposition is a fundamental principle of quantum mechanics. It holds that a physical system (say, an electron) exists in all its particular, theoretically possible ... - Superposition theorem - Wikipedia, the free encyclopedia
The superposition theorem for electrical circuits states that for a linear system the response (Voltage or Current) in any branch of a bilateral linear circuit having more than ... - Law of superposition - Wikipedia, the free encyclopedia
The law of superposition (or the principle of superposition) is a key axiom based on observations of natural history that is a foundational principle of sedimentary ... - Principle of original horizontality - Wikipedia, the free encyclopedia
The Principle of Original Horizontality was proposed by the Danish geological pioneer Nicholas Steno (1638–1686). This principle states that layers of sediment are originally ... - Interference - Wikipedia, the free encyclopedia
Sciences. Interference (wave propagation), in physics, the superposition of two or more waves resulting in a new wave pattern Thin-film interference - Quantum state - Wikipedia, the free encyclopedia
In physics, a quantum state is a set of mathematical variables that fully describes a quantum system. For example, the set of 4 numbers; defines the state of an electron within ... - Structural analysis - Wikipedia, the free encyclopedia
Structural analysis is the determination of the effects of loads on physical structures and their components. Structures subject to this type of analysis include all that must ... - Nicolas Steno - Wikipedia, the free encyclopedia
Nicolas Steno (1 January 1638 – 25 November 1686 NS: 11 January 1638 – 5 December 1686]) was a Danish Catholic bishop and scientist and a pioneer in both anatomy and geology.